Custom 280ah battery rack vs Luyuan Battery Box

[Escuimein]

Hi,

I know this was asked before in the forum but found no answer. Do any of you have experience with the Luyuan battery cases? I can add them to my Grade A 280ah order, and they come up to around $270 w/o the bms vs building my own rack with 2x12s. I have limited space in the area that I want to install my system, so I want to keep the install to a depth of 12" against the wall and height to a max of 50" So I will probably have to side mount the batteries. DIY vs Battery box is roughly a $1,000 difference for the entire build but will definitely look much cleaner.

 

[Martijn]

I'd be interested as well, but no-one knows yet?

 

[Escuimein]

 

[Escuimein]

Amy sent me those pictures with JK Bms and screen. I think the hole next to the screen area is for the bms power button

 

[Escuimein]

In general it looks like a good Seplos Alternative that you can customize with JK BMS.

 

[Mark Xu]

What is the power of your solar system and need a 57kwh battery ，big energy

 

[rhino]

What size lug can you put on those connectors?

 

[Escuimein]

I asked amy about the lug size.

I am planning 5840w in qcell 365w panels.

I live in Puerto Rico and I am tired of the blackouts. So I want to go offgrid. My plan is to account for a week w/o solar energy in case of emergency/Hurricanes. In theory 5.5 hrs of sun I can generate 32120w.

 

[Escuimein]

Amy replied M8 for the terminal size.

 

[intermit.tech]

Oh, I've been looking at this box too, sadly those terminals used only allow for up to 25mm2 which is a bit small in my opinion.

 

[Escuimein]

Im asking amy about the wire gauge. I think she is getting them custom made so maybe we can figure out a larger terminal

 

[Escuimein]

Oh, I've been looking at this box too, sadly those terminals used only allow for up to 25mm2 which is a bit small in my opinion.

you are right. they look like the EG4 sized terminals but doubled.

 

[Martijn]

you are right. they look like the EG4 sized terminals but doubled.

Bit bigger would be better, yes.

 

[Martijn]

Did you end up ordering a box?

 

[samir101ng]

Also interested in this. Been trying to find a simple alternative battery management.

 

[Steve_S]

Peruse the Luyuan Store for various options.

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[Martijn]

I noticed there's some kind of electronic board in the box, but what does it do?

 

[ocular]

How much current max will you be likely drawing

Oh, I've been looking at this box too, sadly those terminals used only allow for up to 25mm2 which is a bit small in my opinion.

Maybe see if these thru wall terminals of your liking could be procured instead?

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www.alibaba.com

 

[ocular]

Those terminals are maybe similar on the Luyuan battery box? seem to be rated at 100A per connection and are M6. The doubled connectors on each polarity don't appear to be connected.

https://m.alibaba.com/product/1600679245045/100A-M6-screw-21MM-Spacing-Through.html

 

[goldserve]

I ordered one of the cases from Amy. She sent me this YouTube video: