off grid inverter to battery less

Hi everyone, i have 2 mps 5kva inverter, im trying to run without battery. it is possible use one as a power supply and the other as inverter... i need it
running without battery.

is it possible modify a hybrid inverter to run without battery?

im using a power supply to turn it on... all runs fine but when i need more power the inverter turns off.

Thank you.