what gauge wire between two batteries?
I'm adding a second AGM battery to my truck camper. It's going to be under the bench seat in the back on the other side from the 1st battery. So their distance will be about at least 10-12 feet fro...
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Wow, those are some beefy cable recommendations. Personally I'd go with 8 gauge or maybe 6 gauge and call it a day. If you're worried about it, run two lengths of 6 gauge.
Also, I don't see much reason to mount the batteries next to each other. I'm in the process of setting up my new-to-me camper (Class C) and I'm leaving one battery under the side step, which is the stock system, and adding 3 more batteries where the generator was before I tore it out, in the rear. That's a separation of about 12 feet. I'm using a single length of marine 6 guage to connect the positive terminals (it goes outside under the chassis so I figured marine was a good choice), and a beefy ground strap to ground the new battery bank.
Also, I don't see much reason to mount the batteries next to each other. I'm in the process of setting up my new-to-me camper (Class C) and I'm leaving one battery under the side step, which is the stock system, and adding 3 more batteries where the generator was before I tore it out, in the rear. That's a separation of about 12 feet. I'm using a single length of marine 6 guage to connect the positive terminals (it goes outside under the chassis so I figured marine was a good choice), and a beefy ground strap to ground the new battery bank.
