2x Pack - Dogtra 1900 NCP Battery - Replacement for Dogtra BP12RT Dog Training Collar Transmitter Battery (300mAh, 4.8V, NI-MH) Replacement Dogtra 1900 NCP Battery Replacement for Dogtra BP12RT Dog Training Collar Transmitter Batteries Quantity: 2, Lifetime Warranty Capacity: 300mAh, Upstart Battery Brand On Sale for a Limited Time!