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Old 06-01-2012
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Re: Battery Charging Assistance

Quote:
Originally Posted by asdf38 View Post
That said, dealing with the switching is a big pain. A great upgrade is a battery combining relay, or an echo charger (I just installed a relay). Lots have been written about them here. Both serve to effectively combine the batteries automatically when the alternator is running. This means that if you can start off the house bank (you nearly always can) then you can avoid switching at all. Just switch to house motor, sail, motor - no switching. The starter battery is just there in-case you leave the lights on and kill the house.
I agree
And to add one thing - most often the shorepower charger is wired direct to the batteries. If this is true in your case the switch can be off when on shorepower. I would check the charger outputs to be sure.
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