New Petsafe RFA-18 6V Replacement Alkaline Battery. | eBay
PET STANDARD RFA-67 Replacement 6V Batteries for PetSafe Collars, 10 pack - Chewy.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 - Amazon.com
PetSafe 6 Volt Lithium Battery, Model Rfa-67D-11 2 pk - Feeders Pet Supply
PetSafe RFA-18-11 Alkaline Battery D&B Supply
PetSafe RFA-18-11 Alkaline Battery D&B Supply
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
Vinnic 4LR44 L1325 476A 6V High Voltage Alkaline Battery