Amazon.com: Synergy Digital Dog Collar Battery, Works with Dogtra 2300NCP Remote Dog Training sy Dog Collar, (Li-Pol, 7.4V, 500 mAh) Ultra Hi-Capacity, Compatible with Dogtra BP74T2 Battery : Pet Supplies
Dogtra DG-BP74R Dog Collar Battery | Remy Battery
Amazon.com : HQRP Battery Compatible with Dogtra 2300-NCP Advance, 2302-NCP Advance, 2500-T&B Remote Controlled Dog Training Collar Receiver : Pet Training Collars : Pet Supplies
Dogtra 2300-NCP Advance 2300NCP receiver 2300RX re Replacement Battery: BatteryClerk.com
Amazon.com : HQRP Battery Compatible with Dogtra 2300-NCP Advance, 2302-NCP Advance, 2500-T&B Remote Controlled Dog Training Collar Receiver : Pet Training Collars : Pet Supplies
Dog Collar Battery 7.4V/500mAh BP74T2 for Dogtra 1900S Transmitters,1902S, 2300NCP Transmitters,3500-NCP, 3502-NCP2300TX, 2302NCP
Dogtra 2300NCP Transmitter | Ships Free | Okie Dog Supply