2100mAh High Capacity Lithium-ion Battery For T-Mobile Samsung Galaxy S2 II T989
100% Brand new high-qualityCell type: Lithium IonNote:The battery operation time depends on conditions such as: Transmitting power level Signal (distancebetween the phone and the base station) Network parameters defined by the operator*Actual battery life will vary depending on your specific hardware and software configurations and network conditions.*To charge the extended capacity, please leave battery charge for 2-3 hours after 100% charge reached.*All Extended Batteries require 5-6 full charge cycles to unlock maximum capacity.Safe and efficient use of energyCompatible with :  T-Mobile Samsung Galaxy S2 II T989 Hercules/AT&T; Samsung Galaxy S2 II Skyrocket SGH-i727Not Compatible with:AT&T; Samsung Galaxy S2 II SGH-i777 i777                                 Sprint Samsung Galaxy S2 II Epic 4G Touch D710                                 Samsung Galaxy s2 II i9100                                 Please check your phone model before you buy!!Package Includes:1 x 2100mAh Brand New Battery