{"product_id":"perimeter-technologies-invisible-fence-collar-battery-2-pack-compatible-replacement-for-r21-r22-r51-microlite-free-pet-towel","title":"Perimeter Technologies Invisible Fence Collar Battery 2-Pack – Compatible Replacement for R21\/R22\/R51\/Microlite + Free Pet Towel","description":"\u003ch2\u003eOverview\u003c\/h2\u003e\n\u003cp\u003eMeet a practical, brand-compatible replacement for your Invisible Fence receiver collars. The Perimeter Technologies Invisible Fence Collar Battery 2-Pack is designed to deliver dependable power without adding unnecessary bulk. This bundle arrives with two compatible batteries and an eOutletDeals Pet Towel, offering a convenient upgrade path for existing R21, R22, R51, and Microlite collars.\u003c\/p\u003e\n\n\u003ch2\u003eWhy choose this replacement battery\u003c\/h2\u003e\n\u003cp\u003eIf you value a balance of performance, portability, and protection, this option helps you keep your dog’s fence experience smooth and consistent. The batteries use lithium-ion chemistry to maximize energy density while preserving a lightweight feel for the collar. In everyday use, that combination translates to fewer bulky components and a comfortable fit during walks, training, or playtime outdoors.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eHigher energy density from lithium-ion technology for longer intervals between replacements\u003c\/li\u003e\n  \u003cli\u003eLightweight design that keeps the collar comfortable during extended wear\u003c\/li\u003e\n  \u003cli\u003eRobust components engineered for reliable performance in daily outdoor use\u003c\/li\u003e\n  \u003cli\u003eTight rubber waterproofing seal to protect the electronics when the collar is worn in damp conditions\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eCompatibility and installation\u003c\/h2\u003e\n\u003cp\u003eThese batteries are a purpose-built replacement for Invisible Fence brand receiver collars, specifically the R21, R22, R51, and Microlite models. They are crafted to slot into your existing collar without the need for complex setup or reprogramming, helping you restore power quickly and with minimal downtime.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eCompatible with R21, R22, R51, and Microlite collars\u003c\/li\u003e\n  \u003cli\u003eDesigned for straightforward replacement and quick power restoration\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eWhat you’ll experience in real life\u003c\/h2\u003e\n\u003cp\u003eOutdoor routines, weekend adventures, and everyday training sessions benefit from a reliable power source that stays compact in the collar. The combination of durable build and waterproof seal offers peace of mind when your dog explores yard edges, parks, or trails. While results can vary by use, many owners appreciate fewer interruptions and a more consistent boundary experience.\u003c\/p\u003e\n\u003cp\u003eBeyond routine use, the kit’s included pet towel adds a touch of practicality for quick cleanups after muddy excursions or rainy-day adventures, keeping your gear organized and ready for the next outing.\u003c\/p\u003e\n\n\u003ch2\u003eWhat’s included and how to care for it\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003eTwo compatible replacement batteries\u003c\/li\u003e\n  \u003cli\u003eOne eOutletDeals Pet Towel\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cul\u003e\n  \u003cli\u003eStore in a cool, dry place when not in use\u003c\/li\u003e\n  \u003cli\u003eInspect the waterproof seal and collar fit during routine maintenance\u003c\/li\u003e\n  \u003cli\u003eUse the towels for quick cleans after outdoor activity\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eFor best results, ensure you’re selecting a model-compatible battery and follow the collar manufacturer’s guidance for installation. This solution emphasizes versatility and safety features that align with daily pet fencing needs without promising specific outcomes.\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: What does the Perimeter Technologies Invisible Fence Collar Battery 2 Pack include?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Two compatible replacement batteries plus an eOutletDeals Pet Towel, designed for Invisible Fence collars R21, R22, R51, and Microlite.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: What features enhance durability and waterproofing?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Lithium-ion cells offer better energy density, and a tight rubber seal helps keep the battery waterproof inside the collar.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"Perimeter Technologies","offers":[{"title":"Default Title","offer_id":53553978835273,"sku":"B01KYVH2B4","price":35.25,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0986\/1781\/9465\/files\/perimeter-technologies-invisible-fence-collar-battery-2pack.jpg?v=1766321746","url":"https:\/\/petvita.co.uk\/products\/perimeter-technologies-invisible-fence-collar-battery-2-pack-compatible-replacement-for-r21-r22-r51-microlite-free-pet-towel","provider":"Petvita","version":"1.0","type":"link"}