HQRP Battery compatible with Sportdog WetlandHunter 2000-CAMO model SD-2000CAMO SR200-IW Remote Controlled Dog Training Collar Receiver plus Coaster HQRP&reg; Rechargeable Battery plus HQRP&reg; Coaster; Battery Voltage: 4.8V; Capacity: 750 mAh; Ni-Mh; 100% compatible with Original Battery; 200 Days warranty!