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I have no way to measure it precisely but there are two different things at work here. I have seen the inverters shift 90-deg in reaction to a load change on the bench, on their own, without a load change from the DTU. This means that the inverter itself has the capability to do the W/Hz, and...

You are correct. It will only draw as much power as it needs, the limit is false. However, some manufacturers do that and then void the warranty if you exceed it.

The proper process to design your system is to start with the loads. Step 1 is, to write down the Watts, Volts, and Ampere rating for everything that needs to be powered by the system, and then make a spreadsheet listing how many hours a day each item needs to be powered by the battery. This...

The Sol-Ark inverters can operate from solar without the battery if there is enough sunlight and solar panels present. However, your AC Unit needs to have a soft-start or a very low inrush current since there are no batteries to draw the surge current from when the compressor starts. The car...

kWh to kWh, the Enphase IQ batteries are not that expensive compared to BigBattery. What is expensive is the ratio of inverter kW/kWh of batteries. With Sol-Ark you can have a 15kW inverter and a 20kWh battery bank, but with Enphase you can't. To get 15kW of off-grid inverter power from Enphase...

Yes, because anyone can afford a 24kW solar system and a DC fast charger for their home after spending $65k on an EV. Bwahahahaha! :ROFLMAO: