HQRP Battery for GARMIN Zumo 400, 450, 500, 500 Deluxe, 550, 010-10863-00, 011-01451-00 GPS Navigator + HQRP Coaster HQRP&reg; Rechargeable Battery plus HQRP&reg; Coaster; Battery Voltage: 3.7V; Capacity: 1800 mAh; Li-Ion; 100% compatible with Original Battery; 1 Year warranty!