{"product_id":"oiyceiei-dog-collar-batteries-for-r21-r22-r51-microlite-4-pack-gray-high-capacity-3v-replacements","title":"oiyceiei Dog Collar Batteries for R21 R22 R51 \u0026 Microlite – 4-Pack Gray, High-Capacity 3V Replacements","description":"\u003ch2\u003eOverview at a glance\u003c\/h2\u003e\n\u003cp\u003eDiscover the oiyceiei dog collar batteries, a high-capacity 3V replacement designed for Invisible Fence receiver collars, including R21, R22, R51 and Microlite. The four-pack format provides ready-to-use power with careful engineering and reliable construction, ideal for busy households and active pets.\u003c\/p\u003e\n\u003cp\u003eThese replacements emphasize practical design and quality. Each unit features a built-in 3V lithium cell and is crafted from premium materials. The battery cover undergoes strict quality checks to ensure a precise fit and a dependable connection, reducing the hassle of frequent maintenance.\u003c\/p\u003e\n\u003ch3\u003eKey compatibility and quality you can rely on\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eDesigned for Invisible Fence collars: R21, R22, R51 and Microlite, with straightforward installation.\u003c\/li\u003e\n  \u003cli\u003eBuilt-in 3V lithium cell delivers steady power while keeping the collar lightweight.\u003c\/li\u003e\n  \u003cli\u003ePremium materials and rigorous quality control contribute to durability and a reliable replacement option.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003ePerformance and daily use\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eWaterproof performance helps protect the collar from rain, splashes, and damp conditions.\u003c\/li\u003e\n  \u003cli\u003eHigh energy density supports longer use between replacements while maintaining a comfortable weight for your dog.\u003c\/li\u003e\n  \u003cli\u003eEco-friendly design with zero mercury and zero cadmium in the battery chemistry.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eReal-life scenarios often involve a mix of backyard adventures and longer outdoor walks. This four-pack gives you convenient readiness for routine maintenance, minimizing downtime and keeping your dog’s collar dependable when you need it most.\u003c\/p\u003e\n\u003ch3\u003eTips for best results\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eVerify model compatibility with your Invisible Fence receiver collar before swapping.\u003c\/li\u003e\n  \u003cli\u003eFollow simple steps to replace the old unit, then test the collar to ensure proper operation.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eWhile these batteries are designed for reliable performance, actual results can vary based on usage patterns and environmental factors. They offer a practical replacement option that aligns with everyday routines 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: Is this battery compatible with all Invisible Fence collars?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: These batteries are designed for R21, R22, R51 and Microlite collars; verify your model to confirm compatibility.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: What benefits can I expect from these replacements?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Longer runtime, waterproofing, and lightweight design are possible advantages; results vary with usage and environment.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"oiyceiei","offers":[{"title":"Default Title","offer_id":48412725706909,"sku":"B0F6YD4HV8","price":35.87,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0766\/9596\/1757\/files\/oiyceiei-dog-collar-battery-r21-r22-r51-microlite-four-pack.jpg?v=1781245219","url":"https:\/\/nexoltic.com\/products\/oiyceiei-dog-collar-batteries-for-r21-r22-r51-microlite-4-pack-gray-high-capacity-3v-replacements","provider":"Nexoltic","version":"1.0","type":"link"}