13
Jan
evo_bat

Certainly makes sense (get it?), doesn't it. Nearly every EVO owner I know has, at some point or another, complained about the fact that their battery life drops about 5-10% as soon as they unplug it. Well, it turns out that's because of there's an overcharge protection chip inside Li-Ion batteries.

evo_bat_chips

XDA user willy900wonka decided to tear his extended EVO battery apart, and lo and behold:

What I found was that a 8205 chip is used to provide protection and prevent over charging and over-discharging.

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