BATTERY DOCTOR Top Post Knife Blade Battery Switch

Item # G57451

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Safely disconnects your battery to stop battery drain

This classic knife-blade battery disconnect switch stops battery drain in agricultural and construction equipment, cars, trucks and more.

  • Improves Safety: Reduces the danger of fire or explosion in stored vehicles, prevents theft, makes electrical work easier and prevents spontaneous start up of your machinery
  • Easy to Install: The top mount with wing nut receives eyelet cables
  • Effective: Rated for 250A continuous and 750A surge at 12V.


  • Manufacturer #: 20148
  • Amps: 250
  • Description: For Top Post Batteries
  • Style: For Top Post Batteries