It’s an interesting design. 
I went to a seminar on it. 
Wiring the main power distribution center, is a bit tricky with how they designed or not wire room. Probably want to use cobra wire.  

The battery voltage design is unusual in that more batteries increases the voltage, not bad just different. 

Web management looks good 

I presume you’re installing 5 of the 11kw units for 50kw or did you mean 50 kWh with 1 inverter?

As to the high battery volts, I’m old enough to remember the push back against 48v. Or when GT solar was 48, and when SMA came out at 600v, it was way too high. 
Makes a lot of sense to go higher battery volts because with lithium it’s possible vs with lead it isn’t really. 

Hopefully there becomes a new common high voltage the OEM’s agree on. 

 New times. 

Jay





On May 14, 2024, at 7:33 PM, Darryl Thayer via RE-wrenches <re-wrenches@lists.re-wrenches.org> wrote:


I am looking at going high voltage as opposed to 48 volts. This is my largest battery system, I have a large distance between battery and inverter, 40 feet, the cost of wire, 50 kW, at 50 volts is 1000 amps.  I am thinking this is too big for me.  

On Tue, May 14, 2024, 7:29 PM Mac Lewis via RE-wrenches <re-wrenches@lists.re-wrenches.org> wrote:
Hello Wrenches,

I am looking closely at offering the Fortress Avalon system.  I would like to hear from anyone that has installed, commissioned and seen them work in the field. Pros and cons, all of your thoughts are appreciated.

Thanks!
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