Battery Saver Optimizer Pro: FREE Fast Charger

For many people, the battery life is the single most important consideration when buying a new phone. It's not easy to find a phone with a long-lasting battery that's why DU Battery Saver is an Intelligent application to save power by switching save mode by optimization, used with following tips your battery will be more efficient:

- Black wallpaper can increase battery
- Don't let your apps fall behind the times
- Don't use adaptive/auto brightness
- Turn off vibrate and haptic feedback to save battery
- Set your 'Do Not Disturb' or 'sleep' schedule