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These 3-volt lithium batteries will replace your Invisible Fence brand Powercap dog fence collar batteries - at a fraction of the cost!
This replacement battery is compatible with all Invisible Fence R21, R51, and A12 dog fence collars and the Invisible Fence Computer Collar.
This battery is manufactured by Perimeter Technologies and was designed by the former Chief Engineer at Invisible Fence Company. Designed and built in the United States of America just like all Perimeter Technologies products.
Features of this battery:
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