HQRP Battery compatible with Dogtra BP-20R BP20R GP 20AAAAH3BMX 35AAAH3BMX fits 175NCP, 180NCP, 200NCP, 202NCP, 210NCP, NCP-175 NCP-180 NCP-200 NCP-202 NCP-210 Remote Controlled Dog Training Collar Receiver plus Coaster HQRP&reg; Rechargeable Battery plus HQRP&reg; Coaster; Battery Voltage: 3.6V; Capacity: 230 mAh; Ni-Mh; Compatible with Original Battery; 200 Days warranty!