People... I'm going to say it again. Cut the shit about VA vs. Watts. Victron is the ONLY one that is honest about it. Go look in the data sheet for a Magnum or Outback, and guess what. Yep! You will see they're actually rated in VA even though they say Watts on marketing material. All inverter ratings are based on a power factor of 1.0, i.e., VA.
Victron also has notably high tolerance to overload. 30% overload for 30 minutes, but that may reduce based on inverter temperature.
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Max power is 2X max continuous power.