{"product_id":"perimeter-technologies-six-pack-batteries-for-invisible-fence-r21-r51-collars","title":"Perimeter Technologies Six-Pack Batteries for Invisible Fence R21\/R51 Collars","description":"\u003ch2\u003eUpgrade smart power for your Invisible Fence collar\u003c\/h2\u003e\n\u003cp\u003ePerimeter Technologies offers a cost-effective replacement battery kit designed to work with Invisible Fence receiver collars. Specifically compatible with R21, R22, R51, and Microlite models, this six-pack provides a practical alternative to branded batteries. The goal is straightforward: deliver dependable power at a respectful price, so you can keep your dog’s fence system ready without breaking the bank.\u003c\/p\u003e\n\u003cp\u003eEach battery is crafted with a focus on compatibility and performance. Instead of a generic fit, these cells are designed to align precisely with the collar hardware, minimizing fit issues and maximizing usable life. While results can vary with usage, many customers appreciate the predictable replacement cycle and the sense of continuity it brings to their daily routine with their dog.\u003c\/p\u003e\n\u003ch3\u003eKey benefits at a glance\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eCost-effective compatibility for Invisible Fence receiver collars (R21, R22, R51, Microlite) helps manage ongoing maintenance costs.\u003c\/li\u003e\n\u003cli\u003eNew and improved Japanese lithium-ion cells deliver higher energy density while keeping the collar lightweight for your dog.\u003c\/li\u003e\n\u003cli\u003eRobust components contribute to extended durability and enhanced safety features relative to standard batteries.\u003c\/li\u003e\n\u003cli\u003eWaterproof sealing when sealed inside the collar helps protect the battery from moisture and grime during outdoor use.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eReal-world use cases\u003c\/h3\u003e\n\u003cp\u003eFor daily walks, backyards, and training sessions, this six-pack offers convenient replacements so you’re not burdened by abrupt outages. The lighter, energy-dense cells help keep the collar comfortable on your dog while providing dependable power to maintain boundary cues during activities. When you’re traveling or spending time outdoors, the waterproof design and durable construction can contribute to fewer interruptions, allowing calmer routines and more consistent training moments.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eDaily routines: predictable power replacement supports steady training sessions and uninterrupted boundary reminders.\u003c\/li\u003e\n\u003cli\u003eOutdoor adventures: a waterproof seal and robust build withstand wet weather and frequent handling.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eDesign and durability\u003c\/h3\u003e\n\u003cp\u003eThe batteries are built around lithium-ion technology with high energy density, which translates to power reserve without adding excessive weight to the dog’s collar. A dedicated sealed interface provides waterproofing and protection against environmental factors. The combination of resilient components and careful engineering aims to deliver long-term reliability and safer operation in everyday use.\u003c\/p\u003e\n\u003cp\u003eIn short, this kit aims to offer a practical, budget-friendly path to keeping your Invisible Fence system powered, while maintaining comfort for your dog and ease of use for you. It’s about dependable replacements, not guarantees, and about helping you align cost with continued security for your pet.\u003c\/p\u003e\n\u003csection class=\"product-faq-snippet\"\u003e\u003ch3\u003eFAQ\u003c\/h3\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Which collar models are compatible with the Perimeter Technologies Six Pack?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Compatible with Invisible Fence receiver collars R21, R22, R51, and Microlite models.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: What are the main benefits of these lithium-ion batteries?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: High energy density, lighter weight, durable components, and waterproof sealing for reliable outdoor use.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"Perimeter Technologies","offers":[{"title":"Default Title","offer_id":40563906773121,"sku":"B00BR0CAIC","price":120.68,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0598\/4757\/3633\/files\/perimeter-technologies-r21-r22-r51-battery-pack.jpg?v=1765893851","url":"https:\/\/petiva.ca\/products\/perimeter-technologies-six-pack-batteries-for-invisible-fence-r21-r51-collars","provider":"Petiva","version":"1.0","type":"link"}