Perko Medium Duty Battery Selector Switch, 2-Battery - 250 Amp.

Perko Medium Duty Battery Selector Switch, 2-Battery - 250 Amp. Medium Duty. For use with two or more batteries and single or dual engine systems. Permits selection between batteries for starting and charging or operation of both batteries in parallel. They allow addition of an extra battery for use with accessories. The "OFF" position also acts as an emergency disconnect in the event of an electr