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Source: https://mullerenergy.com.au/feed/

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11. <title>Muller Energy</title>
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31. <title>What’s Inside a Daly BMS?</title>
32. <link>https://mullerenergy.com.au/whats-inside-a-daly-bms/?utm_source=rss&#038;utm_medium=rss&#038;utm_campaign=whats-inside-a-daly-bms</link>
33. <comments>https://mullerenergy.com.au/whats-inside-a-daly-bms/#respond</comments>
35. <dc:creator><![CDATA[Ruben Muller]]></dc:creator>
36. <pubDate>Tue, 28 Nov 2023 09:15:59 +0000</pubDate>
37. <category><![CDATA[Uncategorized]]></category>
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40. <description><![CDATA[<p>Explore the inner workings of a disassembled 12V 250A Daly BMS. From MOSFET specifications to dual PCB design. Read more..</p>
41. <p>The post <a rel="nofollow" href="https://mullerenergy.com.au/whats-inside-a-daly-bms/">What’s Inside a Daly BMS?</a> appeared first on <a rel="nofollow" href="https://mullerenergy.com.au">Muller Energy</a>.</p>
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56. <p><span style="font-weight: 400;">After a long day&#8217;s work, we all like to relax. Some people read, or play computer games, here&#8217;s what I did the other night: I wondered what&#8217;s inside a dead 12V 250A Daly BMS, so I pulled it apart.</span></p> </div>
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74. <p><span style="font-weight: 400;">What I found was interesting (to me at least and given you&#8217;re still reading this, maybe you&#8217;re in the small minority of people interested in this as well)!</span></p> </div>
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92. <p><span style="font-weight: 400;">First up, I have to say, it&#8217;s a tough nut to crack! The plastic that&#8217;s covering the PCB really holds on tight! I discovered AFTER I  was done that it&#8217;s a thermoplast (meaning it gets softer and melts when the temperature increases), so if I had baked it at 80C, it would have likely been much easier to take apart.</span></p> </div>
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117. <img fetchpriority="high" decoding="async" width="808" height="530" src="https://mullerenergy.com.au/wp-content/uploads/2023/11/daly-bms-a.jpg" class="attachment-full size-full wp-image-891438" alt="All Copper Substrate" srcset="https://mullerenergy.com.au/wp-content/uploads/2023/11/daly-bms-a.jpg 808w, https://mullerenergy.com.au/wp-content/uploads/2023/11/daly-bms-a-300x197.jpg 300w, https://mullerenergy.com.au/wp-content/uploads/2023/11/daly-bms-a-768x504.jpg 768w" sizes="(max-width: 808px) 100vw, 808px" /> </div>
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141. <p><span style="font-weight: 400;">Initially I saw that on the PCB that it says that it&#8217;s rated for 300A. So that&#8217;s probably the design current and it has been derated.</span><span style="font-weight: 400;">Then I looked up the MOSFETs that are used. There are 40 of them in total, 20 on each side and obviously 20 will be for charging and 20 for discharging.</span></p> </div>
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159. <p><span style="font-weight: 400;">The spec sheet can be found here:</span><a href="https://datasheet.lcsc.com/lcsc/2208311730_Samwin-SWP020R03VLT_C5151884.pdf?fbclid=IwAR2TYuvxDBFPokFFj26q2CpGuWhI9s4T3otCEjqfsUfKK67ltnMUM0DAu6o" target="_blank" rel="noopener"> <span style="font-weight: 400;">https://datasheet.lcsc.com/&#8230;/2208311730_Samwin&#8230;</span></a></p> </div>
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177. <p><span style="font-weight: 400;">The internal resistance is not as low as some MOSFETs out there (lower is better, less resistance, less heat), but given the number of MOSFETs, it&#8217;s definitely adequate! Drain to source maximum voltage is 30V, so you might get away with connecting two of these BMSs in series for a 24V (I&#8217;m definitely not recommending this), but any more than that will kill at least one of the BMSs.</span></p> </div>
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195. <p><span style="font-weight: 400;">The next noteworthy thing is that this isn&#8217;t a single PCB, but there are two different PCBs connected with only a few signals to turn on and off the charging and discharging MOSFETs.</span></p> </div>
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213. <p>Initially I thought this was done so they could easily control other voltages or other currents by having different variations of the boards.</p> </div>
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231. <div dir="auto">This may or may not be the case, but I found one real reason is that the blue PCB (the power PCB) looks like a normal fibreglass PCB, but in fact, most of it is a solid copper substrate, which is just separated by pieces of fibreglass/plastic into a few sections.</div> </div>
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249. <div dir="auto">This means that the voltages of all MOSFETs&#8217; drains and sources will be virtually identical without any localised voltage drops.</div> </div>
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267. <div dir="auto">It also has one added interesting feature: Say your Daly BMS is not getting sufficient cooling and you can&#8217;t increase airflow or anything like that, what you can do is oversize your cables so that it conducts the heat away from the BMS.</div> </div>
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285. <div dir="auto">The downside is obviously that you have to pay for this copper which may or may not be worth it.</div> </div>
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292. </div>
293. </section>
294. <section class="elementor-section elementor-top-section elementor-element elementor-element-3649d5e elementor-section-boxed elementor-section-height-default elementor-section-height-default" data-id="3649d5e" data-element_type="section">
295. <div class="elementor-container elementor-column-gap-default">
296. <div class="elementor-row">
297. <div class="elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-0b938ca" data-id="0b938ca" data-element_type="column">
298. <div class="elementor-column-wrap elementor-element-populated">
299. <div class="elementor-widget-wrap">
300. <section class="elementor-section elementor-inner-section elementor-element elementor-element-bc04587 elementor-section-boxed elementor-section-height-default elementor-section-height-default" data-id="bc04587" data-element_type="section">
301. <div class="elementor-container elementor-column-gap-default">
302. <div class="elementor-row">
303. <div class="elementor-column elementor-col-50 elementor-inner-column elementor-element elementor-element-d32b852" data-id="d32b852" data-element_type="column">
304. <div class="elementor-column-wrap elementor-element-populated">
305. <div class="elementor-widget-wrap">
306. <div class="elementor-element elementor-element-504ff8b elementor-widget elementor-widget-image" data-id="504ff8b" data-element_type="widget" data-widget_type="image.default">
307. <div class="elementor-widget-container">
308. <div class="elementor-image">
309. <img decoding="async" width="500" height="877" src="https://mullerenergy.com.au/wp-content/uploads/2023/11/daly-bms-green-pcb.jpg" class="attachment-large size-large wp-image-891421" alt="Daly BMS" srcset="https://mullerenergy.com.au/wp-content/uploads/2023/11/daly-bms-green-pcb.jpg 500w, https://mullerenergy.com.au/wp-content/uploads/2023/11/daly-bms-green-pcb-171x300.jpg 171w, https://mullerenergy.com.au/wp-content/uploads/2023/11/daly-bms-green-pcb-300x526.jpg 300w" sizes="(max-width: 500px) 100vw, 500px" /> </div>
310. </div>
311. </div>
312. </div>
313. </div>
314. </div>
315. <div class="elementor-column elementor-col-50 elementor-inner-column elementor-element elementor-element-e4176e3" data-id="e4176e3" data-element_type="column">
316. <div class="elementor-column-wrap elementor-element-populated">
317. <div class="elementor-widget-wrap">
318. <div class="elementor-element elementor-element-84d3419 elementor-widget elementor-widget-image" data-id="84d3419" data-element_type="widget" data-widget_type="image.default">
319. <div class="elementor-widget-container">
320. <div class="elementor-image">
321. <img decoding="async" width="500" height="877" src="https://mullerenergy.com.au/wp-content/uploads/2023/11/daly-bms-3.jpg" class="attachment-large size-large wp-image-891429" alt="Daly BMS" srcset="https://mullerenergy.com.au/wp-content/uploads/2023/11/daly-bms-3.jpg 500w, https://mullerenergy.com.au/wp-content/uploads/2023/11/daly-bms-3-171x300.jpg 171w, https://mullerenergy.com.au/wp-content/uploads/2023/11/daly-bms-3-300x526.jpg 300w" sizes="(max-width: 500px) 100vw, 500px" /> </div>
322. </div>
323. </div>
324. </div>
325. </div>
326. </div>
327. </div>
328. </div>
329. </section>
330. </div>
331. </div>
332. </div>
333. </div>
334. </div>
335. </section>
336. <section class="elementor-section elementor-top-section elementor-element elementor-element-a7acf0c elementor-section-boxed elementor-section-height-default elementor-section-height-default" data-id="a7acf0c" data-element_type="section">
337. <div class="elementor-container elementor-column-gap-default">
338. <div class="elementor-row">
339. <div class="elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-95df6ac" data-id="95df6ac" data-element_type="column">
340. <div class="elementor-column-wrap elementor-element-populated">
341. <div class="elementor-widget-wrap">
342. <div class="elementor-element elementor-element-4d56cae elementor-widget__width-initial elementor-widget elementor-widget-text-editor" data-id="4d56cae" data-element_type="widget" data-widget_type="text-editor.default">
343. <div class="elementor-widget-container">
344. <div class="elementor-text-editor elementor-clearfix">
345. <div dir="auto">The green PCB (the control PCB) has virtually nothing on it. Just one noteworthy IC SH39F003N. I didn&#8217;t find a spec sheet following a very brief search, but I did find some information on it and it&#8217;s a 3s to 5s controller for a BMS.</div><div dir="auto"> </div> </div>
346. </div>
347. </div>
348. </div>
349. </div>
350. </div>
351. </div>
352. </div>
353. </section>
354. <section class="elementor-section elementor-top-section elementor-element elementor-element-c2e4403 elementor-section-boxed elementor-section-height-default elementor-section-height-default" data-id="c2e4403" data-element_type="section">
355. <div class="elementor-container elementor-column-gap-default">
356. <div class="elementor-row">
357. <div class="elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-79763d9" data-id="79763d9" data-element_type="column">
358. <div class="elementor-column-wrap elementor-element-populated">
359. <div class="elementor-widget-wrap">
360. <div class="elementor-element elementor-element-47d2b00 elementor-widget__width-initial elementor-widget elementor-widget-text-editor" data-id="47d2b00" data-element_type="widget" data-widget_type="text-editor.default">
361. <div class="elementor-widget-container">
362. <div class="elementor-text-editor elementor-clearfix">
363. <div dir="auto">The reason that the balance current is so low on the Daly can also be seen, four tiny resistors, one per string and they&#8217;re covered by 5mm of plastic, so cooling would be an issue if it was any more than the 40mA(?) that it does do.</div><div dir="auto"> </div> </div>
364. </div>
365. </div>
366. </div>
367. </div>
368. </div>
369. </div>
370. </div>
371. </section>
372. <section class="elementor-section elementor-top-section elementor-element elementor-element-f4f258e elementor-section-boxed elementor-section-height-default elementor-section-height-default" data-id="f4f258e" data-element_type="section">
373. <div class="elementor-container elementor-column-gap-default">
374. <div class="elementor-row">
375. <div class="elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-9f5a309" data-id="9f5a309" data-element_type="column">
376. <div class="elementor-column-wrap elementor-element-populated">
377. <div class="elementor-widget-wrap">
378. <div class="elementor-element elementor-element-c35a673 elementor-widget__width-initial elementor-widget elementor-widget-text-editor" data-id="c35a673" data-element_type="widget" data-widget_type="text-editor.default">
379. <div class="elementor-widget-container">
380. <div class="elementor-text-editor elementor-clearfix">
381. <div dir="auto">One other thing is that while the plastic was very hard to remove, I don&#8217;t know if I really believe the claims that the BMS is waterproof, as I could imagine water ingress coming in near the connectors, but that&#8217;s merely a theory, I might well be wrong.</div><div dir="auto"> </div> </div>
382. </div>
383. </div>
384. </div>
385. </div>
386. </div>
387. </div>
388. </div>
389. </section>
390. <section class="elementor-section elementor-top-section elementor-element elementor-element-d4f468a elementor-section-boxed elementor-section-height-default elementor-section-height-default" data-id="d4f468a" data-element_type="section">
391. <div class="elementor-container elementor-column-gap-default">
392. <div class="elementor-row">
393. <div class="elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-63dc2a0" data-id="63dc2a0" data-element_type="column">
394. <div class="elementor-column-wrap elementor-element-populated">
395. <div class="elementor-widget-wrap">
396. <div class="elementor-element elementor-element-9cd8a85 elementor-widget__width-initial elementor-widget elementor-widget-text-editor" data-id="9cd8a85" data-element_type="widget" data-widget_type="text-editor.default">
397. <div class="elementor-widget-container">
398. <div class="elementor-text-editor elementor-clearfix">
399. <div dir="auto">So what are my thoughts? I actually think that hardware wise it looks like an okay BMS (though we&#8217;ve had issues with a few of them and have stopped using them), but the firmware and app really aren&#8217;t great (this can unfortunately be said for most BMSs out there).</div> </div>
400. </div>
401. </div>
402. </div>
403. </div>
404. </div>
405. </div>
406. </div>
407. </section>
408. <section class="elementor-section elementor-top-section elementor-element elementor-element-33cc3f7 elementor-section-boxed elementor-section-height-default elementor-section-height-default" data-id="33cc3f7" data-element_type="section">
409. <div class="elementor-container elementor-column-gap-default">
410. <div class="elementor-row">
411. <div class="elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-1a2d4f3" data-id="1a2d4f3" data-element_type="column">
412. <div class="elementor-column-wrap elementor-element-populated">
413. <div class="elementor-widget-wrap">
414. <div class="elementor-element elementor-element-57bfd4f elementor-widget__width-initial elementor-widget elementor-widget-text-editor" data-id="57bfd4f" data-element_type="widget" data-widget_type="text-editor.default">
415. <div class="elementor-widget-container">
416. <div class="elementor-text-editor elementor-clearfix">
417. <div dir="auto">All in all, it&#8217;s not terrible, it&#8217;s not fantastic, but somewhere in between. At least in my subjective opinion.</div> </div>
418. </div>
419. </div>
420. </div>
421. </div>
422. </div>
423. </div>
424. </div>
425. </section>
426. <section class="elementor-section elementor-top-section elementor-element elementor-element-cbe713c elementor-section-boxed elementor-section-height-default elementor-section-height-default" data-id="cbe713c" data-element_type="section">
427. <div class="elementor-container elementor-column-gap-default">
428. <div class="elementor-row">
429. <div class="elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-b0cd820" data-id="b0cd820" data-element_type="column">
430. <div class="elementor-column-wrap elementor-element-populated">
431. <div class="elementor-widget-wrap">
432. <div class="elementor-element elementor-element-8b0c5de elementor-widget__width-initial elementor-widget elementor-widget-text-editor" data-id="8b0c5de" data-element_type="widget" data-widget_type="text-editor.default">
433. <div class="elementor-widget-container">
434. <div class="elementor-text-editor elementor-clearfix">
435. <div dir="auto">Thanks to the three people that that made it all the way through this post! <span class="x3nfvp2 x1j61x8r x1fcty0u xdj266r xhhsvwb xat24cr xgzva0m xxymvpz xlup9mm x1kky2od"><img decoding="async" class="xz74otr" src="https://static.xx.fbcdn.net/images/emoji.php/v9/ta8/1.5/16/1f601.png" alt="&#x1f601;" width="16" height="16" /></span></div> </div>
436. </div>
437. </div>
438. </div>
439. </div>
440. </div>
441. </div>
442. </div>
443. </section>
444. </div>
445. </div>
446. </div>
447. <p>The post <a rel="nofollow" href="https://mullerenergy.com.au/whats-inside-a-daly-bms/">What’s Inside a Daly BMS?</a> appeared first on <a rel="nofollow" href="https://mullerenergy.com.au">Muller Energy</a>.</p>
448. ]]></content:encoded>
450. <wfw:commentRss>https://mullerenergy.com.au/whats-inside-a-daly-bms/feed/</wfw:commentRss>
451. <slash:comments>0</slash:comments>
454. </item>
455. <item>
456. <title>Is your solar panel lying to you?</title>
457. <link>https://mullerenergy.com.au/is-your-solar-panel-lying-to-you-2/?utm_source=rss&#038;utm_medium=rss&#038;utm_campaign=is-your-solar-panel-lying-to-you-2</link>
458. <comments>https://mullerenergy.com.au/is-your-solar-panel-lying-to-you-2/#respond</comments>
460. <dc:creator><![CDATA[Ruben Muller]]></dc:creator>
461. <pubDate>Mon, 11 Sep 2023 14:32:10 +0000</pubDate>
462. <category><![CDATA[Uncategorized]]></category>
463. <guid isPermaLink="false">http://Joachim</guid>
464.  
465. <description><![CDATA[<p>Most people know what a solar panel is and what it does. And while they might not understand the inner workings of how a panel produces electrical energy, they know that the higher the poweroutput, generally the better it is for their 4WD or campervan.Unfortunately, many unscrupulous vendors know that customers want high-power panels but [&#8230;]</p>
466. <p>The post <a rel="nofollow" href="https://mullerenergy.com.au/is-your-solar-panel-lying-to-you-2/">Is your solar panel lying to you?</a> appeared first on <a rel="nofollow" href="https://mullerenergy.com.au">Muller Energy</a>.</p>
467. ]]></description>
468. <content:encoded><![CDATA[
469. <p>Most people know what a solar panel is and what it does. And while they might not understand the <br />inner workings of how a panel produces electrical energy, they know that the higher the power<br />output, generally the better it is for their 4WD or campervan.<br />Unfortunately, many unscrupulous vendors know that customers want high-power panels but also<br />know that only a very small percentage of them will ever test the power output.<br />If you go onto eBay, you can find dozens of listings for panels like this.</p>
470.  
471.  
472.  
473. <figure class="wp-block-image alignleft size-full is-resized"><img decoding="async" class="wp-image-2414" src="https://mullerenergy.com.au/wp-content/uploads/2022/10/PVpic.png" alt="" width="371" height="365" srcset="https://mullerenergy.com.au/wp-content/uploads/2022/10/PVpic.png 371w, https://mullerenergy.com.au/wp-content/uploads/2022/10/PVpic-300x295.png 300w, https://mullerenergy.com.au/wp-content/uploads/2022/10/PVpic-64x63.png 64w" sizes="(max-width: 371px) 100vw, 371px" /></figure>
474.  
475.  
476.  
477. <p>&nbsp;</p>
478.  
479.  
480.  
481. <p>&nbsp;</p>
482.  
483.  
484.  
485. <p>&nbsp;</p>
486.  
487.  
488.  
489. <p>&nbsp;</p>
490.  
491.  
492.  
493. <p>&nbsp;</p>
494.  
495.  
496.  
497. <p>&nbsp;</p>
498.  
499.  
500.  
501. <p>&nbsp;</p>
502.  
503.  
504.  
505. <p>&nbsp;</p>
506.  
507.  
508.  
509. <p>Apparently, this panel has a size of 975*560mm and can be had for less than $120 including shipping.<br />Bargain, right?</p>
510.  
511.  
512.  
513. <p><br />Well, perhaps not quite. According to Clean Energy Reviews, the highest efficiency panel is the<br />SunPower Maxeon 6 440W with an efficiency of 22.8% (measured at an output of 1000W/m<sup>2</sup> ).<br />Taking the non-descript eBay solar panel’s claimed power output at face value, we can calculate the<br />efficiency using the following formula.</p>
514.  
515.  
516.  
517. <p><br />Electrical power out is easy, that’s 300W. We know that solar radiation is 1000W/m<sup>2</sup> but to convert<br />it to a power, we’ve got to get rid of the area term by multiplying it by its area.<br />So we get 52.2% efficiency! This is close to two and a half times the efficiency of the most efficient panel, so obviously something is not right.<br />The issue is of course that the 300W is just false advertising. They will be an actual 100W panels at<br />most.<br />It’s very difficult for the average user to discern what panel rating is real and what panel rating is<br />made up, so we have created an easy tool that will tell you if your panel rating is likely correct or just<br />completely made up:</p>
518.  
519.  
520.  
521. <div class="wp-block-columns is-layout-flex wp-container-core-columns-is-layout-1 wp-block-columns-is-layout-flex">
522. <div class="wp-block-column is-layout-flow wp-block-column-is-layout-flow"><p> [forminator_form id=&#8221;2400&#8243;] </p>
523. </div>
524.  
525.  
526.  
527. <div class="wp-block-column is-layout-flow wp-block-column-is-layout-flow"> </div>
528.  
529.  
530.  
531. <div class="wp-block-column is-layout-flow wp-block-column-is-layout-flow"> </div>
532. </div>
533.  
534.  
535.  
536. <p><strong>What should I do?</strong></p>
537.  
538.  
539.  
540. <p>Customers frequently ask me about what panels to use and I tell them about this rampant lying<br />within the industry.<br />There is fortunately one thing you can do (other than using the calculator above) and that’s to buy a<br />residential solar panel.<br />Residential solar panels have to be accredited by the CEC (Clean Energy Council) in order to be<br />eligible for RECs (Renewable Energy Certificates). Because of this, vendors can’t just make up the<br />power ratings like they can for unregulated panels. So if you buy a 300W residential panel, it will be<br />a lot bigger and heavier than the falsely advertised panel, but it will also be capable of outputting<br />300W of power under the right circumstances!</p>
541. <p>The post <a rel="nofollow" href="https://mullerenergy.com.au/is-your-solar-panel-lying-to-you-2/">Is your solar panel lying to you?</a> appeared first on <a rel="nofollow" href="https://mullerenergy.com.au">Muller Energy</a>.</p>
542. ]]></content:encoded>
544. <wfw:commentRss>https://mullerenergy.com.au/is-your-solar-panel-lying-to-you-2/feed/</wfw:commentRss>
545. <slash:comments>0</slash:comments>
548. </item>
549. <item>
550. <title>Why Does a Lithium-ion Battery Explode?</title>
551. <link>https://mullerenergy.com.au/why-does-a-lithium-ion-battery-explode-2/?utm_source=rss&#038;utm_medium=rss&#038;utm_campaign=why-does-a-lithium-ion-battery-explode-2</link>
552. <comments>https://mullerenergy.com.au/why-does-a-lithium-ion-battery-explode-2/#respond</comments>
554. <dc:creator><![CDATA[Ruben Muller]]></dc:creator>
555. <pubDate>Mon, 11 Sep 2023 14:32:10 +0000</pubDate>
556. <category><![CDATA[Uncategorized]]></category>
557. <guid isPermaLink="false">http://Fiverr</guid>
558.  
559. <description><![CDATA[<p>When I turned around I felt the burns on my face. There were sparks and a little fire.&#8221; It is the testimony of the young Australian who suffered burns on her face and hands due to the explosion of her wireless headset during a flight between Beijing and Melbourne.&#8221; His was an exceptional case due to the seriousness [&#8230;]</p>
560. <p>The post <a rel="nofollow" href="https://mullerenergy.com.au/why-does-a-lithium-ion-battery-explode-2/">Why Does a Lithium-ion Battery Explode?</a> appeared first on <a rel="nofollow" href="https://mullerenergy.com.au">Muller Energy</a>.</p>
561. ]]></description>
562. <content:encoded><![CDATA[
563. <p>When I turned around I felt the burns on my face. There were sparks and a little fire.&#8221; It is the testimony of <strong>the young Australian who suffered burns on her face and hands due to the explosion of her wireless headset during a flight between Beijing and Melbourne</strong>.&#8221;</p>
564.  
565.  
566.  
567. <p>His was an exceptional case due to the seriousness of the accident, but it is neither the first of its kind that occurs in an airplane nor the first time that an electronic device that works with <a href="https://mullerenergy.com.au/product-category/lithium-battery/">lithium-ion batteries</a> exploded. This problem, in fact, forced <a href="https://en.wikipedia.org/wiki/Samsung" target="_blank" rel="noreferrer noopener">Samsung</a> to suspend the sale of its S7 model. </p>
568.  
569.  
570.  
571. <p class="has-vivid-green-cyan-background-color has-background"><strong>But the real culprit is not lithium, a material that, although it is true that it is very reactive, should never cause an explosion if the appliances it powers are well designed and manufactured or if there is no mishandling. </strong></p>
572.  
573.  
574.  
575. <p>If this happens, the key to aborting any incident is to prevent them from overheating. It is the alarm signal to turn off the computer, mobile, headphones, or any other device to which it supplies power.</p>
576.  
577.  
578.  
579. <h2 class="wp-block-heading"><strong>What is the Reason that They can Explode?</strong></h2>
580.  
581.  
582.  
583. <figure class="wp-block-image alignleft size-large"><img decoding="async" class="wp-image-2274" src="https://mullerenergy.com.au/wp-content/uploads/2022/08/Untitled-design-4-min-1024x576.jpg" alt="" />
584. <figcaption class="wp-element-caption">lithium-ion Battery Explode</figcaption>
585. </figure>
586.  
587.  
588.  
589. <p>&nbsp;</p>
590.  
591.  
592.  
593. <p>That <a href="https://mullerenergy.com.au/">lithium batteries</a> explode is still something exceptional, but if it happens it is due, among other causes, to excessive heating or improper handling of the device that can lead to it being subjected to inadequate pressure, such as, for example when someone sits on top of the device. </p>
594.  
595.  
596.  
597. <p class="has-vivid-green-cyan-background-color has-background"><strong>“Batteries are still batteries that are overheating because energy is being extracted from them and the components around them are also overheating. And when a critical temperature is reached they explode</strong>, explains Antonio García Loureiro, from the Department of Electronics and Computing of the Singular Center for Information Technology Research at the University of Santiago.</p>
598.  
599.  
600.  
601. <p> &#8220;They are safer than the old ones, but more delicate because they withstand deep discharges much worse, which can damage the cells,&#8221; says Víctor Ángel Alfonsín Pérez, master&#8217;s degree in Thermal Engineering from the University of Vigo.</p>
602.  
603.  
604.  
605. <figure class="wp-block-embed is-type-video is-provider-youtube wp-block-embed-youtube wp-embed-aspect-16-9 wp-has-aspect-ratio">
606. <div class="wp-block-embed__wrapper"> <div class="ast-oembed-container " style="height: 100%;"><iframe title="Lithium Ion Batteries:  Why They Explode" width="1200" height="675" src="https://www.youtube.com/embed/D3GDdZkN6fg?feature=oembed" frameborder="0" allow="accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture; web-share" referrerpolicy="strict-origin-when-cross-origin" allowfullscreen></iframe></div> </div>
607. </figure>
608.  
609.  
610.  
611. <h2 class="wp-block-heading">And the Original Cause?</h2>
612.  
613.  
614.  
615. <p>Overheating or improper handling is the final cause of the explosion, but the root of the problem lies in the poor design of the device in which the battery is placed, as could have happened to the Samsung 7, in poor manufacturing of the battery. itself, in a software error that regulates the loading process or in a failure in quality controls. </p>
616.  
617.  
618.  
619. <p>“If the mobile or any other device is well designed, there should be no problem”, warns García Loureiro. And the same is believed by Alfonsín Pérez, who thinks that sometimes you can take too much risk. &#8220;Every time we want more energy in less space and for less money, but there are limits,&#8221; he says.</p>
620.  
621.  
622.  
623. <h2 class="wp-block-heading">What Is the Chemical Process That Generates the Explosion?</h2>
624.  
625.  
626.  
627. <p>The interior of a battery contains electrodes wound on themselves and that is where the chemical reactions that allow the transport of electrons take place. An excessive increase in temperature or an overvoltage forms bubbles of oxygen, carbon dioxide, and other gases, which take up more and more space, increasing the pressure, to the point where the system cannot take it any longer and explodes.</p>
628.  
629.  
630.  
631. <h2 class="wp-block-heading">Why Have There Been Several Plane Crashes?</h2>
632.  
633.  
634.  
635. <p>Purely by chance, since there is no technical reason to explain it. &#8220;What happens is that as there are more and more people traveling on planes with electronic devices, the chances increase, but the risk is neither greater nor less than on the ground,&#8221; confirms Alfonsín.</p>
636. <p>The post <a rel="nofollow" href="https://mullerenergy.com.au/why-does-a-lithium-ion-battery-explode-2/">Why Does a Lithium-ion Battery Explode?</a> appeared first on <a rel="nofollow" href="https://mullerenergy.com.au">Muller Energy</a>.</p>
637. ]]></content:encoded>
639. <wfw:commentRss>https://mullerenergy.com.au/why-does-a-lithium-ion-battery-explode-2/feed/</wfw:commentRss>
640. <slash:comments>0</slash:comments>
643. </item>
644. <item>
645. <title>Please be careful when DIYing lithium batteries!</title>
646. <link>https://mullerenergy.com.au/please-be-careful-when-diying-lithium-batteries/?utm_source=rss&#038;utm_medium=rss&#038;utm_campaign=please-be-careful-when-diying-lithium-batteries</link>
647. <comments>https://mullerenergy.com.au/please-be-careful-when-diying-lithium-batteries/#respond</comments>
649. <dc:creator><![CDATA[Ruben Muller]]></dc:creator>
650. <pubDate>Fri, 26 May 2023 01:56:26 +0000</pubDate>
651. <category><![CDATA[Uncategorized]]></category>
652. <guid isPermaLink="false">https://mullerenergy.com.au/?p=3221</guid>
653.  
654. <description><![CDATA[<p>🔋🔥Now, this might sound like a topic I&#8217;d much rather not talk about as someone that sells batteries for a living, but I believe it&#8217;s very important to reiterate the potential risks of building batteries, so that we can all take precautions to ensure we all stay safe. Today, a customer called me. I had [&#8230;]</p>
655. <p>The post <a rel="nofollow" href="https://mullerenergy.com.au/please-be-careful-when-diying-lithium-batteries/">Please be careful when DIYing lithium batteries!</a> appeared first on <a rel="nofollow" href="https://mullerenergy.com.au">Muller Energy</a>.</p>
656. ]]></description>
657. <content:encoded><![CDATA[
658. <p><img src="https://s.w.org/images/core/emoji/15.0.3/72x72/1f50b.png" alt="🔋" class="wp-smiley" style="height: 1em; max-height: 1em;" /><img src="https://s.w.org/images/core/emoji/15.0.3/72x72/1f525.png" alt="🔥" class="wp-smiley" style="height: 1em; max-height: 1em;" /><br />Now, this might sound like a topic I&#8217;d much rather not talk about as someone that sells batteries for a living, but I believe it&#8217;s very important to reiterate the potential risks of building batteries, so that we can all take precautions to ensure we all stay safe.</p>
659.  
660.  
661.  
662. <p>Today, a customer called me. I had sold him some Victron gear (I had not sold him a battery nor cells, but that&#8217;s not really relevant) roughly a year ago.</p>
663.  
664.  
665.  
666. <figure class="wp-block-image size-large"><img decoding="async" width="1024" height="573" class="wp-image-3222" src="https://mullerenergy.com.au/wp-content/uploads/2023/05/nuclear_blast-1024x573.jpg" alt="" srcset="https://mullerenergy.com.au/wp-content/uploads/2023/05/nuclear_blast-1024x573.jpg 1024w, https://mullerenergy.com.au/wp-content/uploads/2023/05/nuclear_blast-300x168.jpg 300w, https://mullerenergy.com.au/wp-content/uploads/2023/05/nuclear_blast-1000x559.jpg 1000w, https://mullerenergy.com.au/wp-content/uploads/2023/05/nuclear_blast-768x429.jpg 768w, https://mullerenergy.com.au/wp-content/uploads/2023/05/nuclear_blast-64x36.jpg 64w, https://mullerenergy.com.au/wp-content/uploads/2023/05/nuclear_blast.jpg 1200w" sizes="(max-width: 1024px) 100vw, 1024px" />
667. <figcaption class="wp-element-caption"><sub><sup>Note, not the actual picture of the customer&#8217;s battery fire.</sup></sub></figcaption>
668. </figure>
669.  
670.  
671.  
672. <p>He told me about what happened to him two days ago:</p>
673.  
674.  
675.  
676. <p>He was working on his DIY 48V 280Ah (using EVE cells) battery, when he accidentally dropped a metal spanner. It created a dead short across the terminals, creating a surge current of well over 1000A. It melted the bus bars and fused the spanner to the battery cells.</p>
677.  
678.  
679.  
680. <p>Sometimes people say that LiFePO4 cells can&#8217;t catch fire. That&#8217;s not quite true and while they are much safer than NMC or Lithium Polymer cells, the vapourised electrolyte can catch fire and I believe it has a flash point somewhere between 700 to 800°C.</p>
681.  
682.  
683.  
684. <p>In this case, the pressure relief valves blew and created quite a directional fire. Thanks to my customer&#8217;s quick reaction only ~$600 of gear (other than the cells) was destroyed as he was able to remove the cells from the motorhome.</p>
685.  
686.  
687.  
688. <p>He got extremely lucky! If it had been NMC or Lithium Polymer cells, there&#8217;s simply no way he would have been able to save the motorhome and his life may even have been in danger. But even with the safer LiFePO4, it was still a very precarious situation. It&#8217;s something that could happen to most of us in a moment of inattention.</p>
689.  
690.  
691.  
692. <p>So please stay safe and when building a battery always:</p>
693.  
694.  
695.  
696. <p>Use insulated tools</p>
697.  
698.  
699.  
700. <p>Wear eye protection</p>
701.  
702.  
703.  
704. <p>Minimise distractions</p>
705.  
706.  
707.  
708. <p>Have a plan of what you&#8217;re going to do if things go wrong</p>
709.  
710.  
711.  
712. <p>Think about every single step before actually doing it</p>
713.  
714.  
715.  
716. <p>I obviously don&#8217;t want to discourage anyone from building batteries. It&#8217;s a fantastic hobby and I personally enjoy it greatly (it&#8217;s the reason that Muller Energy exists in the first place) and know many of you do too. But I obviously don&#8217;t want to see anyone get hurt, so please stay safe.</p>
717.  
718.  
719.  
720. <p>If you want to minimise the risk even further, you can obviously just buy a battery that has been built for you, given that it contains a BMS (battery management system), if you were to accidentally short out the terminals on one of those, you&#8217;d just get a nice spark, but the BMS would then very quickly disconnect the discharge and the flow of current would come to a halt virtually instantaneously, without creating a safety risk.</p>
721.  
722.  
723.  
724. <p>If you would like to hear other people&#8217;s tips on staying safe while building batteries, please feel free to join our Facebook group: <a href="https://www.facebook.com/groups/australianlithiumbatteries/" target="_blank" rel="noopener">https://facebook.com/groups/australianlithiumbatteries</a></p>
725. <p>The post <a rel="nofollow" href="https://mullerenergy.com.au/please-be-careful-when-diying-lithium-batteries/">Please be careful when DIYing lithium batteries!</a> appeared first on <a rel="nofollow" href="https://mullerenergy.com.au">Muller Energy</a>.</p>
726. ]]></content:encoded>
728. <wfw:commentRss>https://mullerenergy.com.au/please-be-careful-when-diying-lithium-batteries/feed/</wfw:commentRss>
729. <slash:comments>0</slash:comments>
732. </item>
733. <item>
734. <title>Great ingenuity to make DIY batteries safer!</title>
735. <link>https://mullerenergy.com.au/great-ingenuity-to-make-diy-batteries-safer/?utm_source=rss&#038;utm_medium=rss&#038;utm_campaign=great-ingenuity-to-make-diy-batteries-safer</link>
736. <comments>https://mullerenergy.com.au/great-ingenuity-to-make-diy-batteries-safer/#respond</comments>
738. <dc:creator><![CDATA[Ruben Muller]]></dc:creator>
739. <pubDate>Fri, 26 May 2023 01:46:41 +0000</pubDate>
740. <category><![CDATA[Uncategorized]]></category>
741. <guid isPermaLink="false">https://mullerenergy.com.au/?p=3213</guid>
742.  
743. <description><![CDATA[<p>A customer called me yesterday to order more battery cells for another battery after building a 16s LiFePO4 battery with cells that we had sold him. We got chatting and he told me about the fantastic discovery he had made by using some 25mm Deta PVC trunking from Bunnings! When he first told me that [&#8230;]</p>
744. <p>The post <a rel="nofollow" href="https://mullerenergy.com.au/great-ingenuity-to-make-diy-batteries-safer/">Great ingenuity to make DIY batteries safer!</a> appeared first on <a rel="nofollow" href="https://mullerenergy.com.au">Muller Energy</a>.</p>
745. ]]></description>
746. <content:encoded><![CDATA[
747. <p>A customer called me yesterday to order more battery cells for another battery after building a 16s LiFePO4 battery with cells that we had sold him. <br />We got chatting and he told me about the fantastic discovery he had made by using some 25mm Deta PVC trunking from Bunnings!</p>
748.  
749.  
750.  
751. <figure class="wp-block-image aligncenter size-full"><img decoding="async" width="500" height="500" class="wp-image-3215" src="https://mullerenergy.com.au/wp-content/uploads/2023/05/2650B.jpeg" alt="" srcset="https://mullerenergy.com.au/wp-content/uploads/2023/05/2650B.jpeg 500w, https://mullerenergy.com.au/wp-content/uploads/2023/05/2650B-300x300.jpeg 300w, https://mullerenergy.com.au/wp-content/uploads/2023/05/2650B-100x100.jpeg 100w, https://mullerenergy.com.au/wp-content/uploads/2023/05/2650B-150x150.jpeg 150w, https://mullerenergy.com.au/wp-content/uploads/2023/05/2650B-135x135.jpeg 135w, https://mullerenergy.com.au/wp-content/uploads/2023/05/2650B-64x64.jpeg 64w" sizes="(max-width: 500px) 100vw, 500px" /></figure>
752.  
753.  
754.  
755. <p>When he first told me that he was using this trunking I imagined a fairly standard wall mount with his cables running on the inside, but no, that&#8217;s not what he used it for. He made the discovery that if he put a little bit of heatshrink around his busbars (which is always a good idea) this trunking would snap in place quite firmly on the bus bars, so much so that it could not be pushed without unclipping it first.</p>
756.  
757.  
758.  
759. <figure class="wp-block-image size-large"><img decoding="async" width="1024" height="768" class="wp-image-3216" src="https://mullerenergy.com.au/wp-content/uploads/2023/05/01-1024x768.jpg" alt="" srcset="https://mullerenergy.com.au/wp-content/uploads/2023/05/01-1024x768.jpg 1024w, https://mullerenergy.com.au/wp-content/uploads/2023/05/01-300x225.jpg 300w, https://mullerenergy.com.au/wp-content/uploads/2023/05/01-1000x750.jpg 1000w, https://mullerenergy.com.au/wp-content/uploads/2023/05/01-768x576.jpg 768w, https://mullerenergy.com.au/wp-content/uploads/2023/05/01-64x48.jpg 64w, https://mullerenergy.com.au/wp-content/uploads/2023/05/01.jpg 1152w" sizes="(max-width: 1024px) 100vw, 1024px" /></figure>
760.  
761.  
762.  
763. <p>Further, given that it was sitting on the plastic surface surrounding the terminals of the cells, there&#8217;s just enough room for the balance wires underneath the trunking meaning that you don&#8217;t need to cut it for those.</p>
764.  
765.  
766.  
767. <figure class="wp-block-image size-large"><img decoding="async" width="1024" height="768" class="wp-image-3217" src="https://mullerenergy.com.au/wp-content/uploads/2023/05/02-1024x768.jpg" alt="" srcset="https://mullerenergy.com.au/wp-content/uploads/2023/05/02-1024x768.jpg 1024w, https://mullerenergy.com.au/wp-content/uploads/2023/05/02-300x225.jpg 300w, https://mullerenergy.com.au/wp-content/uploads/2023/05/02-1000x750.jpg 1000w, https://mullerenergy.com.au/wp-content/uploads/2023/05/02-768x576.jpg 768w, https://mullerenergy.com.au/wp-content/uploads/2023/05/02-64x48.jpg 64w, https://mullerenergy.com.au/wp-content/uploads/2023/05/02.jpg 1152w" sizes="(max-width: 1024px) 100vw, 1024px" /></figure>
768.  
769.  
770.  
771. <p>But even when you do have to cut it, for bus bars that are at right 90 degrees, this can easily be done with a Stanley knife.</p>
772.  
773.  
774.  
775. <figure class="wp-block-image size-large"><img decoding="async" width="1024" height="768" class="wp-image-3218" src="https://mullerenergy.com.au/wp-content/uploads/2023/05/04-1024x768.jpg" alt="" srcset="https://mullerenergy.com.au/wp-content/uploads/2023/05/04-1024x768.jpg 1024w, https://mullerenergy.com.au/wp-content/uploads/2023/05/04-300x225.jpg 300w, https://mullerenergy.com.au/wp-content/uploads/2023/05/04-1000x750.jpg 1000w, https://mullerenergy.com.au/wp-content/uploads/2023/05/04-768x576.jpg 768w, https://mullerenergy.com.au/wp-content/uploads/2023/05/04-64x48.jpg 64w, https://mullerenergy.com.au/wp-content/uploads/2023/05/04.jpg 1152w" sizes="(max-width: 1024px) 100vw, 1024px" /></figure>
776.  
777.  
778.  
779. <p><br />It really does seem like the trunking was custom-made for this purpose, just waiting for our customer to stumble upon it, and the other function that it could be used as trunking as well was just a positive coincidence! <img src="https://s.w.org/images/core/emoji/15.0.3/72x72/1f609.png" alt="😉" class="wp-smiley" style="height: 1em; max-height: 1em;" /></p>
780.  
781.  
782.  
783. <figure class="wp-block-image size-large"><img decoding="async" width="1024" height="768" class="wp-image-3219" src="https://mullerenergy.com.au/wp-content/uploads/2023/05/06-1024x768.jpg" alt="" srcset="https://mullerenergy.com.au/wp-content/uploads/2023/05/06-1024x768.jpg 1024w, https://mullerenergy.com.au/wp-content/uploads/2023/05/06-300x225.jpg 300w, https://mullerenergy.com.au/wp-content/uploads/2023/05/06-1000x750.jpg 1000w, https://mullerenergy.com.au/wp-content/uploads/2023/05/06-768x576.jpg 768w, https://mullerenergy.com.au/wp-content/uploads/2023/05/06-1536x1152.jpg 1536w, https://mullerenergy.com.au/wp-content/uploads/2023/05/06-2048x1536.jpg 2048w, https://mullerenergy.com.au/wp-content/uploads/2023/05/06-64x48.jpg 64w" sizes="(max-width: 1024px) 100vw, 1024px" /></figure>
784.  
785.  
786.  
787. <p>It&#8217;s always great to see ingenuity like this, especially if it&#8217;s safety related, given that I recently had to post about<a href="https://mullerenergy.com.au/please-be-careful-when-diying-lithium-batteries/"> a fire caused by another customer dropping a metal spanner onto the terminals</a>. This $14.19 solution would have almost certainly prevented the ensuing fire!</p>
788. <p>The post <a rel="nofollow" href="https://mullerenergy.com.au/great-ingenuity-to-make-diy-batteries-safer/">Great ingenuity to make DIY batteries safer!</a> appeared first on <a rel="nofollow" href="https://mullerenergy.com.au">Muller Energy</a>.</p>
789. ]]></content:encoded>
791. <wfw:commentRss>https://mullerenergy.com.au/great-ingenuity-to-make-diy-batteries-safer/feed/</wfw:commentRss>
792. <slash:comments>0</slash:comments>
795. </item>
796. <item>
797. <title>World&#8217;s Best Under-Seat Battery?</title>
798. <link>https://mullerenergy.com.au/worlds-best-under-seat-battery/?utm_source=rss&#038;utm_medium=rss&#038;utm_campaign=worlds-best-under-seat-battery</link>
799. <comments>https://mullerenergy.com.au/worlds-best-under-seat-battery/#respond</comments>
801. <dc:creator><![CDATA[Ruben Muller]]></dc:creator>
802. <pubDate>Sun, 21 May 2023 00:36:55 +0000</pubDate>
803. <category><![CDATA[Uncategorized]]></category>
804. <guid isPermaLink="false">https://mullerenergy.com.au/?p=3191</guid>
805.  
806. <description><![CDATA[<p>I&#8217;m extremely excited to announce that we&#8217;re just a couple of weeks away from stock arriving in Australia for our new under-seat battery! It has taken a lot more effort than anticipated to get here, but I think we ended up with a really good product.  Inside we have  4x 160Ah EVE LiFePO4 cells and [&#8230;]</p>
807. <p>The post <a rel="nofollow" href="https://mullerenergy.com.au/worlds-best-under-seat-battery/">World&#8217;s Best Under-Seat Battery?</a> appeared first on <a rel="nofollow" href="https://mullerenergy.com.au">Muller Energy</a>.</p>
808. ]]></description>
809. <content:encoded><![CDATA[
810. <p>I&#8217;m extremely excited to announce that we&#8217;re just a couple of weeks away from stock arriving in Australia for our new <a href="https://kombilife.com.au/products/160ah-12v-lithium-lifepo4-underseat-battery-for-vw-campervans?_pos=13&amp;_sid=cf4915331&amp;_ss=r" target="_blank" rel="noopener">under-seat battery</a>!</p>
811.  
812.  
813.  
814. <p>It has taken a lot more effort than anticipated to get here, but I think we ended up with a really good product. </p>
815.  
816.  
817.  
818. <figure class="wp-block-image size-full"><img decoding="async" width="500" height="375" class="wp-image-3193" src="https://mullerenergy.com.au/wp-content/uploads/2023/05/160AhLithiumBatteryUnderLeftSeat_1_500x.jpg" alt="" srcset="https://mullerenergy.com.au/wp-content/uploads/2023/05/160AhLithiumBatteryUnderLeftSeat_1_500x.jpg 500w, https://mullerenergy.com.au/wp-content/uploads/2023/05/160AhLithiumBatteryUnderLeftSeat_1_500x-300x225.jpg 300w, https://mullerenergy.com.au/wp-content/uploads/2023/05/160AhLithiumBatteryUnderLeftSeat_1_500x-64x48.jpg 64w" sizes="(max-width: 500px) 100vw, 500px" /></figure>
819.  
820.  
821.  
822. <p>Inside we have  4x 160Ah EVE LiFePO4 cells and a 200A JBD smart BMS with Bluetooth.</p>
823.  
824.  
825.  
826. <p>As outputs on the front, as you can see from the description in the picture, we have: </p>
827.  
828.  
829.  
830. <ul>
831. <li>2x 65W USB C chargers that can charge laptops, iPads, etc without a power brick.</li>
832.  
833.  
834.  
835. <li>2x 18W USB A</li>
836.  
837.  
838.  
839. <li>3x 50A Anderson plugs (inputs or outputs, two more under the seat)</li>
840.  
841.  
842.  
843. <li>1x 175A Anderson (input or output, one more under the seat)</li>
844.  
845.  
846.  
847. <li>1x 50A yellow Anderson that takes an unregulated solar panel and puts it into the MPPT</li>
848.  
849.  
850.  
851. <li>Touchscreen display that will show you state of charge, temperatures, cell voltages, current in or out, time left, etc. It also lets you disable the battery, which is handy for installation.</li>
852. </ul>
853.  
854.  
855.  
856. <p>Everything about our design is with the ease of installation and the usability of the battery in mind. So not only is it a stainless steel case that can be slid under the seat from the back into T5, T6 and T6.1 vans, but we&#8217;ve also designed all the cables in a way that it can be installed by a DIYer without the use of any specialised tools. The seat still needs to be taken off due to ensure none of the cables get snagged, but that&#8217;s done quickly and easily by removing two nuts and two bolts.<br />All the connectors are pre-crimped Andersons that can be pulled through and then clipped into the plastic Anderson plugs.</p>
857.  
858.  
859.  
860. <figure class="wp-block-image size-large"><img decoding="async" width="1024" height="607" class="wp-image-3200" src="https://mullerenergy.com.au/wp-content/uploads/2023/05/67fdc135c6771b6d1f9fcbfc18dc5cea-1024x607.jpg" alt="" srcset="https://mullerenergy.com.au/wp-content/uploads/2023/05/67fdc135c6771b6d1f9fcbfc18dc5cea-1024x607.jpg 1024w, https://mullerenergy.com.au/wp-content/uploads/2023/05/67fdc135c6771b6d1f9fcbfc18dc5cea-300x178.jpg 300w, https://mullerenergy.com.au/wp-content/uploads/2023/05/67fdc135c6771b6d1f9fcbfc18dc5cea-1000x593.jpg 1000w, https://mullerenergy.com.au/wp-content/uploads/2023/05/67fdc135c6771b6d1f9fcbfc18dc5cea-768x455.jpg 768w, https://mullerenergy.com.au/wp-content/uploads/2023/05/67fdc135c6771b6d1f9fcbfc18dc5cea-1536x911.jpg 1536w, https://mullerenergy.com.au/wp-content/uploads/2023/05/67fdc135c6771b6d1f9fcbfc18dc5cea-64x38.jpg 64w, https://mullerenergy.com.au/wp-content/uploads/2023/05/67fdc135c6771b6d1f9fcbfc18dc5cea.jpg 1565w" sizes="(max-width: 1024px) 100vw, 1024px" /></figure>
861.  
862.  
863.  
864. <p>There is even a bracket for a DCDC/MPPT combination (the current design is for Redarc, an Australian manufacturer, but we&#8217;re looking into it for the rest of the world). Once the battery is installed, the DCDC can be attached to a bracket by four nuts. This bracket is then slid into a slot in the side of the battery and secured by two screws into the top of the battery. </p>
865.  
866.  
867.  
868. <figure class="wp-block-image size-full"><img decoding="async" width="500" height="333" class="wp-image-3199" src="https://mullerenergy.com.au/wp-content/uploads/2023/05/k-technik-External_and_internal_underseat_B_500x.png" alt="" srcset="https://mullerenergy.com.au/wp-content/uploads/2023/05/k-technik-External_and_internal_underseat_B_500x.png 500w, https://mullerenergy.com.au/wp-content/uploads/2023/05/k-technik-External_and_internal_underseat_B_500x-300x200.png 300w, https://mullerenergy.com.au/wp-content/uploads/2023/05/k-technik-External_and_internal_underseat_B_500x-64x43.png 64w" sizes="(max-width: 500px) 100vw, 500px" /></figure>
869.  
870.  
871.  
872. <p>If you accidentally overload one of the USBs, the cig socket or the merit socket, you can simply unscrew the fuse panel that&#8217;s under the front of the seat, without actually having to remove the seat.</p>
873.  
874.  
875.  
876. <figure class="wp-block-image size-large"><img decoding="async" width="1024" height="768" class="wp-image-3198" src="https://mullerenergy.com.au/wp-content/uploads/2023/05/661e14c6bdb659542c4eb8d0ef6837b0-1024x768.jpg" alt="" srcset="https://mullerenergy.com.au/wp-content/uploads/2023/05/661e14c6bdb659542c4eb8d0ef6837b0-1024x768.jpg 1024w, https://mullerenergy.com.au/wp-content/uploads/2023/05/661e14c6bdb659542c4eb8d0ef6837b0-300x225.jpg 300w, https://mullerenergy.com.au/wp-content/uploads/2023/05/661e14c6bdb659542c4eb8d0ef6837b0-scaled-1000x750.jpg 1000w, https://mullerenergy.com.au/wp-content/uploads/2023/05/661e14c6bdb659542c4eb8d0ef6837b0-768x576.jpg 768w, https://mullerenergy.com.au/wp-content/uploads/2023/05/661e14c6bdb659542c4eb8d0ef6837b0-1536x1152.jpg 1536w, https://mullerenergy.com.au/wp-content/uploads/2023/05/661e14c6bdb659542c4eb8d0ef6837b0-2048x1536.jpg 2048w, https://mullerenergy.com.au/wp-content/uploads/2023/05/661e14c6bdb659542c4eb8d0ef6837b0-64x48.jpg 64w" sizes="(max-width: 1024px) 100vw, 1024px" /></figure>
877.  
878.  
879.  
880. <p>Now having a battery is great, but most people want an inverter with it. So we&#8217;ve designed a 2500W inverter that goes under the other seat, with the 12V power cables going in the channel between the seats, so there aren&#8217;t any visible wires.</p>
881.  
882.  
883.  
884. <figure class="wp-block-image size-large"><img decoding="async" width="1024" height="740" class="wp-image-3197" src="https://mullerenergy.com.au/wp-content/uploads/2023/05/IMG_20230329_112436-1024x740.jpg" alt="" srcset="https://mullerenergy.com.au/wp-content/uploads/2023/05/IMG_20230329_112436-1024x740.jpg 1024w, https://mullerenergy.com.au/wp-content/uploads/2023/05/IMG_20230329_112436-300x217.jpg 300w, https://mullerenergy.com.au/wp-content/uploads/2023/05/IMG_20230329_112436-1000x722.jpg 1000w, https://mullerenergy.com.au/wp-content/uploads/2023/05/IMG_20230329_112436-768x555.jpg 768w, https://mullerenergy.com.au/wp-content/uploads/2023/05/IMG_20230329_112436-64x46.jpg 64w, https://mullerenergy.com.au/wp-content/uploads/2023/05/IMG_20230329_112436.jpg 1127w" sizes="(max-width: 1024px) 100vw, 1024px" /></figure>
885.  
886.  
887.  
888. <p>The power points on that one can be swapped or European or UK plugs as well. It surges up to 5500W, so you can run any residential appliance on it. We ran a heat gun and a circular saw on it at the same time, without either the battery nor the inverter tripping.<br />So it&#8217;s a great solution for tradies that need to run a 305mm mitre saw out of their van.​​</p>
889.  
890.  
891.  
892. <p>If that&#8217;s <strong>still</strong> not enough connectivity, we have one final piece to the puzzle, a panel that can be connected in the back of the van, with two more USBs, 3x 50A Andersons and one cig socket. It also comes with another touchscreen, or there is a version without the touchscreen too.<br /><br /></p>
893.  
894.  
895.  
896. <figure class="wp-block-image size-large"><img decoding="async" width="578" height="1024" class="wp-image-3196" src="https://mullerenergy.com.au/wp-content/uploads/2023/05/IMG_20230521_101211-578x1024.jpg" alt="" srcset="https://mullerenergy.com.au/wp-content/uploads/2023/05/IMG_20230521_101211-578x1024.jpg 578w, https://mullerenergy.com.au/wp-content/uploads/2023/05/IMG_20230521_101211-scaled-300x532.jpg 300w, https://mullerenergy.com.au/wp-content/uploads/2023/05/IMG_20230521_101211-scaled-1000x1773.jpg 1000w, https://mullerenergy.com.au/wp-content/uploads/2023/05/IMG_20230521_101211-169x300.jpg 169w, https://mullerenergy.com.au/wp-content/uploads/2023/05/IMG_20230521_101211-768x1362.jpg 768w, https://mullerenergy.com.au/wp-content/uploads/2023/05/IMG_20230521_101211-866x1536.jpg 866w, https://mullerenergy.com.au/wp-content/uploads/2023/05/IMG_20230521_101211-1155x2048.jpg 1155w, https://mullerenergy.com.au/wp-content/uploads/2023/05/IMG_20230521_101211-64x113.jpg 64w, https://mullerenergy.com.au/wp-content/uploads/2023/05/IMG_20230521_101211-scaled.jpg 1444w" sizes="(max-width: 578px) 100vw, 578px" /></figure>
897.  
898.  
899.  
900. <p>While for the time being it&#8217;s only available in Australia, we&#8217;re speaking to distributers in the UK and in Europe and with any luck, we&#8217;ll have them available there in late Q3 2023.<br />This battery has been a collaboration between Muller Energy and KombiLife, with KombiLife being the sole distributor in Australia.</p>
901.  
902.  
903.  
904. <p><strong>If you have any questions whatsoever, I&#8217;m more than happy to answer all of them!<br /></strong><br />Cheers,<br />Ruben</p>
905.  
906.  
907.  
908. <figure class="wp-block-image size-full"><img decoding="async" width="500" height="558" class="wp-image-3195" src="https://mullerenergy.com.au/wp-content/uploads/2023/05/160Ah-underseat-battery_500x.webp" alt="" srcset="https://mullerenergy.com.au/wp-content/uploads/2023/05/160Ah-underseat-battery_500x.webp 500w, https://mullerenergy.com.au/wp-content/uploads/2023/05/160Ah-underseat-battery_500x-300x335.webp 300w, https://mullerenergy.com.au/wp-content/uploads/2023/05/160Ah-underseat-battery_500x-269x300.webp 269w, https://mullerenergy.com.au/wp-content/uploads/2023/05/160Ah-underseat-battery_500x-64x71.webp 64w" sizes="(max-width: 500px) 100vw, 500px" /></figure>
909. <p>The post <a rel="nofollow" href="https://mullerenergy.com.au/worlds-best-under-seat-battery/">World&#8217;s Best Under-Seat Battery?</a> appeared first on <a rel="nofollow" href="https://mullerenergy.com.au">Muller Energy</a>.</p>
910. ]]></content:encoded>
912. <wfw:commentRss>https://mullerenergy.com.au/worlds-best-under-seat-battery/feed/</wfw:commentRss>
913. <slash:comments>0</slash:comments>
916. </item>
917. <item>
918. <title>Selecting Your Ideal Caravan Battery Size</title>
919. <link>https://mullerenergy.com.au/selecting-your-ideal-caravan-battery-size/?utm_source=rss&#038;utm_medium=rss&#038;utm_campaign=selecting-your-ideal-caravan-battery-size</link>
920. <comments>https://mullerenergy.com.au/selecting-your-ideal-caravan-battery-size/#respond</comments>
922. <dc:creator><![CDATA[Ruben Muller]]></dc:creator>
923. <pubDate>Thu, 18 May 2023 12:28:45 +0000</pubDate>
924. <category><![CDATA[Uncategorized]]></category>
925. <guid isPermaLink="false">https://mullerenergy.com.au/?p=3183</guid>
926.  
927. <description><![CDATA[<p>There’s nothing quite like heading off into nature with a cozy caravan filled with our favourite creature comforts &#8211; from cooking tools to lighting solutions and beyond. Thanks to Lithium Iron Phosphate (LiFePO4) technology we can now enjoy unlimited access to these devices while on our outdoor adventures. In the realm of caravan batteries LiFePO4 [&#8230;]</p>
928. <p>The post <a rel="nofollow" href="https://mullerenergy.com.au/selecting-your-ideal-caravan-battery-size/">Selecting Your Ideal Caravan Battery Size</a> appeared first on <a rel="nofollow" href="https://mullerenergy.com.au">Muller Energy</a>.</p>
929. ]]></description>
930. <content:encoded><![CDATA[
931. <pre class="wp-block-code"><code></code></pre>
932.  
933.  
934.  
935. <figure class="wp-block-image aligncenter size-full"><img decoding="async" width="700" height="400" class="wp-image-3184" src="https://mullerenergy.com.au/wp-content/uploads/2023/05/image.png" alt="" srcset="https://mullerenergy.com.au/wp-content/uploads/2023/05/image.png 700w, https://mullerenergy.com.au/wp-content/uploads/2023/05/image-300x171.png 300w, https://mullerenergy.com.au/wp-content/uploads/2023/05/image-600x343.png 600w, https://mullerenergy.com.au/wp-content/uploads/2023/05/image-64x37.png 64w" sizes="(max-width: 700px) 100vw, 700px" /></figure>
936.  
937.  
938.  
939. <p>There’s nothing quite like heading off into nature with a cozy caravan filled with our favourite creature comforts &#8211; from cooking tools to lighting solutions and beyond. Thanks to Lithium Iron Phosphate (LiFePO4) technology we can now enjoy unlimited access to these devices while on our outdoor adventures. In the realm of caravan batteries LiFePO4 options have quickly gained popularity due to their robust advantages over traditional lead acid batteries. These lithium ion batteries leverage LiFePO4 as their cathode material resulting in a host of benefits including increased usability capacity enhanced safety features longer lifespan and lighter weight &#8211; making them a perfect fit for any recreational vehicle.</p>
940.  
941.  
942.  
943. <p>But when it comes to selecting the right size of LiFePO4 battery for your caravan, where do you begin?</p>
944.  
945.  
946.  
947. <p>No need to worry – selecting the appropriate battery size for your needs is a smooth process that revolves around comprehending three critical aspects: your power needs, battery capacity, and travel routines. The optimal size can only be determined by evaluating your energy consumption requirements since many electronic devices use varying amounts of energy when on the go. You could reduce power consumption by balancing electrical appliance usage as some tools like lights, refrigerators and heaters demand more current than electronics such as smartphones or TVs which consume less energy.</p>
948.  
949.  
950.  
951. <p>Accurately calculating daily power needs can be achieved by detailing each appliances name with its wattage or amperage rating.</p>
952.  
953.  
954.  
955. <p>For caravan excursions requiring unbroken battery power supply without any disruptions LiFePO4 batteries based on their varying battery capacities are the best option since they significantly differ within this range. Battery capacity is crucial because it determines how much energy can be stored at any given moment; hence you must consider this factor before making any decisions.</p>
956.  
957.  
958.  
959. <p>Choosing LiFePO4 batteries over traditional lead acid in caravans offers several benefits like higher usable capacity where almost all its storage potential could be comfortably utilized &#8211; a polar opposite to lead acid with limited safe usability compared to its entire storage space potential.</p>
960.  
961.  
962.  
963. <p>Calculating your total power consumption in watt-hours and dividing it by the voltage of the chosen caravan battery (generally at 12V) gives an estimation of its necessary Ah rating needed accurately.</p>
964.  
965.  
966.  
967. <p>Your choice when selecting suitable power capacities depends on how frequently your charging needs are met and where and how often you tend to camp. For those who enjoy frequent powered site stays or hook up facilities nearby regularly, smaller battery sizes may suffice well.</p>
968.  
969.  
970.  
971. <p>Conversely, if off-grid camping is preferred and extended stays away from electrical sources are expected then one should select higher-capacity LiFePO4 batteries as these will meet energy requirements adequately.</p>
972.  
973.  
974.  
975. <p>When contemplating what size of LiFePO4 battery would be best suited for ones caravan there are several factors worth taking into account including the frequency of travel as well as how long stays are likely to last off grid . If traveling frequently it might make sense to invest in a bigger sized type of this kind of equipment though this may come at an initially higher cost . Avoid ending up with too small a unit by planning out energy needs with some buffer room built in .</p>
976.  
977.  
978.  
979. <p>To maximize renewable energy utilization during daylight hours  incorporating solar panel systems into setups can reduce dependency on large capacity units . That being said, while LiFePO4 batteries are lighter than others they can still add significant mass to caravans so its essential to ensure that additional weight is supported by ones vehicle. If unsure about power requirements or even battery size  consulting professionals with expertise and tools in this area is certainly a good idea. Above all choosing the correct LiFePO4 battery unit necessitates careful analysis of ones energy needs and travel patterns as well as taking into account other relevant factors. The decision to determine what type of power source to bring along on your next camping excursion should not be taken lightly.</p>
980.  
981.  
982.  
983. <p>However with careful consideration and informed selection you can reap two fold benefits: an amplified outdoor experience and an unwavering supply of portable energy.</p>
984. <p>The post <a rel="nofollow" href="https://mullerenergy.com.au/selecting-your-ideal-caravan-battery-size/">Selecting Your Ideal Caravan Battery Size</a> appeared first on <a rel="nofollow" href="https://mullerenergy.com.au">Muller Energy</a>.</p>
985. ]]></content:encoded>
987. <wfw:commentRss>https://mullerenergy.com.au/selecting-your-ideal-caravan-battery-size/feed/</wfw:commentRss>
988. <slash:comments>0</slash:comments>
991. </item>
992. <item>
993. <title>Why are lithium batteries so expensive?</title>
994. <link>https://mullerenergy.com.au/why-are-lithium-batteries-so-expensive/?utm_source=rss&#038;utm_medium=rss&#038;utm_campaign=why-are-lithium-batteries-so-expensive</link>
995. <comments>https://mullerenergy.com.au/why-are-lithium-batteries-so-expensive/#respond</comments>
997. <dc:creator><![CDATA[Ruben Muller]]></dc:creator>
998. <pubDate>Sun, 14 May 2023 13:24:47 +0000</pubDate>
999. <category><![CDATA[Uncategorized]]></category>
1000. <category><![CDATA[battery]]></category>
1001. <category><![CDATA[LiFePO4]]></category>
1002. <category><![CDATA[Lithium]]></category>
1003. <guid isPermaLink="false">https://mullerenergy.com.au/?p=3171</guid>
1004.  
1005. <description><![CDATA[<p>Lithium iron phosphate (LiFePO4) batteries gained in popularity in recent years, which is quite understandable, given their advantages over other battery types, including a longer cycle life, higher energy density, lower weight and surprisingly improved safety. However, one of the most obvious drawback of LiFePO4 batteries commonly cited is their upfront cost. This is what [&#8230;]</p>
1006. <p>The post <a rel="nofollow" href="https://mullerenergy.com.au/why-are-lithium-batteries-so-expensive/">Why are lithium batteries so expensive?</a> appeared first on <a rel="nofollow" href="https://mullerenergy.com.au">Muller Energy</a>.</p>
1007. ]]></description>
1008. <content:encoded><![CDATA[
1009. <p>Lithium iron phosphate (LiFePO4) batteries gained in popularity in recent years, which is quite understandable, given their advantages over other battery types, including a longer cycle life, higher energy density, lower weight and surprisingly improved safety. However, one of the most obvious drawback of LiFePO4 batteries commonly cited is their upfront cost. This is what we’ll explore below.</p>
1010.  
1011.  
1012.  
1013. <p>There are a number reasons why LiFePO4 batteries are more expensive, such as the higher cost of raw materials, the manufacturing process, and requiring a battery management systems.<br />LiFePO4 batteries contain lithium, iron, phosphate, and some other expensive metals that are difficult to mine and refine. Lithium prices have been extremely high due to high demand and lack of supply, but this is something that’s currently changing. While demand is still increasing, a significant amount of lithium production has come online, increasing the supply.</p>
1014.  
1015.  
1016.  
1017. <figure class="wp-block-image aligncenter size-full is-resized"><img decoding="async" class="wp-image-3172" src="https://mullerenergy.com.au/wp-content/uploads/2023/05/1000_F_187275643_meao39lJ0N8j1UxySz9dyit34WucyjQb-1.jpg" alt="" width="387" height="387" srcset="https://mullerenergy.com.au/wp-content/uploads/2023/05/1000_F_187275643_meao39lJ0N8j1UxySz9dyit34WucyjQb-1.jpg 1000w, https://mullerenergy.com.au/wp-content/uploads/2023/05/1000_F_187275643_meao39lJ0N8j1UxySz9dyit34WucyjQb-1-300x300.jpg 300w, https://mullerenergy.com.au/wp-content/uploads/2023/05/1000_F_187275643_meao39lJ0N8j1UxySz9dyit34WucyjQb-1-100x100.jpg 100w, https://mullerenergy.com.au/wp-content/uploads/2023/05/1000_F_187275643_meao39lJ0N8j1UxySz9dyit34WucyjQb-1-150x150.jpg 150w, https://mullerenergy.com.au/wp-content/uploads/2023/05/1000_F_187275643_meao39lJ0N8j1UxySz9dyit34WucyjQb-1-768x768.jpg 768w, https://mullerenergy.com.au/wp-content/uploads/2023/05/1000_F_187275643_meao39lJ0N8j1UxySz9dyit34WucyjQb-1-600x600.jpg 600w, https://mullerenergy.com.au/wp-content/uploads/2023/05/1000_F_187275643_meao39lJ0N8j1UxySz9dyit34WucyjQb-1-135x135.jpg 135w, https://mullerenergy.com.au/wp-content/uploads/2023/05/1000_F_187275643_meao39lJ0N8j1UxySz9dyit34WucyjQb-1-64x64.jpg 64w" sizes="(max-width: 387px) 100vw, 387px" /></figure>
1018.  
1019.  
1020.  
1021. <p>The manufacturing process of LiFePO4 batteries requires specialised equipment and skilled labour. The batteries need precise manufacturing techniques and high-quality control standards to guarantee their performance, which can increase the cost of production.<br />Plus AGM batteries have the advantage that much of the cost of the equipment used to manufacture them has been fully depreciated, given that lead acid batteries have been in production for over 100 years!</p>
1022.  
1023.  
1024.  
1025. <p>In addition, LiFePO4 batteries have a battery management system (BMS) that ensures battery cells aren’t over-charged, over-discharged, too hot, too cold, etc. The cost of the BMS can add to the overall cost of the battery.</p>
1026.  
1027.  
1028.  
1029. <p>Despite the high cost of LiFePO4 batteries, they are actually cheaper than AGM per cycle. This is because LiFePO4 batteries have a much longer cycle life than AGM batteries. AGM batteries might last for around 500 cycles (if you’re careful with them), while LiFePO4 batteries can last for over 4000 cycles. So you would have to buy 8 lead acid batteries to get the same cycle life as a single LiFePO4 <a href="https://mullerenergy.com.au/product/muller-energy-2v-200ah-slimline-lithium-battery-lifepo4/">lithium battery 12v</a>.</p>
1030.  
1031.  
1032.  
1033. <p>On top of that, with LiFePO4 batteries, you discharge the full rated capacity without damaging it. AGM batteries, on the other hand, shouldn’t be discharged much below 50% as it can damage the battery&#8217;s lifespan. This means that you can get much more usable energy out of a LiFePO4 battery than an AGM battery, making it more cost-effective over time.</p>
1034.  
1035.  
1036.  
1037. <p>In summary, LiFePO4 batteries are expensive due to the cost of raw materials, the manufacturing process and its maturity, and battery management systems.<br />However, it is important to note that they are cheaper than AGM per cycle, and their longer lifespan and higher cycle capacity make them a better investment in the long run. As technology advances and manufacturing processes become more efficient, the cost of LiFePO4 batteries will continue to decrease, making a stronger financial argument for upgrading AGMs with LiFePO4s.</p>
1038. <p>The post <a rel="nofollow" href="https://mullerenergy.com.au/why-are-lithium-batteries-so-expensive/">Why are lithium batteries so expensive?</a> appeared first on <a rel="nofollow" href="https://mullerenergy.com.au">Muller Energy</a>.</p>
1039. ]]></content:encoded>
1041. <wfw:commentRss>https://mullerenergy.com.au/why-are-lithium-batteries-so-expensive/feed/</wfw:commentRss>
1042. <slash:comments>0</slash:comments>
1045. </item>
1046. <item>
1047. <title>How to source quality lithium cells?</title>
1048. <link>https://mullerenergy.com.au/how-to-source-quality-lithium-cells/?utm_source=rss&#038;utm_medium=rss&#038;utm_campaign=how-to-source-quality-lithium-cells</link>
1049. <comments>https://mullerenergy.com.au/how-to-source-quality-lithium-cells/#respond</comments>
1051. <dc:creator><![CDATA[Ruben Muller]]></dc:creator>
1052. <pubDate>Sun, 14 May 2023 10:58:55 +0000</pubDate>
1053. <category><![CDATA[Uncategorized]]></category>
1054. <category><![CDATA[battery]]></category>
1055. <category><![CDATA[LiFePO4]]></category>
1056. <category><![CDATA[Lithium]]></category>
1057. <guid isPermaLink="false">https://mullerenergy.com.au/?p=3168</guid>
1058.  
1059. <description><![CDATA[<p>Obviously, the best way to make sure you actually get what you pay for and don&#8217;t get sent inferior cells after being promised the world, is to buy from a reputable Australian company with an ABN that will issue with a tax invoice, such as Muller Energy. However, if you have your heart set on [&#8230;]</p>
1060. <p>The post <a rel="nofollow" href="https://mullerenergy.com.au/how-to-source-quality-lithium-cells/">How to source quality lithium cells?</a> appeared first on <a rel="nofollow" href="https://mullerenergy.com.au">Muller Energy</a>.</p>
1061. ]]></description>
1062. <content:encoded><![CDATA[
1063. <p>Obviously, the best way to make sure you actually get what you pay for and don&#8217;t get sent inferior cells after being promised the world, is to buy from a reputable Australian company with an ABN that will issue with a tax invoice, such as <a href="https://mullerenergy.com.au/product/eve-3-2v-304ah-lifepo4-prismatic-battery-cells/">Muller Energy</a>.</p>
1064.  
1065.  
1066.  
1067. <figure class="wp-block-image aligncenter size-full is-resized"><img decoding="async" class="wp-image-3169" src="https://mullerenergy.com.au/wp-content/uploads/2023/05/305501530_208213058210243_8919187240374990782_n.jpg" alt="" width="510" height="510" srcset="https://mullerenergy.com.au/wp-content/uploads/2023/05/305501530_208213058210243_8919187240374990782_n.jpg 800w, https://mullerenergy.com.au/wp-content/uploads/2023/05/305501530_208213058210243_8919187240374990782_n-300x300.jpg 300w, https://mullerenergy.com.au/wp-content/uploads/2023/05/305501530_208213058210243_8919187240374990782_n-100x100.jpg 100w, https://mullerenergy.com.au/wp-content/uploads/2023/05/305501530_208213058210243_8919187240374990782_n-150x150.jpg 150w, https://mullerenergy.com.au/wp-content/uploads/2023/05/305501530_208213058210243_8919187240374990782_n-768x768.jpg 768w, https://mullerenergy.com.au/wp-content/uploads/2023/05/305501530_208213058210243_8919187240374990782_n-600x600.jpg 600w, https://mullerenergy.com.au/wp-content/uploads/2023/05/305501530_208213058210243_8919187240374990782_n-135x135.jpg 135w, https://mullerenergy.com.au/wp-content/uploads/2023/05/305501530_208213058210243_8919187240374990782_n-64x64.jpg 64w" sizes="(max-width: 510px) 100vw, 510px" /></figure>
1068.  
1069.  
1070.  
1071. <p>However, if you have your heart set on ordering cells from China yourself, here are my recommendations that your cell purchase (hopefully) doesn&#8217;t end in tears!<br />These are not necessarily in sequential order, but you&#8217;ll get the point.</p>
1072.  
1073.  
1074.  
1075. <p>1) Never buy cells from places like Aliexpress or Banggood or any other end customer marketplaces like that. They tend to have more dodgy sellers than Alibaba (though even here the number of bad sellers outnumbers that of good sellers).</p>
1076.  
1077.  
1078.  
1079. <p>2) Have a look on Facebook groups (<a href="https://www.facebook.com/groups/australianlithiumbatteries" target="_blank" rel="noopener">such as this</a>) to see what experience others have had with a particular vendor. Unfortunately, the review section on Alibaba isn&#8217;t great, so that might not help you much, but still worth a look. Another good place to look for genuine reviews though, would probably be the <a href="https://diysolarforum.com/" target="_blank" rel="noopener">DIYSolar </a>forums.</p>
1080.  
1081.  
1082.  
1083. <p>3) Clarifications: I like to make a numbered excel spreadsheet issues/questions register. Every question/issue has to be satisfied before we can proceed to shipment. If you ask questions it&#8217;s very common for sellers to give vague answers and then if there&#8217;s an issue to claim that they never confirmed X, Y or Z.<br />So have a written record with every detail EXPLICITLY stated, as though it would be used in a court of law.</p>
1084.  
1085.  
1086.  
1087. <p>4) Get a PI (or proforma invoice) done that has all the important details in it. If one thing is missed, don&#8217;t assume it will be fine, get them to redo it.<br />This should include what constitutes a failed cell and what remedies the vendor will do for failed cells. Remember to include that you will not ship them back to China, or if you do it&#8217;s at the vendor&#8217;s cost.</p>
1088.  
1089.  
1090.  
1091. <p>5) Photos and videos: Get lots of those done. There&#8217;s a good chance you&#8217;ll get a random photo that isn&#8217;t of the actual item. One way around this is to ask for the original file and then look at the picture&#8217;s metadata. Don&#8217;t tell suppliers that&#8217;s what you&#8217;re doing though, as this can be faked if they&#8217;re aware of it.</p>
1092.  
1093.  
1094.  
1095. <p>6) ALWAYS hold the final payment until all checks and balances have been done. Usually this means that you&#8217;ll pay a 50% initial payment and a 50% final payment when the cells are packed and ready to be shipped. Initially though try for 30%/70%, but you&#8217;ll likely end up agreeing on 50%/50%.</p>
1096.  
1097.  
1098.  
1099. <p>7) Paperwork: Make sure all the paperwork is in order. You&#8217;ll need a COO (certificate of origin) for example, to avoid paying import duty.</p>
1100.  
1101.  
1102.  
1103. <p>8 ) Payment: Ideally pay with Paypal on a credit card through Alipay. The Alibaba Trade Assurance HEAVILY favours the vendor, so relying purely on that probably isn&#8217;t a good idea.</p>
1104.  
1105.  
1106.  
1107. <p>9) Inspection: I realise this one is much more difficult if you&#8217;re just ordering a few cells, but you should have some sort of plan. The best thing is obviously to fly over there and do the inspection yourself, however that&#8217;s not a reasonable thing to do for just a few cells.<br />The next best thing is to get a third party to do the inspection for you. I could write a whole chapter on inspections, but just make sure they test all the important aspects. Also make sure that the vendor will have fully charged cells available ready to do a capacity test during the inspection. Confirm the discharge rate beforehand, so there&#8217;s enough time for the test to be completed on the day of the inspection. They like to run at low C rates to make sure they get every last mAh out of the cells. They often also pause and let the cell rest at 10% SOC or so. Slight tangent, but also make sure that they&#8217;re giving you the DISCHARGE capacity, not the CHARGE capacity.<br />Generally, even with this in place. The capacity they measure will be 2-3Ah higher than the results you&#8217;ll get when you do your test.<br />While an inspection isn&#8217;t too expensive (starts at under US$200) it might still be too expensive if you just order a handful of cells. In that case, just be sure to get lots of photos, videos, test reports, etc done.</p>
1108.  
1109.  
1110.  
1111. <p>10) Shipment: Make sure you select whatever is appropriate for you. For a small order DDP (nothing more to pay for the buyer) is probably the best, but please be aware that this isn&#8217;t officially allowed for Australia. This means the vendor might be submitting false declarations. I have no idea what the legal implications would be for the buyer, maybe it&#8217;s nothing, but this definitely is not legal advice.<br />DAP is probably what I would use, but you need to pay GST and custom clearance fees (and duty if you don&#8217;t have a COO).<br />Again, get this clarified in the PI.</p>
1112.  
1113.  
1114.  
1115. <p>11) Arrival: When your packages are delivered, inspect them and take photos before signing off on them. If any packages are damaged, open them there and then before the delivery person leaves.<br />If that&#8217;s all okay, you now need to test everything yourself, such as internal resistance, voltage (make sure they don&#8217;t self-discharge at an unacceptable rate) and of course capacity. Obviously have a look for any visible issues as well.</p>
1116.  
1117.  
1118.  
1119. <p>While all of this obviously doesn&#8217;t guarantee that you will get good cells, it dramatically increases the chances that you will. <br />Should a vendor not want to take these steps, they&#8217;re probably best avoided anyway</p>
1120. <p>The post <a rel="nofollow" href="https://mullerenergy.com.au/how-to-source-quality-lithium-cells/">How to source quality lithium cells?</a> appeared first on <a rel="nofollow" href="https://mullerenergy.com.au">Muller Energy</a>.</p>
1121. ]]></content:encoded>
1123. <wfw:commentRss>https://mullerenergy.com.au/how-to-source-quality-lithium-cells/feed/</wfw:commentRss>
1124. <slash:comments>0</slash:comments>
1127. </item>
1128. <item>
1129. <title>How should I store my battery?</title>
1130. <link>https://mullerenergy.com.au/how-should-i-store-my-battery/?utm_source=rss&#038;utm_medium=rss&#038;utm_campaign=how-should-i-store-my-battery</link>
1131. <comments>https://mullerenergy.com.au/how-should-i-store-my-battery/#respond</comments>
1133. <dc:creator><![CDATA[Ruben Muller]]></dc:creator>
1134. <pubDate>Sun, 14 May 2023 10:19:15 +0000</pubDate>
1135. <category><![CDATA[Uncategorized]]></category>
1136. <guid isPermaLink="false">https://mullerenergy.com.au/?p=3162</guid>
1137.  
1138. <description><![CDATA[<p>I get the question on how to store lithium batteries when not using them for a while.As this popped up again today, I thought I would very quickly post my thoughts on this topic as well.Here&#8217;s what I tell customers: if you really abuse the batteries (within reason), you might &#8220;only&#8221; get 2000 cycles out [&#8230;]</p>
1139. <p>The post <a rel="nofollow" href="https://mullerenergy.com.au/how-should-i-store-my-battery/">How should I store my battery?</a> appeared first on <a rel="nofollow" href="https://mullerenergy.com.au">Muller Energy</a>.</p>
1140. ]]></description>
1141. <content:encoded><![CDATA[
1142. <p>I get the question on how to store lithium batteries when not using them for a while.<br />As this popped up again today, I thought I would very quickly post my thoughts on this topic as well.<br />Here&#8217;s what I tell customers: if you really abuse the batteries (within reason), you might &#8220;only&#8221; get 2000 cycles out of them, instead of the 4000+ cycles they might get if they are a bit more careful.<br />However, given that our average customer does less than one cycle per week, 2000 cycles is around 40 years!<br />Obviously, that&#8217;s not factoring in time-based degradation, but it makes the point that there&#8217;s usually no need to try and get every last possible cycle out of the batteries.</p>
1143.  
1144.  
1145.  
1146. <figure class="wp-block-image size-full"><img decoding="async" width="510" height="423" class="wp-image-3166" src="https://mullerenergy.com.au/wp-content/uploads/2023/05/1648607530809.png" alt="" srcset="https://mullerenergy.com.au/wp-content/uploads/2023/05/1648607530809.png 510w, https://mullerenergy.com.au/wp-content/uploads/2023/05/1648607530809-300x249.png 300w, https://mullerenergy.com.au/wp-content/uploads/2023/05/1648607530809-64x53.png 64w" sizes="(max-width: 510px) 100vw, 510px" /></figure>
1147.  
1148.  
1149.  
1150. <p>On the flip side, however, you definitely should not store your batteries when they&#8217;re flat (or close to flat)! The main reason for this is that while <a href="http://mullerenergy.com.au">LiFePO4 batteries</a> have a much lower self-discharge rate than lead acid, they can still be around the 3% per month mark. This means that if you store a battery that has 10% of charge left for 4 months, you might drop below the minimum recommended cell voltage of 2.5V, which can damage cells and reduce their capacity, especially when recharging with high currents.<br /><br />Also as with seemingly anything on the planet, they should ideally be stored in a cool dry environment but again, as long as you don&#8217;t store them at temperatures above 40°C, it won&#8217;t really matter too much.<br /><br />As for myself, I store customer batteries at 40-50% but happily keep my own at 100%.</p>
1151. <p>The post <a rel="nofollow" href="https://mullerenergy.com.au/how-should-i-store-my-battery/">How should I store my battery?</a> appeared first on <a rel="nofollow" href="https://mullerenergy.com.au">Muller Energy</a>.</p>
1152. ]]></content:encoded>
1154. <wfw:commentRss>https://mullerenergy.com.au/how-should-i-store-my-battery/feed/</wfw:commentRss>
1155. <slash:comments>0</slash:comments>
1158. </item>
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