HQRP Battery for Sportdog Wetland-Hunter 2000-CAMO SD-2000CAMO Remote Controlled Dog Training Transmitter plus Coaster HQRP&reg; Rechargeable Transmitter Battery plus HQRP&reg; Coaster; Battery Voltage: 7.2V; Capacity: 330 mAh; Ni-Mh; 100% compatible with Original Battery; 200 Days warranty!