Cameron Sino Rechargeble Battery for Tomtom 4EN62. 4EN6.001.02 Type: Ni-MH, Volts: 3.7V, Capacity: 1020mAh/3.77Wh Dimension: 43.30 x 36.05 x 6.70mm, Weight: 60g All Products are Certificated with ISO9001, RoHS & CE 14 Days Money Back Guarantee and 12 Months Warranty