[RE-wrenches] EG4 Wallmount Parallel Busbars

[Jason Szumlanski]

I'm very glad I asked! The battery manuals show only 4 batteries per two
inverters. Now I see they have a separate paralleling guide that shows up
to 6 batteries paralleled for two or three inverters.

Thanks, Jeff!


Jason Szumlanski
Principal Solar Designer | Florida Solar Design Group
NABCEP Certified Solar Professional (PVIP)
Florida State Certified Solar Contractor CVC56956
Florida Certified Electrical Contractor EC13013208


On Mon, Aug 18, 2025 at 10:58 AM Jeff Clearwater via RE-wrenches <
re-wrenches at lists.re-wrenches.org> wrote:

> Hi Jason
>
> The EG4 Wallmount has internal bus bars rated to 600 Amps.  If you follow
> the UL approved configurations shown on the battery wiring diagrams on
> their website you can parallel up to 6 batteries with just plug and play
> cables by using the parallel kit purchased separately (1 per extra
> battery). No need for external bus bars or fusing.
>
> Hope that helps!
>
> Best
>
> Jeff
>
>
>
>
> Sent from my iPhone
>
> On Aug 18, 2025, at 7:42 AM, Jason Szumlanski via RE-wrenches <
> re-wrenches at lists.re-wrenches.org> wrote:
>
> 
> I'm looking for suggestions for a fused busbar for five Wallmount
> batteries with two FlexBoss18 inverters. I was thinking Victron Lynx
> Distributor, but I don't think I can fit that into one of the EG4 Conduit
> Boxes. I'm looking for the most elegant solution possible without adding an
> extra enclosure, if possible.
>
>
> Jason Szumlanski
> Florida Solar Design Group
>
> _______________________________________________
> List sponsored by Redwood Alliance
>
> Pay optional member dues here: http://re-wrenches.org
>
> List Address: RE-wrenches at lists.re-wrenches.org
>
> Change listserver email address & settings:
> http://lists.re-wrenches.org/options.cgi/re-wrenches-re-wrenches.org
>
> There are two list archives for searching. When one doesn't work, try the
> other:
> https://www.mail-archive.com/re-wrenches@lists.re-wrenches.org/
> http://lists.re-wrenches.org/pipermail/re-wrenches-re-wrenches.org
>
> List rules & etiquette:
> http://www.re-wrenches.org/etiquette.htm
>
> Check out or update participant bios:
> http://www.members.re-wrenches.org
>
> _______________________________________________
> List sponsored by Redwood Alliance
>
> Pay optional member dues here: http://re-wrenches.org
>
> List Address: RE-wrenches at lists.re-wrenches.org
>
> Change listserver email address & settings:
> http://lists.re-wrenches.org/options.cgi/re-wrenches-re-wrenches.org
>
> There are two list archives for searching. When one doesn't work, try the
> other:
> https://www.mail-archive.com/re-wrenches@lists.re-wrenches.org/
> http://lists.re-wrenches.org/pipermail/re-wrenches-re-wrenches.org
>
> List rules & etiquette:
> http://www.re-wrenches.org/etiquette.htm
>
> Check out or update participant bios:
> http://www.members.re-wrenches.org
>
>
-------------- next part --------------
An HTML attachment was scrubbed...
URL: <http://lists.re-wrenches.org/pipermail/re-wrenches-re-wrenches.org/attachments/20250818/81d2e10c/attachment.htm>