The huge difference in power is usually the determining element between an inverter generator and traditional generator. Where inverter generators have actually a power that is average of watts to 4000 watts, traditional portable generators can reach over 10,000 watts.
Inverter generators are often more portable than traditional generators that are fuel-powered. This once again is because of the total amount of energy they create.
Old-fashioned fuel-powered generators which create more energy have big gas tank and larger engine so more material is necessary to house the equipment. Read more