Wentronic CAM f/ NP-F730/F720 4400mAh Li-Ion. Battery technology: Lithium-Ion, Battery capacity: 4400 mAh, Battery voltage: 7.2 V. Weight: 0.188 kg, Width: 38 mm, Depth: 71 mm. Colour of product: Black. Dimensions (WxDxH): 38 x 71 x 39 mm