PowerBot&reg; TNT PB3201-S3 3200mAh Battery Case Extended Backup Power + Rechargeable Battery Double Talk Time + Flip Cover + Kick Stand + Battery Level Indicator for Samsung Galaxy S3 SIII i9300 Compatible w/ all carriers AT&T, Verizon, T-Mobile and Sprint GT-i9300, i747, i535, T999, R530, and L710 - by EyeCandis- by EyeCandis (Black) Extended Capacity: 3200mAh. Cell type: Li-polymer Battery Battery Cycle Life: 500 times Compatibility: Samsung Galaxy S3 i9300 AT&T, Verizon, T-Mobile, Sprint, US Cellular, Cricket, Net 10, Straight Talk, SimpleMobile, and more!