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
10 Pack 6 Volt Pet Collar Batteries For PetSafe RFA-67 Replacement Battery 761344694644 | eBay
Petsafe 6V Alkaline Dog Collar Replacement Battery | Modern Home & Hardware
PetStandard Replacement Batteries for PetSafe RFA-67 (Pack of 10) - Walmart.com