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Knife-Blade Switches

Knife-Blade Switches

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Our patented Battery Doctor® 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.

12/24-Volt Heavy Equipment Switch

12/24-Volt Heavy Equipment Switch

Double Post Accessory Switch

Double Post Accessory Switch

Dual Battery Switch, Dual Blade

Dual Battery Switch, Dual Blade

Dual Battery Switch, Single Blade

Dual Battery Switch, Single Blade

For Side Terminal Batteries

For Side Terminal Batteries

For Top Post Batteries, Low Profile Horizontal Operation

For Top Post Batteries, Low Profile Horizontal Operation with Wing Nut

For Top Post Batteries, Low Vertical Operation

For Top Post Batteries, Low Vertical Operation

For Top Post Batteries, Low Vertical Operation with Eyelet

For Top Post Batteries, Low Vertical Operation with Eyelet

For Top Post Batteries, Low Vertical Operation with Wing Nut

For Top Post Batteries, Low Vertical Operation with Wing Nut

Surface Mounted "In-Line"/Remote Mount Switch

Surface Mounted "In-Line"/Remote Mount Switch

Surface Mounted "In-Line"/Remote Mount Switch with Eyelet

Surface Mounted "In-Line"/Remote Mount Switch with Eyelet

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