Amazon.com: BlueDot Trading Single Pack 2CR1/3N Lithium Cell Replacement Battery 6.0V Low-Power Consumption for Dog Collar, Cameras, Calculators, Keyless Entry, and More : Automotive
Amazon.com: TopOne 2 PC 2CR1 3N 6V Lithium Battery for Use in Dog Collars and More : Electronics
Amazon.com: BlueDot Trading Single Pack 2CR1/3N Lithium Cell Replacement Battery 6.0V Low-Power Consumption for Dog Collar, Cameras, Calculators, Keyless Entry, and More : Automotive
Amazon.com : Enerpe 2CR1/3N 6 Volt Replacement Battery for Pet Stop, Dog Guard, Perimeter and Extreme Dog Collars 4-Pack : Enerpe : Pet Supplies