Battery Kit for SportDOG SportHunter Dog Collar Receiver and Transmitter, ST-120 | eBay
Replacement SportDOG 650-059 Dog Collar Battery | Battery Mart
SportDOG SD-1825 Trainer Receiver Dog Collar Battery (Li-Pol, 7.4V, 200 mAh) Battery - Replacement for SportDOG SAC00-12544 Battery - Walmart.com
SPORTDOG 350 Series Transmitter Battery Replacement Kit - Chewy.com
Amazon.com : Replacement for SportDog Field Trainer SD-400 Receiver Battery - Replacement for SportDog DC-17 Dog Training Collar Battery (150mAh 4.8V NI-MH) : Upstart Battery : Pet Supplies