Cameron Sino Rechargeble Battery for Toshiba Gigabeat MES30VW Type: Ni-MH, Volts: 3.7V, Capacity: 1000mAh Dimension: 53.18 x 34.23 x 4.26mm, Weight: 50.0g All Products are Certificated with ISO9001, RoHS & CE 14 Days Money Back Guarantee and 12 Months Warranty