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qualcomm quick charge

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Advanced design may be built into the charger, but the batteries also need to be compatible since they obviously have to absorb a high charge rate. I once had a nimh battery pack made from AAA size, that came with a 'fast' charger that sent about 1A into them. As I remember charging stopped when they reached a certain voltage then started to drop. They would get alarmingly hot (although they did charge quickly). After several cycles I noticed that a charge no longer went as far. I'm certain the fast charge caused overheating which spoiled the batteries prematurely.
 

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