Battery2go - 1 year warranty - 3.7V Battery For Magellan RoadMate 5120LMTX, RoadMate 5045TEU, RoadMate 5045 Capacity: 1050mAh Type: Li-ion Volts: 3.7V Size : 49.21 x 35.64 x 5.40mm Certificated with ISO9001, RoHS & CE;