How to activate Power Saver in Android OS
All users AndroidOS I already know how fast it consumes mobile phone battery. Precisely because of this, most phones with Android OS have a feature essential to help users minimize energy consumption when the battery reaches a low level (and charger or power source is not at hand), namely Power Saver.
To access and set the Power Saver enter your phone menu and navigate to Settings > Power Saver. In the Power Saver settings menu you have the option of disabling WiFi's, background on, animations on the screen, vibrations, Bluetooth and so on To conserve battery power, Check first Enable Power SaverThen check all other possible options.
If your phone lacks the Power Saver option, you can quickly solve the problem of fast battery consumption with its help Power Control widget.
Activating Power Saver on phone Android when the battery is limited, you can be sure you will have enough life in your mobile for at least several hours (provided you do not use the phone for more than short calls or SMS).
A very good tutorial.