Quote Originally Posted by parrothd View Post
Those are nice, I've used them in the past. If you keep the switch on 1+2 there can't be a voltage difference. I think the manual is trying to cover people running one battery dead then combining them.
Yes. That I could see as an issue. If battery 1 is dead and battery 2 is 12V then you end up with 6V. Problem is how would you ever get the dead battery recharged without using a separate charger then?

With the battery doctor you don’t need a perko switch at all!


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