Invisible Fence Collar Battery Replacement
Product Overview
When your invisible fence collar starts showing low battery signs, having a reliable replacement battery is a must. The Perimeter Technologies Invisible Fence Collar Battery (2 Pack) offers just that—compatible replacement batteries designed for Invisible Fence brand receiver collars including R21, R22, R51, and Microlite models. These batteries use advanced lithium-ion technology to provide strong energy density while keeping the collar lightweight for your dog’s comfort. Plus, this pack includes an extra bonus—an eOutletDeals Pet Towel to keep your furry friend cozy after a wash or playtime.
Perimeter Technologies Invisible Fence Collar Battery – Brand Compatible – Includes eOutletDeals Pet Towel (2 Pack)
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Key Takeaways
- Compatible with popular Invisible Fence collar models (R21, R22, R51, Microlite)
- Uses advanced lithium-ion technology for longer life and lightweight design
- Waterproof seal keeps battery safe during outdoor use
- Includes a useful pet towel accessory for grooming needs
- Some users note the collar seal must be secured tightly to maintain waterproofing
Why You Might Need Invisible Fence Collar Battery Replacement
If you rely on an invisible fence system to keep your dog safe and contained, your collar’s battery is critical. When the battery starts to fail, your pet might no longer receive the signal needed to stay within the boundary. This puts your furry friend at risk of running off or into danger. Having a compatible replacement battery like this one ensures uninterrupted protection and peace of mind. Additionally, a lightweight battery that won’t add bulk to the collar means your dog can stay comfortable without extra weight pulling on their neck.
First Impressions: What to Expect
When you order this battery pack, you get two batteries and a bonus pet towel. Both batteries feel sturdy and well-made. The packing is minimal but protective, ensuring the batteries arrive ready to install immediately. The pet towel is a nice surprise, soft and absorbent—great for after outdoor play or bath time.
The batteries snap right into your existing collars with no complicated setup. Each battery has tight rubber seals that keep moisture out. The sleek design matches the original battery shape exactly. It’s clear Perimeter Technologies put effort into making these a smooth replacement option for invisible fence collars.
Specs at a Glance
| Feature | Details |
|---|---|
| Battery Type | Lithium-ion |
| Compatibility | Invisible Fence models: R21, R22, R51, Microlite |
| Number of Batteries | 2 |
| Waterproof | Yes, with rubber seal when installed properly |
| Extras Included | eOutletDeals Pet Towel |
| Energy Density | High, for longer battery life |
| Weight | Lightweight |
Perimeter Technologies Invisible Fence Collar Battery Specs
Design & Build Quality
The Perimeter Technologies Invisible Fence Collar Battery feels solid and well-engineered. The lithium-ion cells inside provide excellent energy density while keeping the weight low—it won’t make your dog uncomfortable wearing the collar for long periods. The battery housing is designed to slide easily into the receiver collar models it supports.
A key design feature is the rubber waterproofing seal. When installed correctly, this seal creates a tight barrier that prevents water from damaging the battery, even if your dog gets caught in rain or wades through water. One customer review summed up the reliability well: “The battery slipped right into my Invisible Fence collar without any hassle. The waterproof seal is tight, so I don’t worry about my dog getting wet on walks.”
The pack’s inclusion of two batteries means you can always have a spare charged up and ready. This is a thoughtful touch for active pet owners who don’t want downtime due to a dead battery.
Real-World Performance
In daily use, these batteries live up to their promise of reliable, long-lasting power. They replace the original batteries in your Invisible Fence collar seamlessly. One user shared that after switching to these batteries, their collar’s signal strength and rotational charging indicator functioned perfectly as before, ensuring the fence boundary works without interruption.
What stands out is how the battery maintains its waterproof qualities in practical situations. Whether your dog is rolling in the grass, crossing shallow streams, or caught in unexpected showers, the collar continues working without battery-related failures.
Also, the lightweight design is a real benefit. Dogs wearing these collars didn’t seem to notice any added bulk or discomfort, which can sometimes happen with older, heavier batteries.
Reliable Invisible Fence Battery in Action
What Makes It Stand Out?
When comparing this Perimeter Technologies battery pack to alternatives, a few features stand out. First, many competing batteries for invisible fences are generic models that don’t prioritize lightweight design or waterproofing. This pack uses lithium-ion cells known for their high energy density, which means your dog’s collar stays lighter.
Compared to standard alkaline batteries or other non-lithium options, these also offer improved durability and safety. The factory-installed rubber seal creates a more secure waterproof barrier than many aftermarket replacements. Some competitors lack this feature, making those batteries prone to water damage.
Brands like Invisible Fence itself offer replacement batteries but often at narrower compatibility or with fewer added accessories. This pack’s inclusion of a pet towel also adds practical value for pet owners, going beyond just battery replacements.
Strengths vs. Trade-Offs
| ✅ Strengths | ❌ Trade-Offs |
|---|---|
| Compatible with multiple Invisible Fence collar models | Requires careful sealing to maintain waterproof |
| Advanced lithium-ion tech for lighter weight and power | Initial setup demands precise installation |
| Waterproof when sealed properly | May not fit other collar brands |
| Includes useful pet towel accessory | Not rechargeable (disposable replacement) |
| Two batteries included for backup readiness |
Battery Pack Plus Pet Towel Combo
Who Is It For?
This battery pack is a smart choice if you own an Invisible Fence system collar in the R21, R22, R51, or Microlite models. It suits pet parents who prioritize fuss-free maintenance and want a reliable power source for their dog’s containment collar.
Active dog owners who take their pets outdoors regularly will appreciate the waterproof seal and lightweight design that prioritize comfort and durability. It’s also great for those who want to keep a spare battery ready to avoid interruptions in fence function.
If you manage multiple collars, the two-pack ensures you have enough replacements for more than one collar or a quick swap when needed. The included pet towel is a thoughtful bonus for those who groom or frequently bathe their pets.
Expert Advice to Maximize Results
To get the most from your Perimeter Technologies Invisible Fence Collar Battery, always ensure the rubber seal is firmly in place when installing the battery. Take the collar apart carefully and avoid forcing the battery in to prevent damaging the seal.
Keep a fresh battery charged and on hand. Swapping batteries right when you notice the collar’s warning signals can prevent service interruptions.
Also, check your collar’s contacts regularly for dirt or corrosion as this can impact battery performance. Clean gently with a dry cloth if needed.
Use the included pet towel to keep your dog comfortable and dry after playtime. Regular grooming helps your pet feel good, which supports a more cooperative training and containment experience.
Keep Your Dog Cozy with the Included Pet Towel
FAQ
Q1: Will these batteries fit all Invisible Fence collars?
A1: These batteries are designed specifically for Invisible Fence models R21, R22, R51, and Microlite. Compatibility with other models or brands is not guaranteed.
Q2: Are these batteries rechargeable?
A2: No, the Perimeter Technologies batteries are lithium-ion replacements but are not rechargeable. They are disposable after use and should be replaced accordingly.
Q3: How waterproof are these batteries?
A3: When the battery is sealed properly inside the collar using the tight rubber waterproofing seal, it remains waterproof. This helps protect against rain, splashes, and outdoor moisture.
Q4: What is the estimated battery life?
A4: Lithium-ion technology offers extended durability compared to standard batteries. Though exact lifespan varies by collar use and environment, users report reliable performance lasting weeks to months.
Q5: Does the product come with accessories?
A5: Yes, this set includes two batteries and an eOutletDeals Pet Towel, a handy bonus for pet care.
Q6: How easy is installation?
A6: Installation is straightforward—remove the old battery, fit this replacement ensuring the waterproof seal clicks into place, and reassemble. No special tools are needed.
Q7: Will the battery affect the collar’s weight?
A7: These batteries are lightweight due to advanced lithium-ion technology, meaning the collar remains comfortable for your dog to wear.
Verdict
The Perimeter Technologies Invisible Fence Collar Battery (2 Pack) offers a dependable replacement option for your Invisible Fence system collars. Its advanced lithium-ion cells provide strong power in a lightweight, waterproof design. Plus, the included pet towel is a thoughtful bonus for pet owners. If you want to maintain your dog’s secure boundary with minimal fuss and reliable performance, this battery pack is a solid choice.
