Century Accessory 2100mAh Replacement Battery For SamSung Galaxy Grand Duos i9082 Grand i9080 This replacement battery has an integrated microchip to prevent overcharging and to extend battery life Best replacement battery with long-time standby and talk time 2100mAh extra-high capacity, extra-long stand-by times Compatible with Samsung Galaxy Grand Duos i9082 i9080 Light weight, high capacity and low impedance