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Wirthco Knife Switch Battery Disconnect

Wirthco Knife Switch Battery Disconnect

Wirthco Knife Switch Battery Disconnect

Our patented Battery Doctor Knife switches are easy to install and simple to use.

All of our knife-blade switches:

  • Mount on negative battery post.
  • Disconnect batteries quickly and easily.
  • Stop unwanted battery drain.
  • Help prevent theft, tampering and unauthorized use.
  • Improve safety and security of stored vehicles, RVs and seasonal equipment.
  • Are rated 250 amps continuous and 750 amps surge at 12 volts.