HQRP Battery for SportDOG SDT00-11911, 650-104, DC-23, KINETIC MH250AAAN6HC Sport DOG Remote Training Transmitter Replacement + Coaster HQRP&reg; Rechargeable Battery plus HQRP&reg; Coaster; Battery Voltage: 7.2V; Capacity: 210 mAh; Ni-Mh; 100% compatible with Original Battery; 200 Days warranty!