Perimeter Technologies Six Pack Dog Fence Batteries for Invisible Fence R21 or R51 Receiver Collars

Perimeter Technologies Six Pack Dog Fence Batteries for Invisible Fence R21 or R51 Receiver Collars

• Perimeter Technologies offers a cost-effective solution by providing a compatible replacement battery designed for Invisible Fence brand receiver collars, specifically the R21, R22, R51, and Microlite models.
• Perimeter Technologies has innovatively engineered a battery to seamlessly replace your current one in the collar models listed above.
• These batteries incorporate advanced lithium-ion technology, boasting a superior energy density while keeping your dog's electric dog fence collar lightweight.
• Equipped with robust components, this battery delivers extended durability and enhanced safety features compared to standard batteries. It also remains waterproof when securely sealed within your collar using a tight rubber waterproofing seal.

These replacement dog fence batteries fit all Invisible Fence Brand R21, R51, or MicroLite electronic dog fence receiver collars. All Invisible Fence Computer Collar series are compatible, including Titanium, Platinum, Graphite, and Mink versions. Works in place of PowerCap Battery.