fourstarr deals 4000mAh Extended Battery + Black Battery Cover Door for Samsung Galaxy S3 Mini i8190, NOT COMPATIBLE WITH AT&T OR VERIZON S3 mini SM-G730 Tested under strict quality control standards. CE and ROHS certified 4000mAh Extended Battery allows you to store power necessary to keep your device charged throughout the day Built-in IC chip prevents overcharging. Guaranteed to fit your phone Package contents: 1 pc. 4000mAh high capacity battery, 1 pc Black Battery Cover Door Ships from California within 24 hours