Turn off wi-fi and mobile data when the screen is off. Save your battery by turning off data when you mostly do not need it.
Works on tablets and phones and works really really well.
Many options, including not turning off data when powered.
Totally free, enjoy. Feed back any issues, suggestions.
Ad Free, plus some extra features are available in the paid version of this app.
Better Battery requires the following permissions:
Write to the application log for technical support
Turn on and off Wi-Fi and check wi-fi state
Turn on and off network data connections and check connection state. Also used for Ad-Mob
Turn on and off Aeroplane mode
Start app on boot