Quote:
Originally Posted by gTen
Aka this is a flaw in li-on batteries when they charge and discharge a lot at the same time... not really the rate at which it charges, at least in this specific instance.
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I believe what we're talking about is essentially the same thing. The battery will heat itself up approaching that thermal cut-off point anytime the total power (in AND out) reaches a certain point for long enough to heat it up. The way I see it you can achieve it EITHER by USING tons of battery power while trying to charge it at (lets say "normal" speed with .7 amps) or by using a MODERATE (and/or overclocking) amount of power but charging it faster (1-2 amp charger).
If I were to tether my phone for 30 minutes and then plug it in, it will already be pretty hot. It won't take long after I plug it in for it to reach that temperature of diminished/deactivated charging. And it wouldn't have anything to do with the charger, just the total amperage both in AND out that the battery has flowing through it generating heat.