HQRP Battery compatible with Dogtra 1600 Series, 1600NCP, 1602NCP, T&B Remote Controlled Dog Training Collar Transmitter 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!