This generator uses a 50:1 gasoline-to-oil mix (no separate oil change required), and its 1.1-gallon fuel tank enables 6 hours of operation at half load.
Gasoline range-extending electric vehicle battery automatic frequency conversion three/four-wheel generator. Net Weight: 21–23 kg. Fuel Tank Capacity: 3.6 liters. 5000-Watt Inverter Model.