Samsung Infuse 4G Extended 3500 mAh Battery Charger Wall Travel External Dock SGH-i997 AT&T Brand New generic & high quality Battery Charger Smart LED indicator shows charging status. Charger is designed with a foldable A/C plug that charges your cellphone battery anywhere Quick charge with automatic constant current control prevents battery from overcharging, short circuit, and electronic shock Compatible with: Samsung Infuse 4G SGH-i997