Ultra Thin 3200mAh Portable Rechargeable External Backup Battery USB Charger Case Cover Emergency Power Bank Pack with PU Leather Stand Flip Case for Samsung Galaxy S3 i9300 (black) Capacity: 3200mah Output voltage: 5V Output current: 750~800mah DC charging time: 4H With 4 LED power indicators: 25% 50% 75% 100% Color: white Great for Samsung Galaxy S3 SIII i9300