Amazon.com : Dog Training Collar Transmitter Battery Replacement for Dogtra 1900 NCP - Compatible with Dogtra BP12RT (300mAh, 4.8V, NI-MH) : Pet Supplies
BP12RT Transmitter and BP20R Receiver Battery Compatible with Dogtra 300M, 302M, YS500, SureStim M Plus Dog Training Collars|Replacement Batteries| - AliExpress
Battery DOGTRA Receiver 7100 – SMAVtronics
Dogtra BP-74R Battery | K9 Electronics
Replacement Battery for Dogtra Dog Collars - Battery Warehouse
Dogtra Battery Packs BP37P1300 (3.7V, 1300mA) | On Sale | HealthyPets
Amazon.com : Dog Training Collar Receiver Battery Replacement for Dogtra BP20R - Dogtra 280NCP Platinum Battery (210mAh, 3.6V, NI-MH) : Pet Supplies
Dogtra 210NCP Replacement Battery - DC-20 - Dog Collar Batteries - Watch Batteries - AA AAA batteries - Rechargeable Batteries - Discount Batteries - Shipped Free in US