EZOPower 3x Standard Lithium-Ion Replacement Battery (1650mAh) + Battery Charger for Samsung Galaxy S II SGH-i777 (AT&T) Brand new EZOPower battery, Capacity: 1650mAh. ONLY Compatible to AT&T samsung Galaxy S2/S II i777 Version Battery type: Lithium-Ion. No memory loss effect. Integrated microchip prevents overcharging & lengthens battery life Package Includes: 3x EZOPower Standard Battery, 1x EZOPower Battery Charger,