EG4 18K with five EG4-WallMount Indoor Battery

[Merck]

Good morning,

I'm helping upgrade my brother's system from three EG4-WallMount Indoor Battery to five. Can I parallel them all, then draw off the top of two batteries like this?
Is there a better way to wire them up? Am I over thinking this?

 

[Quattrohead]

This is pretty much what I have done, but with 2 inverters and 7 batteries.

 

[menchelke]

Wouldn't it not cost very much to just get a Positive and negative bus bar? https://signaturesolar.com/600a-12-stud-busbars-red-black-kit/

Then you connect all your batteries to that.

I haven't done this, I don't have batteries, or my system up yet. But it is what I have seen being recommended as best practice.

Though the eg 4s do have integrated 600amp bus bars. So Maybe not needed?