EZOPower High Capacity Extended Replacement Battery (4200mAh) with Blue Door + 2pcs (Black Honeycomb & White) Extended Battery TPU Case Cover for Samsung Galaxy S3 SIII i9300 (AT&T, T-Mobile, Sprint, Verizon) Compatible with the following versions of the Galaxy S III: AT&T (SGH-i747), US Celluar, T-Mobile (SGH-T999),Verizon(SCH-I535), Sprint (SPH-L710), and International (GT-i9300). Battery type: Lithium-Ion. Battery capacity: 4200mAh No memory loss effect. Black battery door included. Integrated microchip prevents overcharging & lengthens battery life Black Honeycomb Extended Battery TPU Case Cover , This case can only fit Samsung Galaxy S3 with an extended battery. Brand new EZOPower Extended Battery. Model #: EZPBA11E