Wentronic MP f/ NOK 9110/9110i (BLN-3) 1100mAh Li-Ion. Battery technology: Lithium-Ion (Li-Ion), Battery capacity: 1100 mAh, Battery voltage: 3.7 V. Weight: 48 g. Colour of product: Black. Dimensions (WxDxH): 57 x 55 x 11 mm