HQRP Battery compatible with Dogtra 40AAAM6YMX, BP-15, BP15RT, DC-7, EDT102 Replacement plus Coaster HQRP&reg; Rechargeable Battery plus HQRP&reg; Coaster; Battery Voltage: 7.2V; Capacity: 300 mAh; Ni-Mh; 100% compatible with Original Battery; 200 Days warranty!