Battery Widget+ Apk will not drain your battery, as it does only what it needs to do. When the device is idle, it is not listening to any battery information updates from the system if there are no active alerts.
Key Features:
Battery level indicator on status bar, showing in different colors in 3 configurable ranges
Alerts for various battery status
Time information when device is plugged or unplugged
Hardware and software information utility for Android based devices. Based on the extensive hardware knowledge of the AIDA64 for Windows application, AIDA64 for Android is capable
Android OS sometimes kills some applications which you need or want to have running. You can select which applications you want to prevent from being killed.
