Extreme Dog Fence
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Invisible Fence Collar Replacement Battery - New Improved Ultra Life Battery for Invisible Fence Brand Electric Dog Fence Collars (R21, R22, R51, Microlite, Computer Collar) - 4 Pack
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Invisible Fence Collar Replacement Battery - New Improved Ultra Life Battery for Invisible Fence Brand Electric Dog Fence Collars (R21, R22, R51, Microlite, Computer Collar) - 4 Pack
Reliable and compatible lithium batteries designed to power your Invisible Fence collar with improved battery life.
Invisible Fence Collar Replacement Battery - New Improved Ultra Life Battery for Invisible Fence Brand Electric Dog Fence Collars (R21, R22, R51, Microlite, Computer Collar) - 4 Pack
Item #: 89031803

Invisible Fence Collar Replacement Battery - New Improved Ultra Life Battery for Invisible Fence Brand Electric Dog Fence Collars (R21, R22, R51,

Item #: 89031803

USD 42

Price Details

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*All items will import from US

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Order now and get it around Sunday, August 16
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Reliable and compatible lithium batteries designed to power your Invisible Fence collar with improved battery life.
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What Stands Out

Long-lasting Battery
The Ultra Life Battery offers extended durability, ensuring your dog's collar remains functional for longer periods, reducing the need for frequent replacements.
Compatibility
Designed specifically for Invisible Fence brand collars, including models R21, R22, R51, Microlite, and Computer Collar, guaranteeing a perfect fit and optimal performance.
Value Pack
This 4-pack provides excellent value, ensuring you have multiple replacements on hand, allowing for uninterrupted use of your dog's electric fence system.

Product Details

Shop Invisible Fence Collar Replacement Battery - New Improved Ultra Life Battery for Invisible Fence Brand Electric Dog Fence Collars (R21, R22, R51, Microlite, Computer Collar) - 4 Pack online at a best price in Palau. B07GDRG9FV
Number of Batteries1 A batteries required.
BrandExtreme Dog Fence
UPC008523909817
ManufacturerExtreme Dog Fence
Antenna LocationGPS
Battery Capacity170 Milliamp Hours
Voltage3 Volts
ReusabilitySingle Use
Amperage3 Amps
Unit Count4 Count
Battery Weight5 Grams
Item Weight0.01 Ounces (0.28 grams)
Battery Cell TypeLithium Ion
Package Dimensions 5.12 x 3.03 x 0.87 inches (13 x 7.7 x 2.2 cm); 0.01 ounces (0.28 grams)
Battery Cell CompositionLithium Ion
Recommended Uses For ProductGPS

Dangerous Goods

To avoid the delay in customs clearance process for Dangerous Goods, the shipment shall be opened at our warehouse facility to check the severity of hazardous components. Please see the list of Dangerous goods here.

Who Should Buy?

Suitable For
  • Dog Owners

    Ideal for pet owners using Invisible Fence systems to ensure consistent power for their dog's collars.

  • Frequent Travelers

    Perfect for users needing reliable batteries for extended trips, maintaining collar functionality while away.

  • Budget-Conscious Shoppers

    A cost-effective solution with a 4-pack option making it economical for long-term use.

Not Suitable For
  • Non-Dog Owners

    Not suitable for individuals without dogs, as the batteries cater specifically to pet collar needs.

Product Description

Invisible Fence Collar Replacement Battery - New Improved Ultra Life Battery for Invisible Fence Brand Electric Dog Fence Collars (R21, R22, R51, Microlite, Computer Collar) - 4 Pack

Have any Query? Chat with us

Customer Questions & Answers

  • Question: What are the compatible collar models for the Invisible Fence Collar Replacement Battery?

    Answer: The Invisible Fence Collar Replacement Battery is specifically designed to be compatible with models R21, R22, and R51. This ensures that you can seamlessly replace your old battery without worrying about fit or functionality. Utilizing this reliable replacement will help maintain optimal performance for your electric dog fence system, allowing your pet to enjoy a safe and controlled outdoor experience.
  • Question: How long does the Invisible Fence Collar Replacement Battery last?

    Answer: The New Improved Ultra Life Battery is engineered for extended use, providing a longer lifespan compared to standard batteries. Depending on usage, factors such as your dog's activity levels and the environmental conditions can influence battery life. Typically, you can expect several months of reliable performance, ensuring your pet's safety remains uninterrupted and allowing them to roam freely in designated areas.
  • Question: Is the replacement battery waterproof?

    Answer: Yes, the Invisible Fence Collar Replacement Battery is designed to be waterproof, making it suitable for various weather conditions. This feature is particularly important as it ensures the battery functions properly even during rain or wet outdoor activities. It helps maintain the safety system's integrity, allowing your dog to enjoy outdoor freedom without the battery's performance being compromised by moisture.
  • Question: How do I install the Invisible Fence Collar Replacement Battery?

    Answer: Installing the Invisible Fence Collar Replacement Battery is straightforward and can be done quickly. First, ensure the collar is turned off for safety. Open the battery compartment according to the manufacturer's instructions, remove the old battery, and insert the new battery, ensuring the terminals match. Close the compartment securely to maintain the collar's performance. This ensures that your dog's collar is back to optimal function in no time.
  • Question: Can I check the battery status of my dog's collar?

    Answer: Yes, many Invisible Fence collar models come with a battery indicator light or an alert system to notify you when the battery is running low. If your collar lacks this feature, regular checks by removing the battery can help ensure optimal performance and timely replacements. Understanding your battery status is crucial for keeping your pet safe and aware of their surroundings while using the electric fence.
  • Question: What should I do if my collar stops working after replacing the battery?

    Answer: If your collar doesn’t work after installing the Invisible Fence Collar Replacement Battery, first ensure that the battery is correctly installed with the terminals aligned properly. Additionally, check for any corrosion or damage in the battery compartment. If these checks do not resolve the issue, consider consulting the user manual for troubleshooting tips or contacting customer support for specific guidance, ensuring your collar is back to normal operation.
  • Question: Are there any tips for maintaining the battery life of my Invisible Fence collar?

    Answer: To maximize your Invisible Fence collar battery life, keep the collar clean and free from dirt to ensure optimal contact between the battery and terminals. Avoid exposing the collar to extreme temperatures or excessive moisture whenever possible. Regularly monitoring the battery status will also help ensure timely replacements, thus allowing your pet to maintain their freedom without interruption due to low battery issues.
  • Question: What makes the Ultra Life Battery an improvement over previous versions?

    Answer: The Ultra Life Battery offers enhanced longevity and reliability compared to previous models. Improved power efficiency means it can handle the demands of active dogs better, providing a consistent performance in various conditions. Investing in this improved battery means fewer replacements and enhances the overall function of the Invisible Fence system, giving you peace of mind regarding your pet's safety while they enjoy outdoor play.
  • Question: How can I tell when it's time to replace the battery?

    Answer: You should replace the Invisible Fence Collar Replacement Battery when the indicator light shows low battery status or the collar fails to consistently activate. Additionally, any noticeable decrease in the collar’s effectiveness, such as reduced signal range, can signal battery depletion. By being proactive and watching for these signs, you can ensure your dog remains safely within designated boundaries, making outdoor adventures worry-free.
  • Question: Where can I buy the Invisible Fence Collar Replacement Battery in Palau?

    Answer: You can purchase the Invisible Fence Collar Replacement Battery from Ubuy in Palau. Ubuy offers a convenient online shopping experience, allowing you to find this essential accessory for your dog’s containment system quickly. Additionally, with Ubuy's comprehensive selection of products, you can rest assured that you are getting a quality product that meets your pet’s needs.

Extreme Dog Fence Radio & Wireless Fences Editorial Review

The Invisible Fence Collar Replacement Battery has garnered a mixed reception from customers, with a variety of insights reflecting the overall customer experience. Many users appreciate the affordability of these replacement batteries compared to the brand name options. The included instructions were highlighted as a significant improvement, with users noting the importance of allowing the batteries to settle before checking if they are functional. This thoughtful touch indicates that the manufacturer is responsive to customer needs. However, the performance of the batteries has led to some disappointment. While some users report satisfactory battery life of around two months, others have encountered issues with high failure rates — including rapid depletion of charge in the first few days or receiving batteries with low voltage upon arrival. This inConsistency has prompted some customers to question the reliability of these batteries, with a few indicating they prefer to purchase the more expensive, name-brand alternatives after experiencing issues with these replacements. Overall, while the product is seen as a cost-effective solution that generally fits well and meets basic needs, the inConsistent battery performance remains a critical concern for many. **

Customer Reviews & Ratings

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Pros

  • Affordable compared to brand-name batteries
  • Instructions provided, guiding proper usage
  • Satisfactory fit for invisible fence collars
  • Generally better than knock-off brands

Cons

  • InConsistent battery life; some users reported batteries dying quickly

Platform Trust & Buyer Confidence

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4.2/5 9250 + reviews
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Mohammad
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“Excellent quality and original too,when ubuy send original things I will appreciate that ,I very satisfied thank you”

23 July 2026 · via Trustpilot
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“The order and delivery progress was communicated very well. Package arrived within the estimated time. Products arrived as expected in good condition.”

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“Good supply of products. Safe payment methods, and shipment worldwide! Genuine products.”

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“Was my first time buying a product from Ubuy, but I found it so helpful. This is reliable. Gonna place a new order!”

22 July 2026 · via Trustpilot
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“Ubuy is a great online platform to buy stuff. Reliable, fast delivery time and great value for money. I've been using Ubuy online shopping platform for three years now and will continue to do so.”

23 July 2026 · via Trustpilot
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USD 42

Order now and get it around Sunday, August 16

QTY:

Secured transactionsecured transaction

PCI DSS compliant and ISO 27001:2022 certified, with encrypted payments and full buyer protection on every order.

Our Top Logistics Partners
  • fedex
  • dhl
Fastest cross-border delivery

Features & Benefits

  • New Improved Ultra Life Battery for Invisible Fence Collars.
  • Reliable lithium power ensures long-lasting performance.
  • Compatible with a wide range of Invisible Fence models.
  • High-quality battery comparable to the original Power Cap.
  • Extended shelf life of 5 years for convenient storage.
  • 4-pack provides great value for customers.

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