Samsung Galaxy S3 S III Mini Original OEM Battery - Non-Retail Packaging - Black (Discontinued by Manufacturer) This 2000mAh Li-Ion battery will provide your phone the power it needs so you can enjoy your phone like it's new. Compatible with the Samsung Galaxy S III Mini SM-G730A AT&T and Samsung Galaxy S III Mini SM-G730V Verizon Wireless phone models. Have you been looking for a backup or replacement battery for the Samsung Galaxy S3 S III Samsung Galaxy S III Mini SM-G730A AT&T and Samsung Galaxy S III Mini SM-G730V Verizon Wireless phone models.