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Invisible Fence® Compatible R21 and R51 Dog Collar Battery


3 volt lithium battery for the  Invisible Fence® brand collar.

Each battery will last as long or longer than the Invisible Fence® Brand PowerCap batteries. Compatible with all Invisible Fence® Brand R21, R51 and MicroLite electronic dog fence receiver collars. The battery design was approved by the chief engineer at the Invisible Fence Company and are manufactured in a state of the art facility in Pennsylvania under his supervision.


  • 3-volt lithium-ion battery
  • Average battery is 3-6 months
  • Rubber gasket provides a water tight seal
  • Tamper proof design
  • Coin slot for easy battery removal

  • Model: IFA-001
  • Manufactured by: Perimeter Technologies

This product was added to our catalog on Wednesday 04 May 2016.

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