2x Pack - Dogtra 200 NCP Gold Transmitter and Receiver Battery - Replacement for Dogtra BP12RT and BP20R Dog Training Collar Battery Replacement Dogtra 200 NCP Gold Transmitter and Receiver Battery Replacement for Dogtra BP12RT and BP20R Dog Training Collar Batteries Quantity: 2 BP12RT, 2 BP20R, Lifetime Warranty Capacity: BP12RT (300mAh), BP20R (210mAh), Upstart Battery Brand On Sale for a Limited Time!