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Four Pack Dog Fence Batteries for Invisible Fence R21 or R51 Receiver Collars

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Regular Price: $76.00
Our Price: $35.80
You Save: $40.20 (53 %)
In Stock Now
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These are  aftermarket 3.0 volt lithium replacements for the Invisible Fence brand Powercap dog fence battery.  They are compatible with all Invisible Fence Brand R21, R51, or MicroLite electronic dog fence receiver collars.  All series are compatible, including Titanium, Platinum, Graphite, and Mink versions.  We guarantee our replacement dog fence batteries will provide stable power which will last just as long as the overpriced Powercap invisible fence batteries from your local Invisible Fence dealer.
Each year, we sell several thousand of these dog fence batteries with many repeat customers all over the United States.  They perform at least as well as Invisible Fence brand Powercaps and will not affect the warranty on your Invisible Fence brand dog fence collars.
Why are these batteries so good?  The design was personally approved by the former Chief Engineer at Invisible Fence Company - the same person who designed the original PowerCap himself.  Additionally, they are built under his direct supervision in a state-of-the-art manufacturing facility in Pennsylvania.  That's right - they're NOT made in China, like Invisible Fence by Petsafe.

Invisible Fence Battery Receiver Graphic

Condition: New
UPC: 617529331180
Item Number: PIB-003-4
Manufacturer: Perimeter Technologies
Manufacturer Part No: PIB-003-4
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Product Reviews

(13 Ratings, 5 Reviews) Average Rating:
Awesome battery
Kevin (Lebanon, OH) 6/28/2014 12:41 PM
Awesome battery and great price. They last consistently 6-7 months.
Works just fine!
Glenn (Tallahassee, FL) 7/24/2011 1:06 PM
Ordering these batteries for the second time from Pet Stuff Warehouse. My last 2 sets of batteries lasted about 4 months each which is better than the original Invisible Fence batteries I had been getting from my local dealer and these cost much less. I received my batteries via US Postal service in 2 days after ordering them and their were no shipping charges either. Great company selling great products! Glad I found Pet Stuff Warehouse!
randy tollison (cassatt, SC) 7/7/2011 5:18 PM
ordered on 7-5-11 recieved 07-07-11 free shipping work better than the high priced ones good deal will be buying more stuff from them. randy
Good deal
Wayne (Westchester, Pa) 4/20/2010 11:14 AM
Batteries work perfectly, cost less than half the dealer price. Also made in my home state. Shipped quick and securely.
Hector (Houston, TX) 10/19/2009 5:28 PM
Batteries work great

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Our Price: $33.50
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Spring Post Refreshment Kit for Invisible Fence MicroLite Dog Fence Receivers
This kit includes all you need to make your Invisible Fence brand Microlite dog fence Collar look & perform like new. Our Dealer Quality pet fence accessories are designed & manufactured to fit perfectly and deliver lasting performance.
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