Description
xReliable, affordable battery replacements for Invisible Fence collars
If your Invisible Fence receiver is part of your daily routine, you want a solution that’s dependable and budget-friendly. Perimeter Technologies Four Pack Battery Set offers compatible replacements for R21, R22, R51, and Microlite collars, delivering solid power without paying a premium for brand-name parts.
- Compatible and straightforward: a direct replacement for the R21, R22, R51, and Microlite models with a snug fit and steady performance.
- Engineered for longevity: new and improved Japanese lithium-ion cells provide high energy density for longer use between charges.
- Lightweight design: energy-dense cells help keep the collar lightweight, contributing to your dog’s comfort during walks and training.
- Durable and safe: robust components and a water-sealed design aimed at reliable performance in outdoor conditions.
Durability matters when your dog spends time outdoors, and these batteries are built with that in mind. The waterproof seal helps protect the internals when the collar faces moisture or wet weather, while the enhanced energy density supports longer intervals between replacements. The result is a practical balance of power, weight, and resilience that fits into real-life routines without adding unnecessary complexity.
- Waterproof sealing helps guard against moisture exposure, reducing potential corrosion over time.
- Cost-effective multi-pack: a four-pack means fewer trips to the store and more predictable budgeting for replacement parts.
- Value-driven choice: Perimeter Technologies offers a dependable alternative to higher-cost brand batteries while maintaining compatibility with trusted collar models.
In everyday use, plan for ordinary routines like daily yard checks, weekend adventures, and occasional collar swaps. With a four-pack on hand, you’re prepared for routine battery changes between walks, training sessions, or seasonal maintenance. While results can vary with use, many dog owners appreciate the straightforward replacement workflow and the feeling of readiness that comes with having compatible, high-quality power on hand. If you’re seeking a practical, lower-cost option to keep your Invisible Fence system running smoothly, this four-pack provides a credible, no-nonsense choice that emphasizes compatibility, durability, and value.
Why choose Perimeter Technologies
Perimeter Technologies emphasizes practical, tested components designed to support compatible Invisible Fence collars. This four-pack approach focuses on delivering dependable power with an emphasis on longevity, lightweight design, and waterproofing. It’s a sensible option for pet guardians who want to reduce ongoing replacement costs while maintaining consistent performance for their dog’s boundary system.
FAQ
Q: Which receiver collars are compatible with these batteries?
A: Compatible with Invisible Fence R21, R22, R51, and Microlite receiver collars.
Q: What are the advantages of using Perimeter Technologies batteries?
A: Cost-effective, high energy density lithium-ion cells deliver longer life and lighter weight for your dog’s collar.
Shipping & Return
xReturns Policy
You may return most new, unopened items within 30 days of delivery for a full refund. We'll also pay the return shipping costs if the return is a result of our error (you received an incorrect or defective item, etc.).
You should expect to receive your refund within four weeks of giving your package to the return shipper, however, in many cases you will receive a refund more quickly. This time period includes the transit time for us to receive your return from the shipper (5 to 10 business days), the time it takes us to process your return once we receive it (3 to 5 business days), and the time it takes your bank to process our refund request (5 to 10 business days).
If you need to return an item, simply login to your account, view the order using the "Complete Orders" link under the My Account menu and click the Return Item(s) button. We'll notify you via e-mail of your refund once we've received and processed the returned item.
Shipping
We can ship to virtually any address in the world. Note that there are restrictions on some products, and some products cannot be shipped to international destinations.
When you place an order, we will estimate shipping and delivery dates for you based on the availability of your items and the shipping options you choose. Depending on the shipping provider you choose, shipping date estimates may appear on the shipping quotes page.
Please also note that the shipping rates for many items we sell are weight-based. The weight of any such item can be found on its detail page. To reflect the policies of the shipping companies we use, all weights will be rounded up to the next full pound.
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