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9 Best invisible fence brand batteries of 2026
Explore top picks
Best Choice1
Clicked 4 times in the last monthPerimeter TechnologiesPerimeter Technologies Six Pack Dog Fence Batteries for Invisible Fence R21 or R51 Receiver Collars
9.8Exceptional
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Value for Money2
Invisible FenceInvisible Fence Power Cap Battery - Original IFB Electric Fence Battery Replacement for Dog Collars - Long-Lasting - 2 Pack
9.7Exceptional
Our Rating
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3
Invisible FenceInvisible Fence Power Cap Battery - Original IFB Electric Fence Battery Replacement for Dog Collars - Long-Lasting - 1 Pack
9.6Exceptional
Our Rating
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4
Perimeter TechnologiesPerimeter Technologies Four Pack Dog Fence Batteries for Invisible Fence R21 or R51 Receiver Collars (4-Pack)
Key specs-
Battery:4 Lithium Metal
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Waterproof:Yes, with seal
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Collar Size:R21, R22, R51, Microlite
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Positioning:N/A
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Signal Stability:N/A
9.4Excellent
Our Rating
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5
PETZEEPETZEE 6PK Compatible with Invisible Fence, Compatible with R21, R22, R51 Battery and Microlite Receiver Collar, 6PACK
9.2Excellent
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6
Perimeter TechnologiesPerimeter Technologies Invisible Fence Collar Battery - Brand Compatible - Includes eOutletDeals Pet Towel (4 Pack)
9.1Excellent
Our Rating
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7
Perimeter TechnologiesPerimeter Technologies Invisible Fence Collar Battery - Brand Compatible - Includes eOutletDeals Pet Towel (4 Pack)
9.0Excellent
Our Rating
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8
Perimeter TechnologiesPerimeter Technologies Invisible Fence Collar Battery - Brand Compatible - Includes eOutletDeals Pet Towel (2 Pack)
Key specs-
Battery:Lithium-ion, advanced
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Waterproof:Yes, with seal
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Collar Size:R21, R22, R51, Microlite
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Positioning:N/A
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Signal Stability:N/A
8.9Very Good
Our Rating
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9
Perimeter TechnologiesPerimeter Technologies Invisible Fence Collar Battery - Brand Compatible - Includes eOutletDeals Pet Towel (2 Pack)
Key specs-
Battery:Lithium-ion, advanced
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Waterproof:Yes, with seal
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Collar Size:R21, R22, R51, Microlite
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Positioning:N/A
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Signal Stability:N/A
8.8Very Good
Our Rating
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