Compatible R21 and R51 Dog Collar Battery N93802

Ensure that your equipment doesn’t run out of power with the Perimeter Technologies Invisible Fence Compatible R21 and R51 Dog Collar Battery. Each one is made to last as long or longer than the name brand variety. This Perimeter Technologies collar battery is compatible with all the R21, R51 and MicroLite electronic receiver units. The design was approved by the chief engineer at the company. This gray collar battery is manufactured in a state-of-the-art facility in Pennsylvania under his supervision. Each one is made from lithium-ion, lasts for up to 6 months and is simple to install.