Demo Apk: https://www.dropbox.com/s/9wcycwwtqqdpck9/battery%20killer.apk Battery Saver is a FREE battery saving app that makes your battery last longer. Battery Saver’s smart pre-set battery power management modes, one-touch controls and healthy battery charger stage features, you can solve battery problems and extend your battery life. Instantly find and fix battery power consumption problems and unlock detailed settings to fine-tune your energy savings. FREE battery saving app that helps extend your battery life up to 50% by finding apps and settings that drain power on your device. Features : • Disable unnecessary apps that drain your battery! • Save Power Shortcut which kills tasks with one tap! • Kill apps when screen is off! • Accurate battery remaining time! • Accurate charging time remaining! • Wi-Fi/Data/Bluetooth toggles! • Brightness control! • Simple easy-to-use interface!