What Kind Of Battery Does A PetSafe Collar Use?

What Kind Of Battery Does A PetSafe Collar Use? The PetSafe RFA-67 6V Replacement Battery 2-Pack are replacement batteries that work with the PetSafe bark collar, in-ground and wireless fence receiver collar systems. These batteries are waterproof and last 1-3 months, depending on use. Does Walmart carry PetSafe batteries? PetStandard Replacement Batteries for PetSafe RFA-67