Replacement B450BU Battery for the at&t Samsung Galaxy S III Mini SM-G730A (2000 mAh) - Non-Retail Packaging - Black Tested under strict quality control standards. CE and ROHS certified Grade A cells ensure longer battery life and high-speed Built-in IC chip prevents overcharging. Guaranteed to fit your phone. Battery shipped may be B450BC or B450BU Not compatible with S3 Mini i8190