MOREPOWER Samsung Galaxy S II Hercules SGH-T989 Battery EB-L1D7IBA High Capacity & Long Lasting + Universal Battery Charger With LED Indicator 2200 mAh For Samsung Galaxy S II Hercules SGH-T989 / Samsung Galaxy S II Skyrocket SGH-i727 / Samsung Galaxy S2 Hercules SGH-T989 / Samsung Galaxy S2 Skyrocket SGH-i727 / Samsung Galaxy Nexus LTE SCH-i515 / Samsung Galaxy Nexus LTE SPH-L700 / Samsung Galaxy Rugby Pro SGH-I547 Voltage:3.7-4.2V,Capacity:2200 mAh,Compatible with the original battery cover door. STRONG BATTERY : Quality high capacity battery cell,Grade AAA cells ensure longer battery life (500+ cycles) and high-speed,efficient charging. SAFE BATTERY : Anti-over charge protection,Anti-over discharge protection,Protection against short circuit,Anti-explosion protection. SMART BATTERY : Power control chip,Dual Protection IC. Battery Type:High capacity Li-ion Battery.Tested under strict quality control standards. CE and ROHS certified.