Wentronic MP f/ NOK 3310/3330 (BMC-3) 1650mAh Li-Pol. Battery technology: Lithium Polymer (LiPo), Battery capacity: 1650 mAh, Battery voltage: 3.7 V. Weight: 45 g. Colour of product: White. Dimensions (WxDxH): 53 x 38 x 9.5 mm