Max input from a propane generator into my AC500 stack?

Product Discussion BLUETTI Apex & AC Series
1

I have an AC500 with two (2) B300K and two (2) B300S and two (2) B300.

  1. Max input from a propane generator into my AC500 stack?
  2. What cables and power supplies do I need?
  3. What is the optimum way to input the power?