Forum Discussion
phillyg
May 05, 2017Explorer II
Yes, two equal 12v batteries will increase your usage time till you hookup to shore power to recharge them. No one here can really say how much more time you'll get. There's no way to figure out your existing wiring from the photo. You can find plenty of battery hookup info in youtube videos, but you still need to know what purpose the extra red cable serves.
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