This App Battery Status , Battery level , Battery Capacity, battery voltage, Battery scale , and Battery percentage.
This App for you to test your battery and show battery health.
and displays numerical and alphabetical description of the current battery state.
When you're altering the frequency of your background updates to reduce the effect of those updates on battery life, checking the current battery level and charging state is a good place to start.
You can also show google ads.
enjoy.
