Ultra-thin Backup Battery Case Cover for Samsung Galaxy S3 III I9300 NEW 2200MAH Ultra-thin Backup Battery Case Cover For Samsung Galaxy S3 III i9300 Capacity : 2200mAh Output Voltage : 5V Output Current : 500mAh Input Voltage : 5V Input Current : 500mAh Weight : 6.4 oz Dimension : 16*10*2.5 cm Compatibility : Samsung Galaxy S3 SIII i9300