Chinese 12V 50000mAh battery pack teardown (18650 lithium ion cells)
Channel: Michael Brooks
Date: 2022-04-08

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/1005003370212381.html

The offending AliExpress store = "Aleaivy battery 2 store":
https://www.aliexpress.com/store/911706446

(hint: it's not really 50Ah!)