Fortress Power makes the Solo 6.5 that can be wired / programmed as 120 only 
giving you all 6500 watts on one leg. 

It has two MPPT inputs with 150-550Vdc input range and supports Lead/Open loop 
and of course Lithium comms. 


Thank you,

Maverick

Maverick Brown
Off-Grid Solar Commander since 2006
Maverick Solar Enterprises, Inc.
 • Solar Commander Remote Power
 • SunFlow Systems Cathodic Protection 
[email protected]
512-460-9825



> On Oct 28, 2026, at 8:03 AM, Jim Gowdy <[email protected]> wrote:
> 
> 
> Good Morning,
>      I have a customer that has an offgrid cabin that is wired for 110v and 
> has an older 48v SW inverter that puts out 110v.  We are upgrading his solar 
> equipment and I'm trying to figure out what is the best option for his 
> inverter.  The idea was to install an Outback FXR sytle inverter, but it's 
> really hard to find equipment and I'm hearing that their equipment is being 
> less used and produced.  Next idea was an all in one inverter, but most of 
> them put out split phase 240v and I'm wondering if it harms the inverter to 
> only use 1 leg and run an somewhat large unbalanced load.  Any opinions? 
> --
> Jim with Gowdy Electric
> Cambria, Ca 93428
> business  805 927 2630
> cell  805 975 5279
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