GP Batteries PowerBank V600D + 4 x 2700 mAh, Premium Series. Input voltage: 12/100 / 230 V, Input frequency: 50/60 Hz, Output current: 1.1 A. Battery type: 4xAA/AAA, Battery recharge time: 1 h, Battery capacity: 2700 mAh. Colour of product: Black. Dimensions (WxDxH): 126 x 38 x 89.5 mm