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Old 05-07-2015, 11:28 AM   #2
Doug Ambrisko
Junior Member
 
Join Date: Aug 2012
Posts: 23
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I've been using the Magnum smart battery combiner ME-SBC. It's fully automatic so
you can set the cut off point so you don't drain them both down. I set the low cut
off so when it isn't charging it's separate. This way while driving it's charging both
or when plugged in the charging of the house batteries charges the starting batteries.
It will transfer 25A so the wiring isn't that heavy. This won't charge things the fastest
but shouldn't overload anything.

On a separate note I have our generator tied into the starting batteries so it is easy
to start even if the house batteries are low. That was always a challenge to start
our generator in our 5th wheel when the batteries were low. Now I never have to
worry about our house batteries being so low that we can't start the generator.
Doug Ambrisko is offline   Reply With Quote