Forum Discussion
Ex-Tech
Sep 21, 2013Explorer
jspence1 wrote:
I wouldn't recommend using you car to charge your battery. You'll end up damaging your starting battery. When you have two batteries they both need to have the same capacity and be at the same level of discharge. Your alternator will overcharge the lower capacity battery and that's not a good thing.
Well, just about every motor home has a different battery for the coach than the one for the engine and the alternator charges both just fine.
This is the purpose of a dual battery isolator.
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