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Like Generic Drugs ... Identical or Better
Performance ... at a Fraction of the Cost!

Invisible Fence Brand® Compatible Batteries


Aftermarket 3V Lithium Replacement Batteries for Invisible Fence Brand Powercap®

  • R21®
  • R51®

All Series are Compatible

  • Titanium
  • Platinum
  • Graphite
  • Mink 

Made of ABS Thermo-Plastic with a Water-Tight Seal 

Virtually Identical in Form and Function to Invisible Fence Brand® Batteries 

Like Generic Drugs – Identical or Better Performance at a Fraction of the Cost

Shelf Life > 4 Years … Buy a 12-Pack and Realize Huge Savings! 

Made in the USA!

Battery Close-up
    You Pay
Regular Price

IFA-001   1-Pack

Qty: $9.95
IFA-001   2-Pack
Qty: $19.90
IFA-001   4-Pack Qty: $39.80
IFA-001   8-Pack Qty: $79.60
IFA-001   12-Pack Qty: $107.40
Free Shipping on Orders Greater Than $50
within Continental US and GREAT International Rates!

         Packaged replacement batteries battery for R21, R22, R51

 Perimeter Technologies is the only company offering a fully compatible product as replacement for OEM Invisible Fence batteries. This includes replacement batteries for R21, R22, R51 and MicroLite® invisible fence collars. Why not have a product better than the original for less!  You will not find a better replacement for the invisible fence collar battery.

We know you wouldn't trust the safety of your pet to just anyone. That's why Perimeter products are designed and manufactured in the United States by people who love their pets, just like you.

These Invisible Fence Collar Replacement Batteries

 are Simply the Best!

Comparison Chart

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