Cameron Sino Rechargeble Battery for Drift HD170 (1050mAh/3.9Wh) Type: Li-ion, Volts: 3.7V, Capacity: 1050mAh/3.9Wh Dimension: 53.20 x 35.30 x 7.10mm, Weight: 40g All Products are Certificated with ISO9001, RoHS & CE 14 Days Money Back Guarantee and 12 Months Warranty