Amazon.com: Dog Training Collar Receiver Battery Replacement for Dogtra BP12RT - Dogtra 1200 NCP Battery (300mAh, 4.8V, NI-MH) : Pet Supplies
Dog Collar Battery Dc-1 For Dogtra 1100nc/c,1200nc/p,1202nc/p,1400ncp,1500ncp,1600ncp,1700ncp,175ncp,1800nc,1802nc,1803nc,1804nc - Digital Batteries - AliExpress
cameron sino 700mah battery for DOGTRA 1100NC Transmitter 1200NC Transmitter 1200NCP Transmitter 1202NC Transmitter|Digital Batteries| - AliExpress