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Vector1952 View Drop Down
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Joined: 28 Sep 2016
Location: RI
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Posts: 65 		Direct Link To This Post Topic: Battery bank
    Posted: 25 Nov 2016 at 3:35pm
Question...do I use the same positive and neg. from the same battery to use electric tongue jack, solar panel, etc. in a 2 battery bank I know they say to use neg. from one batt. and the positive from the other battery when charging with a charger, is this correct?... my 2 batteries from the dealer is in parallel, the trailer and electric tongue jack are connected to one battery not split between the 2 batt....confused!
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furpod View Drop Down
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Posts: 6128 		Direct Link To This Post Posted: 25 Nov 2016 at 5:15pm
Connect to the same posts that everything else is connected to. It is TECHNICALLY better to hook neg to one and pos to the other when installing dual 12v's, but within the constraints of how TT batteries are used, the way yours are hooked up is fine.
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Leo B View Drop Down
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Posts: 4518 		Direct Link To This Post Posted: 25 Nov 2016 at 6:39pm
Good to know!
Leo & Melissa Bachand
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Vector1952 View Drop Down
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Joined: 28 Sep 2016
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Posts: 65 		Direct Link To This Post Posted: 25 Nov 2016 at 11:08pm
Thank you, I want to do it right...
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Vector1952 View Drop Down
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Posts: 65 		Direct Link To This Post Posted: 25 Jan 2017 at 9:09pm
Is it better to use one battery at a time or use them hooked up in parallel?
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CharlieM View Drop Down
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Posts: 1797 		Direct Link To This Post Posted: 25 Jan 2017 at 10:01pm
It's best to connect the batteries in parallel and use them both simultaneous. Peukert's Law states a battery has more capacity if discharged more slowly. When you use the batteries simultaneously the load is split between the two and you are discharging each battery at about half the total rate.
Charlie
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Vector1952 View Drop Down
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Posts: 65 		Direct Link To This Post Posted: 25 Jan 2017 at 10:47pm
That's what I thought in November furpod said it was ok to put connections on one battery because of how to use the batt rise (see above post in November) the batteries are hooked up in paralell
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CharlieM View Drop Down
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Posts: 1797 		Direct Link To This Post Posted: 26 Jan 2017 at 7:32am
Furpod is also correct. With the batteries connected in parallel, technically there is a slight preference for connecting to one positive terminal and the alternate negative terminal. In normal Rpod use the difference is minimal. The primary point is to connect both batteries together and use both at the same time.   
Charlie
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OLD: 2013 RP-172, 2010 Honda Pilot 3.5L 4WD
PRESENT: 2014 Camplite 21RBS, 2013 Supercharged Tacoma 4L V6 4WD
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Vector1952 View Drop Down
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Posts: 65 		Direct Link To This Post Posted: 26 Jan 2017 at 5:53pm
Thank you for your experience and knowledge makes me more knowledge also...
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Vector1952 View Drop Down
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Posts: 65 		Direct Link To This Post Posted: 26 Jan 2017 at 5:54pm
Knowledgeable...correction from my last post...
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