If you want to stop over charging you can use battery alert app which plays your phones ringtone when battery reaches 100%
https://play.google.com/store/apps/details?id=com.batteryalert.home&feature=search_result#?t=W251bGwsMSwxLDEsImNvbS5iYXR0ZXJ5YWxlcnQuaG9tZSJd
also it gives option to snooze...