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Recycle your old laptop battery into a usb power bank.

Steps are neatly explained in the video,

<p>Nice intractable, as it reveals the tremendous secret of &quot;how laptop batteries are made&quot;?.</p><p>One question: to my knowledge, all the elements of a bank (6 in your case) must be identical, otherwise they will charge at a different pace and could become harmful: any clue about that?</p><p>a second question: any clue about why an element could get hot? is that element completely exhausted? (to be thrown in the garbage?)</p><p>One suggestion: show in the video (or suggest in the subtitles) to mark with a merger polarities as tested, otherwise there be some confusion.</p><p>Thx again for the intractable.</p><p>Manlio</p>

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