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someone mentioned here the battery won't keep charging once it reaches 100%. However, I just noticed something that might contradict it. I'd like to hear your opinion.

About 5 days ago, I left the phone charged overnight after I saw there was 20% battery left. After the long charge, the battery lasted for almost 3 days with very light usage (answering about 5 calls every day, average of 5 min. talking each, email checking once every hour, game playing about 5 min. per day. That's it)

Then the battery was completely drained and the phone shut off automatically. I put it into wall charge, in about 3 hours it was 100% fully charged. I left it on for another 1 hour. This time the battery only lasted for less than 24 hours with similar amount of usage.

So apparently, the longer I leave it charged, the more battery life it gets. So that means the 100% charge indicator doesn't stop charging.

Is that abnormal?
 
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