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Perimeter Technologies

Six Pack Dog Fence Batteries for Invisible Fence R21 or R51 Receiver Collars by Perimeter Technologies

Name: Six Pack Dog Fence Batteries for Invisible Fence R21 or R51 Receiver Collars by Perimeter Technologies
Brand: Perimeter Technologies
SKU: 487643033
Price: 42 USD
Availability: InStock
Rating: 3.6 (9 reviews)

|9 ratings

Key item features

3-volt lithium-ion battery
Average battery life of 3-6 months
Rubber gasket provides a water tight seal
Tamper proof design with coin slot for battery removal

Specs

Pet radio & wireless fence type
Wireless Fence
Brand
Perimeter Technologies
Installation required
N
Power type
Battery
Material
Lithium
Animal type
Dog

Current price is $42.00

Price when purchased online

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Ships to

Arrives by Thu, Jun 25

Sold and shipped by ValueGroupie

4.630769230769231 stars out of 5, based on 65 seller reviews(4.6)

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About this item

Product details

3 volt lithium battery for the Invisible Fence brand collar. Each battery will last as long or longer the real Invisible Fence Brand PowerCap batteries. Compatible with all Invisible Fence Brand R21, R51 and MicroLite electronic dog fence receiver collars. The battery design was approved by the chief engineer at the Invisible Fence Company and are manufactured in a state of the art facility in Pennsylvania under his supervision.

3-volt lithium-ion battery
Average battery life of 3-6 months
Rubber gasket provides a water tight seal
Tamper proof design with coin slot for battery removal

info:

We aim to show you accurate product information. Manufacturers, suppliers and others provide what you see here, and we have not verified it.

Specifications

Pet radio & wireless fence type

Wireless Fence

Brand

Perimeter Technologies

Installation required

Power type

Battery

Warranty

Warranty information

Please be aware that the warranty terms on items offered for sale by third party Marketplace sellers may differ from those displayed in this section (if any). To confirm warranty terms on an item offered for sale by a third party Marketplace seller, please use the 'Contact seller' feature on the third party Marketplace seller's information page and request the item's warranty terms prior to purchase.

Warnings

Ingestion Hazard

This product contains a battery. Death or serious injury can occur if ingested. A swallowed battery can cause Internal Chemical Burn in as little as 2 hours. Keep new and used batteries OUT OF REACH OF CHILDREN. Seek Immediate medical attention if a battery is suspected to be swallowed or inserted inside any part of the body.

Customer ratings & reviews

3.6 out of 5 stars

stars9 ratings6 reviews

How item rating is calculated

Filtered and sorted results would be available on the new 'Customer ratings & reviews' page.

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Showing 1-3 of 6 reviews

Dec 29, 2025

Victor

Sold and shipped byValueGroupie

5 out of 5 stars review

Verified Purchase

Great Batteries

These batteries are the exact replacement for my Invisible Fence brand dog collars. The batteries fit perfectly and last as long as the originals. I recommend these and will purchase them again in the future.

Incentivized Review

Helpful?

Feb 8, 2026

Nancy

Sold and shipped byValueGroupie

5 out of 5 stars review

Verified Purchase

I like the length of battery life.

Incentivized Review

Helpful?

Feb 9, 2026

kathleen

Sold and shipped byValueGroupie

4 out of 5 stars review

Verified Purchase

Dog Fence Batteries for Invisible Fence R21-R51

Good value. Fast shipping

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Six Pack Dog Fence Batteries for Invisible Fence R21 or R51 Receiver Collars by Perimeter Technologies

Key item features

Specs

How do you want your item?

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