Here is the Creators unit , reworked after extraction . I replaced with a outback radion system that he designed . Then im now getting ready to install a B17 system and remove the Outback . So this is for sale . Makes 8000 watts 125/250Vac single phase split leg . So if wired correctly , You could run one as Master for 125Vac (110-125Vac adjust , as needed , but higher Vac is less amps on starts ) make slave (second inverter , only come alive on 220- 250 Vac draw . the slave will search for draw and use 35-40 watts/24 hrs in search mode for 24 volts DC system , 20-26 watts for 48Vdc system. Different coils . I was brought up to speed last week from the Gents .. On a pallet sealed ready to ship. Sloth Trace Engineering (Xantrex) SW4024 4000W Inverter & Battery Charger, Unused NIOB | eBay Make a decent offer . It's in Canada now .