HQRP Battery for Ademco Honeywell LYNX Voice, LYNXR, LYNXR24, LYNXR24-SP Security System + HQRP Coaster HQRP&reg; Rechargeable Battery plus HQRP&reg; Coaster; Battery Voltage: 7.2V; Capacity: 800 mAh; Ni-CD; 100% compatible with Original Battery; 200 Days warranty!