Shop for 6-Volt Battery (2-Pack) by PetSafe - RFA-67D-11
PetSafe RFA-67D-11 6V Battery for PIF-275-19 PUL-275 Dog Fence Collars | eBay
Amazon.com : PetSafe RFA-67 6 Volt Replacement Batteries - 2 Pack - Compatible with PetSafe 6V Lithium Battery-Operated Pet Products and Specific Dog Receiver Collars - RFA-67D-11, Black : PetSafe : Barking Deterrent Collars : Pet Supplies