Replacement Lithium 6 Volt Battery | PetSafe RFA 67
Amazon.com: Enerpe RFA-67 RFA-67D-11 6V Replacement Battery Long-Lasting & High Capacity Compatible with PetSafe Electronic Collars Pack of 4 : Health & Household
PetStandard Replacement Batteries for PetSafe RFA-67 (Pack of 10) - Walmart.com
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