What size portable power station do I need?
Check four things separately: simultaneous running watts, the largest startup event, usable battery energy after entered losses, and runtime for your schedule. One advertised number cannot answer all four.
Method
Usable Wh = rated Wh × entered DoD × entered efficiency. Required Wh adds each load's watts × hours × duty cycle plus entered output overhead. Continuous and startup watts are checked independently.
Important limitation
Cycling appliances need measured energy over a representative interval. Exact startup waveform, automatic shutoff, temperature and battery age remain unknown until the exact model is tested.