PetSafe RFA-67 Batteries Economy 8-Pack (8 batteries) Genuine replacement batteriesfor PetSafe in-ground and wireless fence receiver collars and bark collars 8-pack of RFA-67 6-volt batteries Compatable with: PIF-300, PIF-275-19, PUL-275, PIG00-13661, PBC-102, PBC-302, PDBC-300 and PUSB-300