I have 2 sets of inverters.
They were used in stacked systems, MEANING you can combine 2 inverters for double the output power AND you can run at 120V OR setup in 240/120V split phase as needed (typical for well pumps, mini splits or other air conditioners etc.)
Happy to sell single units if that's what you need
2 of 24V OutBack VFX3524 (3500W for 1, 7000W output for 2)
2 of 48V OutBack VFXR3648 (3600W for 1, 7200W output for 2)
$750 each + $100 for hub if you want to stack 2 inverters
ADD a head unit (necessary) for monitoring and programming.
This can be connected online for remote monitoring as well
$200 (used) MATE3 or MATE3S
Units are tested fully working by myself.
Pulled from working systems bought from the previous owner users.