Cameron Sino Rechargeble Battery for Tomtom KM1 Type: Ni-MH, Volts: 3.7V, Capacity: 700mAh Dimension: 35.00 x 35.00 x 5.00mm, Weight: 60g All Products are Certificated with ISO9001, RoHS & CE 14 Days Money Back Guarantee and 12 Months Warranty