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Old 08-05-2018, 10:48 PM   #1
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Question about battery hookup

I think I did this right.. The primary question is the battery config?

It is all working as expected however I just want to make sure that the battery connections are correct for the panel and the inverter. placement of positive and negative cables.
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Old 08-05-2018, 11:06 PM   #2
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Just curious, i assume your 50 amp panel has two different hot legs, does your inverter power both legs or just one leg?

On my 30 amp setup i have two seperate sides on my ac panel, and one side is only powered by shore/gen, and the otherside is either shore/gen or inverter based transfer switch. This way i put the dc converter and my ac unit on the side that only works on shore/gen so i wont have to worry about the inverter trying to run the ac or batter charger.
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Old 08-06-2018, 09:50 AM   #3
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Originally Posted by Tigerman67 View Post
Just curious, i assume your 50 amp panel has two different hot legs, does your inverter power both legs or just one leg?
My panel and Transfer switch have 2 hot legs on them. 1-Red, 1-Black

The inverter powers the generator side of the transfer switch and then jumpers to the other side to provide power to both sides of the panel.
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Old 08-06-2018, 10:06 AM   #4
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Here is an updated diagram
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Old 08-06-2018, 12:41 PM   #5
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Looks good in my opinion. My only caveat is to make sure you dont have your dc converter running while on inverter.
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Old 08-06-2018, 12:44 PM   #6
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Originally Posted by Tigerman67 View Post
Looks good in my opinion. My only caveat is to make sure you dont have your dc converter running while on inverter.
That is the bottom breaker in my panel and it can be switched off when on the inverter.. that's how we do it
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Old 08-06-2018, 03:51 PM   #7
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Im still not sure i got an actual answer.

specifically, if I have four batteries, do i connect the positive from the first one and the negative from the last one to the inverter.. or do i connect the positive and negative from the first OR last one to the inverter?

thanks
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Old 08-06-2018, 05:12 PM   #8
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I'm not sure I understand what you are doing. I think you are planing to have one shore power cord that is plugged into either a pedestal or generator. Correct?

It might be helpful if you labeled the wires/colors. It appears that you have both legs (hot - of the 50 amp circuit) going to a single panel? Correct? Is this a split panel where half of the breakers are powered from one leg and the other half from the second leg?

Battery wiring depends battery voltage, battery count, and desired output. I assume you want a 12V bank, as that is typical. Also assume you are using 12V batteries. Hopefully this helps:
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Old 08-06-2018, 07:14 PM   #9
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I'm not sure I understand what you are doing. I think you are planing to have one shore power cord that is plugged into either a pedestal or generator. Correct? It might be helpful if you labeled the wires/colors. It appears that you have both legs (hot - of the 50 amp circuit) going to a single panel? Correct? Is this a split panel where half of the breakers are powered from one leg and the other half from the second leg?
That is correct. It is a 50A Progressive Dynamics panel which has a two pole 50A breaker in the middle that powers both halves of the panel. Then there is a a 12v panel on the right side for all of the 12v stuff. And a charge conrtoller in the bottom.

Quote:
Originally Posted by JDOnTheGo View Post
Battery wiring depends battery voltage, battery count, and desired output. I assume you want a 12V bank, as that is typical. Also assume you are using 12V batteries.
I added a new image to help too...

Quote:
Originally Posted by JDOnTheGo View Post
Hopefully this helps:
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Old 08-06-2018, 07:33 PM   #10
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There's been some posts lately about balancing battery size with inverter size. I'm pretty much a moron when it comes to electrical (I just want to know what's tried-and-true for other people and copy their system!) but something about internal resistance inside a battery and it not being workable with too big of an inverter.

Here's a link that discusses it in detail: https://www.solarpaneltalk.com/forum...-size-tutorial
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