Hi, I have (had) a broken Power Bank unit that apparently had 50,000mAh capacity - pretty sure it was broken because the USB sockets were damaged physically. I cracked it open and it has 8 18650 batteries inside which I have been able to remove (and measured the voltage - they are currently at 3.6V)…

18650 Batteries Use

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mauried November 7, 2017, 9:47pm 2

The largest 18650 battery currently has a capacity of 3.5 AH , and thats a Panasonic NCR 18560G.
Anything bigger is a fake , and unfortunately there are lots of them

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18650 Batteries Use

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