Amazon.com : Dog Training Collar Transmitter Battery Replacement for Dogtra 1900 NCP - Compatible with Dogtra BP12RT (300mAh, 4.8V, NI-MH) : Pet Supplies
Dogtra 1900NCP collar Dog Collar and Fence Battery at Batteries Plus
2x Pack - Dogtra 1900 NCP Battery - Replacement for Dogtra BP12RT Dog Training Collar Receiver Battery (300mAh, 4.8V, NI-MH) - Walmart.com
HQRP Battery for Dogtra 1900 Series 1900-NCP 1902-NCP Receiver 887774057597 | eBay
Amazon.com: Synergy Digital Dog Collar Battery, Compatible with Dogtra 1900NCP Transmitter Dog Collar Battery Combo-Pack Includes: 2 x SDDC-H1102 Batteries : Electronics
Battery suitable for Dogtra Receiver 1900NCP - 300 mAh 4.8 V battery - BatteryUpgrade