Battery Saver

saving power of the software, you can set your sleep time, in order to better saving electricity.
Battery Saver is a powerful Android Battery Saver & Power Optimizer. Functions include (1) One-tap Battery Optimizer (2) Battery Saving Mode (Deep Sleep) (3) Battery consuming App Tracker (4) Battery percentage widget (5) Activity remaining time estimator (6) Boost charge Screen saver!
This is the perfect battery monitor for your phone or tablet. It is simple, beautiful and can be calibrated specially for your device.