HQRP 1500mAh Battery for MAGELLAN Maestro 4300 4350 4370 60.14G0T.001 SMPWGPS1 GPS Navigator + HQRP Coaster HQRP&reg; Rechargeable Battery plus HQRP&reg; Coaster; Battery Voltage: 3.7V; Capacity: 1500 mAh; Li-Ion; 100% compatible with Original Battery; 1 Year warranty!