Hyperion T-Mobile Samsung Galaxy S II 4G 2 x Battery + Charger **NOW WITH NFC CAPABILITIES**
*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 *For use only in T-Mobile Samsung Galaxy SII 4G Phones.