Amazon.com: Synergy Digital Dog Collar Batteries, Compatible with Dogtra Quail Launcher QL Series Dog Collar, (Ni-MH, 4.8V, 400 mAh), Combo-Pack Includes: 3 x DC-1 Batteries : Electronics
Cameron Sino 950mah Battery For Sportdog Bird Launcher Receiver Contain Df-ct Df-ctr Train Receiver Sportdog Sac00-16365 - Digital Batteries - AliExpress