PetSafe/SportDOG RFA-67 Lithium Batteries (2-Pack)*DESCRIPTION:The PetSafe RFA-67 batteries are compatible with a number of Petsafe and SportDOG Bark Control Collars, Radio Fence Collars and In-Ground Fence collars. The batteries have a 3-6 month battery life (on average - depending on use)>> Compat..