Hi, browsing on Google Play I have found this useful application. And I am using it now. You will never have to worry of your mobile phone's battery ever again - that it would be damaged by overcharging. Your battery is protected.It is the "100% Battery Alarm" . Once you install it and you get an empty battery, just leave it there while charging and you never had to check your phone all the time if it is finished charging or not. Just enjoy doing your thing or the home chores. The alarm will summon you to unplug it. Here's the Link 100% Battery Alarm
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