Cameron Sino Rechargeble Battery for Nokia BL-4C (550mAh/2.04Wh) Type: Li-ion, Volts: 3.7V, Capacity: 550mAh/2.04Wh Dimension: 53.00 x 34.00 x 4.80mm, Weight: 26g All Products are Certificated with ISO9001, RoHS & CE 14 Days Money Back Guarantee and 12 Months Warranty