Wentronic CAM f/ NP-F750 4000mAh Li-Ion. Battery technology: Lithium-Ion, Battery capacity: 4000 mAh, Battery voltage: 7.4 V. Weight: 182 g, Width: 38 mm, Depth: 71 mm. Colour of product: Grey. Dimensions (WxDxH): 38 x 71 x 39 mm