1.Battery disconnect switches cut-off electrical power, help protect against electrical fires and theft when equipment is not in use, provide a reliable shutdown of power during maintenance, and protect batteries from excessive drain.
    2.Our patented knife-blade style battery disconnect switches are easy to install and simple to use.
    3.Knife-blade battery disconnect switches and battery disconnects have many different mounting options and switch directions, which allows you to add battery disconnect switches to any battery.
    4.Weatherproof makes operational efficiency and flawless function in even most adverse environments
    5.Mount on negative battery post
    6.Disconnect batteries quickly and easily
    7.Stop unwanted battery drain
    8.Helps with preventing theft, tampering and unauthorized use
    9.Improve safety and security of stored vehicles, RVs and seasonal equipment

How change horizontal switch to Vertical switch

This battery doctor knife switch for top post batteries can be adjusted into a vertical knife switch through the bottom of the screw. Switch the knife, then power will cut.