EZOPower High Capacity Extended Replacement Battery (3500mAh) + Black Cover for AT&T Samsung Infuse 4G i997 Brand new EZOPower for Samsung extended battery. Quantity: 1 Battery type: Lithium-Ion. Battery capacity: 3500mAh No memory loss effect. Black battery door included. Integrated microchip prevents overcharging & lengthens battery life Compatible with Samsung i997 Infuse 4G only.