Battery2go - 1 year warranty - 3.7V Battery For MITAC Mio Moov 405, T300-3, Mio Moov 400, 338937010172 Capacity: 750mAh / 2.78Wh Type: Li-ion Volts: 3.7V Size : 50.00 x 37.00 x 6.00mm Certificated with ISO9001, RoHS & CE;