Samsung SCH-I535 Cell Phone Battery Ultra High Capacity Extended Battery (4200 mAh) Equipped With NFC - Replacement For Samsung Galaxy S3 Cellphone Battery - Includes A Black Cover Ultra High Capacity Extended Battery (4200 mAh) Equipped With NFC Replacement For Samsung Galaxy S3 Cellphone Battery - Includes A Black Cover Made with high quality Japanese cells. 100% compatible with your OEM battery. 1 year warranty