Vinnic L1325, RFA-18, A28PX, 4LR44, A544, PX28A, 4G13 6V Alkaline Battery for Dog Collars and Barking Control Systems - GN Batteries & Electronics Inc.
Amazon.com: HQRP 2-Pack 6-Volt Battery Compatible with PetSafeRFA-18 RFA-18- 11 PBC19-11043 PBC00-12724 PBC19-13095 Bark Control Receiver Dog Collar : Pet Supplies
Amazon.com: HQRP 4-Pack 6-Volt Battery Compatible with PetSafe RFA-18 RFA-18 -11 PBC19-11043 PBC00-12724 PBC19-13095 Bark Control Receiver Dog Collar : Health & Household
PetSafe Alkaline 6-Volt Battery RFA-18-11 (SET OF 2) | 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
PetSafe RFA-18-11 6V Alkaline Replacement Battery
PetSafe 6 Volt Batteries - 2 pack RFA-18-11 - CountrysidePet.com