Battery Saver

* Save battery power by allow to disable some power consuming feature.
* Users can adjust screen brightness from this app.
* Allow users to enable and disable bluetooth.
* Allow users to enable and disable location service.
* Allow users to enable and disable wifi network.
* App also stop non system background services while charging to boost charging speed.
* Display battery temperature while unplugged.
* Display charging elapsed time while plugged in power source.