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Old 01-14-2021, 02:02 PM   #6
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Join Date: Jun 2012
Location: Portland
Posts: 1,305
Re: Camper battery modification wiring questions.

You could also look into a battery 2 battery charger. It sits between your batteries and regulars flow to charge your aux from your main. Essentially it'll feed excess power from your starter battery to your aux. Popular in the camper van world for simplicity and when dual alternators aren't needed or wanted.
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