Poptech Samsung Galaxy S3 Li-ion Battery (2100Mah) for Samsung Galaxy S3 SIII i9300, Gt-i9300 , T999(T-Mobile), I747(AT&T), I535(Verizon), R530(U.S.Cellular), L710(Sprint) Battery type: Rechargeable high capacity Li-ion battery Battery voltage: 3.8V. Battery capacity: 2100mAh Built-in overload & over-voltage protection, tested under strict quality control standards,reliable and trustful Uses premium Grade A cells selected from the top 10% to ensure longer battery life and more than 500 charge cycles over the course of its lifetime Without NFC/google wallet