Perimeter Technologies Four Pack Perimeter Pet Fencing Dog Collar Batteries By (4 Pack)

Perimeter Technologies saves you money with your compatible replacement batteries for Invisible Fence brand receiver collars. With much effort placed in the making of your batteries, it is guaranteed you will get a great life expectancy out of your collar. With the components that make up this battery, it gives the power to last longer and has better safety factors than the normal battery. 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. 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.