Battery & wiring

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   Yeah, I'd go heavier than  6 ga. even.

I have 2 sets of wires going to my battery, one for the "house" and one for the tongue jack.  

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Colt Members Profile Send Private Message Find Members Posts Add to Buddy List Senior Member Joined: 16 Nov 2019 Online Status: Offline Posts: 383	Topic: Battery & wiring Posted: 15 Sep 2020 at 4:26pm
	Yeah, I'd go heavier than 6 ga. even. I have 2 sets of wires going to my battery, one for the "house" and one for the tongue jack.
	John '16 R-Pod 180

offgrid Members Profile Send Private Message Find Members Posts Add to Buddy List Senior Member Joined: 23 Jul 2018 Online Status: Offline Posts: 5290	Posted: 15 Sep 2020 at 10:56am
	So you have 2 pairs of wires going to the batteries? If your trailer has standard wiring then one of those sets goes to your solar port and won't feed your loads, so that battery will never discharge. Some questions: Please confirm the batteries are 12V not 6V. How do you know both batteries are getting charged? Who wired up your lithium batteries? Do you have a multimeter? If not, get one so you have the basic tools needed to sort this out. Try to buy one with a dc (not just ac) clamp on current measurement function, that would be best. And no, do NOT use 14 gauge wire to connect batteries, that is waaay too small. You need your wiring to be at least 6 gauge. Don't rewire anything yet until you understand what you have there now.
	1994 Chinook Concourse 1995 RV6A Experimental Aircraft 2015 Rpod 179 - sold

Psychokitsune Members Profile Send Private Message Find Members Posts Add to Buddy List Newbie Joined: 16 Nov 2018 Online Status: Offline Posts: 17	Posted: 15 Sep 2020 at 10:02am
	Im having trouble posting pictures right now. But that's not how I have it wired. Each wire set (+/-) goes to it's own battery. That's how it came with the trailer. So if I put both sets on a single battery then added some extra 14gage wire between the 2 batteries, would that make it a parallel setup?

Colt Members Profile Send Private Message Find Members Posts Add to Buddy List Senior Member Joined: 16 Nov 2019 Online Status: Offline Posts: 383	Posted: 15 Sep 2020 at 9:45am
	Post some good pictures showing how you wired the batteries. Lithium-x batteries have a battery management system built-in to prevent damage/fires. That may be affecting your discharge. What is each battery's voltage? This is a parallel connection, to be used with two 12V batteries, in an R-Pod.
	John '16 R-Pod 180

Psychokitsune Members Profile Send Private Message Find Members Posts Add to Buddy List Newbie Joined: 16 Nov 2018 Online Status: Offline Posts: 17	Posted: 15 Sep 2020 at 9:35am
	Alright, so I've got 2 lithium-ion batteries hooked up to the supplied wires on a 179 pod. The problem is either their wired to run in series instead of parallel or one set of the wires doesn't work. Dont think it's the latter because both are getting charged. And suggestions on how to go about re-wiring the system so that both batteries get used at the same time (in parallel)? Because once one battery does get fully drained it does not start to pull power from the second. The entire system is just dead, cant use anything unless I switch the wires on the battery terminals.