Engine Kits

Wirthco 20218 Knife Switch: 1-Blade 2-Way Dual-Battery Switch
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Wirthco 20218 Knife Switch: 1-Blade 2-Way Dual-Battery Switch



Part #: 20218
List Price: $64.93
Our Price: $37.10
You Save: $27.83

Availability: In Stock



Knife Switch: 1-Blade 2-Way dual-battery switches Allows use of one battery for accessories while reserving second battery for starting. Selected battery is connected to provide power and receive charging from vehicle; non-selected battery remains idle.

  • Surface mounted. 
  • Single blade selects either battery. 
  • Carries 250 amps continuous and a maximum surge of 750 amps.