Hyperion AT&T Samsung Galaxy S II 4G 2 x Battery + Charger
Hyperion AT&T; Samsung Galaxy SII 2x Battery + Travel Charger compatible with AT&T; Samsung Galaxy SII 4G (NOT compatible with Sprint Epic 4G Touch SII, or Samsung i9100 SII ). Includes 2x 1800mAh Batteries and 1x Universal Dock Charger. Compatibility: AT&T; Samsung Galaxy S2 Android Phone*Fits original back cover. Battery Cell Type: Lithium-Ion Voltage: 3.7V Capacity: 1800 mAh. Actual battery life will vary depending on your specific hardware and software configurations and network conditions. Built-in overcharge protection. Charger Input: AC100-240V worldwide use; 50/60Hz 0.15A Output: DC 4.2V 350mA