These 3-volt lithium batteries will replace your Invisible Fence brand Powercap dog fence collar batteries – at a fraction of the cost! These batteries are guaranteed 100% compatible with your Invisible Fence Brand R21 and R51 receiver. Our batteries batteries are an exact aftermarket replacement to the Invisible Fence Brand Power Cap battery. Satisfaction guaranteed! Youll get quality batteries manufactured right here in the USA by Perimeter Technologies, Inc (not manufactured by Invisible Fence, Inc.). All of our Invisible Fence Brand compatible batteries meet or exceed the original manufacturers specifications. This replacement battery is compatible with all Invisible Fence R21, R51, and A12 dog fence collars and the Invisible Fence Computer Collar. Perimeter Technologies products are proudly made in the USA.
Replacement battery for Invisible Fence R21 and R51
This does NOT go with “compatible” collars, this is for invisible fence brand only
3-volt lithium batteries
Frequently Bought Together
This item: Four Pack Dog Fence Batteries for Invisible Fence R21 or R51 Receiver Collars$35.69
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