Perimeter Technologies Invisible Fence Compatible R21 and R51 Dog Collar Battery, Gray

Keep pets safe from harm with the Perimeter Technologies Invisible Fence Dog Collar Battery. It can be used with models R21, R22, R51 and Microlite models for added convenience. This 3V lithium-ion battery works in a similar manner as the more expensive invisible fence brand. It's made of durable plastic for long-lasting use. This perimeter replacement battery R21 and R51 has an average life of three to six months, and a rubber gasket provides a seal that's watertight so it can be used with peace of mind. It has a tamper-proof design, and the battery can be removed easily using the coin slot. It's simple to install so it can be put to use quickly.

Perimeter Technologies Invisible Fence Compatible R21 and R51 Dog Collar Battery, Gray: Average battery life of 3-6 months Rubber gasket provides a watertight seal Tamper proof design with coin slot for battery removal 3V Lithium-ion battery is easy to install