Replacement batteries for PetSafe bark collars, in-ground and wireless electronic fence collars. Replaces Petsafe model RFA-67 battery. Please note, these are not the cheap Chinese knock-off batteries sold on Amazon and elsewhere. These modules contain the highest quality genuine lithium cell inside. They are manufactured by Trusted Pet, the most trusted name in high-quality pet products. These batteries are guaranteed to meet or exceed all applicable Petsafe OEM specifications. Compatible for Pet Safe RFA-67 batteries Petsafe fence collars (including Petsafe Wireless Instant fence), Petsafe bark collars and Petsafe remote training collars