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Old 10-20-2013, 10:41 AM   #24
txgp17
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Join Date: Mar 2013
Location: Kernersville, NC
Posts: 8
Quote:
Originally Posted by DeadheadNM View Post
...imagine I'll need to bump that up to 140 once I get both batteries installed.
I don't think so. Having two batteries doesn't mean you'll consume anymore electrical energy. But if both batteries are drained significantly, any alternator will struggle to maintain proper voltage.

Personally I consider the extra battery to act a "buffer" for heavy electrical loads. It allows to alternator to work moderately for a longer duration to recharge the batteries, rather than working to it's limits for a short duration.
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