DU Battery Saver, the world’s leading battery saver and Android power doctor and manager in one. This is a FREE battery saving app. Android phone or tablet provides 50% more battery life. DU Battery Saver’s smart pre-set battery power management mode, touch controls and features sound-charge phase to solve the battery problems is unbeatable. Presented by DU Apps Studio, DU Battery Saver is simple and easy way to shorten your battery life that works well in the device settings. Upgrade to DU Battery Saver, and 50% is very good for battery power savings. I am very happy with this app. Thank you.