Dogtra BP12RT and BP20R Dog Training Collar Transmitter and Receiver Battery Replacement - Compatible with Dogtra 300M, 302M, Surestim M Plus, 280 NCP, 7000M, 282 NCP, 200 NCP Gold, 175 NCP, BP12RT and BP20R, 7002M, 212 NCP, 210 NCP, 202 NCP Gold Replacement Dogtra Transmitter and Receiver Battery for 300M, 302M, Surestim M Plus, 280 NCP, 7000M, 282 NCP, 200 NCP Gold, 175 NCP, BP12RT and BP20R, 7002M, 212 NCP, 210 NCP, 202 NCP Gold BP20R Battery Capacity: 210mAh, Voltage: 3.6, Type: Nickel-Metal Hydride BP12RT Battery Capacity: 300mAh, Voltage: 4.8, Type: Nickel-Metal Hydride Lifetime Warranty On Sale for a Limited Time!