This is the perfect battery monitor for your phone or tablet. It is simple, beautiful and can be calibrated specially for your device. Now you can get alerts when your phone charges or discharges to a specific percentage! Instantly know how many hours you have left for: - Listening to music - Watching video - Talking on the phone - Internet Browsing ( WiFi, 3G or 4G ) - Standby - Time left to recharge - Time to use your LED Flashlight - Play 2D and 3D Games - Reading books - GPS navigation - Video chat - Taking photos - Recording videos Use this app to see all this battery information at a glance in the widget or the notification bar. Check the usage chart to understand better your daily usage. If you have a new or rare device, please run calibration tests to share your results with the community and make this app even more precise ! Try it now ! It's simply the best at what it does.