Our replacement batteries may be used with any of our dog fence receivers. If you own an Invisible Fence® brand system, please view our Invisible Fence® compatible products for replacement batteries.
Perimeter Brand Replacement Battery
Replacement Battery for Comfort Contact Pet Fencing Collar Learn More
Wifi Fence Replacement Battery
Replacement lithium rechargeable battery for use with the Perimeter WiFi Wire Free dog fence collar as well as in the base station as a battery back-up. Learn More
Invisible Fence® Compatible
Perimeter Technologies is the only company offering a fully compatible range of products as replacement for OEM Invisible Fence® brand products. This range includes replacement collar receivers for both 7K and 10K frequencies as well as replacement batteries for R21, R22, R51 and MicroLite® receivers. Why not have a product better than the original for less!Buy Replacements