Powercase For Samsung S3

Perfect if you love to chat on your phone, this black cover boosts your battery life giving you an additional 11 hours talk-time (equivalent to 6 hours surfing time, 10 hours video playback, 40 hours audio playback or 700 hours standby time) Compatibility: Samsung Galaxy SIII Capacity: up to 2000mAh Power input/output: 5V/2.5W Input/Output current: 500mA Charging time: 5 hours