This is the best battery screen for your phone or tablet. It is simple, beautiful and can be calibrated specially for your apparatus. - Widget - Notification bar - Charge Alarms - Usage chart Instantly understand just how many hours you've left for: - Listening to music - Viewing video - Talking on the telephone - Internet Browsing ( WiFi / Edge / 3G / 4G ) - Standby - Time left to recharge - Time to utilize LED Flashlight - 2D and 3D Games - Reading books - GPS navigation - Video chat - shooting photographs - Recording videos If you have a new or rare device, please conduct calibration tests to share your results with the community and make this app more exact! Try it now! It is simply the very best at what it's doing.