Wentronic MP f/ NOK 3310/3510 (BLC-1) 1200mAh LiPol. Battery technology: Lithium Polymer (LiPo), Battery capacity: 1200 mAh, Battery voltage: 3.7 V. Weight: 36 g. Colour of product: White. Dimensions (WxDxH): 53 x 38 x 7.5 mm