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40cpe · 12-17-2014, 08:40 PM

I've read opinions saying that the battery bank will have short life because all of the discharge is coming from one battery and the alternator is overcharging the secondary battery trying to keep the primary battery charged. I don't have any experience with a system like this, but I support the "either-or" approach. It seems a lot less complicated to use one voltage throughout the car.

12-17-2014, 08:40 PM	#16
40cpe Senior Member Join Date: May 2010 Location: Star, MS Posts: 4,024	Re: Starting with 12v running with 6v I've read opinions saying that the battery bank will have short life because all of the discharge is coming from one battery and the alternator is overcharging the secondary battery trying to keep the primary battery charged. I don't have any experience with a system like this, but I support the "either-or" approach. It seems a lot less complicated to use one voltage throughout the car.