Originally Posted by steamboatscott
I've got dual batteries now, except the dealer installed different guage and length of wire to both...so I'm going to make it equal.
if I go on a shorter trip, can I run with only one battery, then bring along a second only when needed? I know that technically this will work, but I'm asking if it will get one or both batteries out of balance to use them apart in some situations and together in others.
Are you talking about having two batteries for engine starting or for powering the lights and other electrical components in your RV?
I am thinking that if you have two batteries to power your RV, it is better to have them both hooked up all the time. I think that if you would use one most of the time then only use the second one on longer trips, the more used battery would pull down the stronger battery, making both not last as long. I think they would both last longer if you put both in and used them as a set.
Why would you want to leave one at home on short trips? To save weight?