Wentronic MP f/ MOT T2288/V2288 800mAh Ni-MH. Battery technology: Nickel Metal Hydride, Battery capacity: 800 mAh, Battery voltage: 3.7 V. Weight: 42 g, Width: 31 mm, Depth: 50 mm. Colour of product: Green. Dimensions (WxDxH): 31 x 50 x 10 mm