WHY RUN DUAL 12-VOLT BATTERIES; WOULDN’T THIS GIVE YOU A 24-VOLT ELECTRICAL SYSTEM?
Sep 18, 2020
2 minutes
Marlan Davis
Cars, trucks, RVs, and motorhomes run dual 12-volt batteries for various reasons. Depending on how you wire a two-battery 12-volt system, the result can be a 12-volt system or a 24-volt system—or even both 12 volts and 24 volts.
● There will be 12 volts (about 14.2 volts with an alternator) if the batteries aren’t wired together but kept isolated from
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