Battery for Dogtra BP74T 2500B 2500T 2500TX 2502 2502B 3500NCP 3500T 3500B 800mA $25.89 $79.99 Dog Collar Battery for Dogtra BP74T 2500B Transmitter 2500T Transmitter Compatible with the following devices 2500B Transmitter, 2500T Transmitter, 2500T&B Transmitter, 2500TX Transmitter, 2502 T&B 1 Mile, 2502B Transmitter, 2502T Transmitter,... Add to Cart