Quote:
Originally Posted by TiltonBB
The problem with leaving the switch on "both" all the time is when you have a problem, like a short circuit, or anything that kills the battery, you have killed both batteries. That eliminates the option of switching batteries when one is dead.
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That it one of the problems an ACR will address:
https://www.bluesea.com/support/arti...R%5D_Explained
In a proper modern marine electrical setup about the only thing that could really draw the batteries down excessively would be a bilge pump circuit, and if that is the case, you have some more serious issues to deal with anyway.