Chinese 12V 50000mAh battery pack teardown (18650 lithium ion cells)
I needed a 12 volt battery pack for my bicycle LED lights that could run the lights for a couple of hours without charging. So I bought this "50,000mAh" battery pack from AliExpress. Noticing that it was quite lightweight, I thought I'd tear it down to see what was really inside it... The offending battery pack: https://www.aliexpress.com/item/10050... The offending AliExpress store = "Aleaivy battery 2 store": https://www.aliexpress.com/store/9117... (hint: it's not really 50Ah!)
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