Why pay the hefty prices of their batteries when you can buy a brand you can rely on for much less? eXtreme Dog Fence has designed a battery that will
New And Improved After Market Invisible Fence Brand Compatible Battery-R21/R22/R51/Microlite- Re-Designed Japanese Lithium-Ion Battery Cell
Perimeter Technology - R21 Invisible Fence Compatible
Perimeter Technologies Invisible Fence R21
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Electronic Pet Fence & Containment Market Size, Growth and
Actual 170 mAh capacity with durable and reliable performance, the highest capacity of this type Leakproof and self-discharge rate is less than 0.5%
R21 R22 R51 and Microlite Replacement Battery High Capacity Compatible with Invisible Fence Receiver Collars 6-Pack
Perimeter Technologies Invisible Fence R21
Dog Collar Batteries by Perimeter Technologies
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Outdoor Electric Fences for Dogs and Cats - The Invisible Fence® Brand
PetSafe Stay & Play Compact Wireless Fence, Secure up to 3/4 Acre