11-21-2019, 09:13 PM
I have a 17.5' Lund Tyee (similar to your boat). I charge both my crank and deep cycle batteries after every trip just to be sure they are topped off. DUbob said he didn't charge his crank, but I have a battery switch that I mostly keep on "both" batteries, so my crank gets drained when I'm using my trolling motor intermittently. That is why I charge both. I switch the switch to "deep cycle only" if I'm planning to run the battery totally down and then I'd still have power in my crank battery to start my main engine. With a 3 bank charger, I'd just mount the charger at or near the location of your front batteries and then run an extension to your rear battery. You can splice in cable (makes sure to use bigger (14g+) and not the thin 18g wire that is cheaper. This way you won't over heat wires, etc. I then clipped the main wire that plugs in my charger and bought a recessed male plug receptacle and mounted that near the front of the boat. I then hooked the charger up to the recessed male plug. Now when I get home I take a regular extension cord and plug it into the recessed male plug. No need to dig through compartments looking for the plug on your charger, etc. Easy is best!
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