Wentronic CAM f/ NP-BK1 800mAh Li-Ion. Battery technology: Lithium-Ion, Battery capacity: 800 mAh, Battery voltage: 3.7 V. Weight: 20 g, Width: 40 mm, Depth: 34.5 mm. Colour of product: Black, White. Dimensions (WxDxH): 40 x 34.5 x 7.1 mm