Amazon.com : Dog Training Collar Transmitter Battery Replacement for Dogtra 1900 NCP - Compatible with Dogtra BP12RT (300mAh, 4.8V, NI-MH) : Pet Supplies
Brand New Dogtra 1900NCP with extra batteries Field Star Series Training System
Collar Clinic: Reconditioned Dogtra 1900NCP
Amazon.com : Kastar 2-Pack 4.8V 500mAh Ni-MH Rechargeable Battery Replacement for Dogtra BP12RT Dog Training Collar Receiver and 1900 NCP, 1902 NCP, 300M, YS500, SureStim H Plus, 1900 NCP, 302M and More
Amazon.com : Dog Training Collar Transmitter Battery Replacement for Dogtra 1900 NCP - Compatible with Dogtra BP12RT (300mAh, 4.8V, NI-MH) : Pet Supplies