HQRP Battery for PetSafe Yard & Park RFA-417, PAC00-12159 Replacement 887774681174 | eBay
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 - Walmart.com
PETSAFE Stay & Play Wireless Fence with Replaceable Battery Collar - Chewy.com
PetStandard Replacement Batteries for PetSafe RFA-67 (Pack of 10) - Walmart.com
High Tech Pet PetSafe Compatible RFA-67 6-Volt Replacement Battery (2-Pack) RFA-67-2P - The Home Depot