This champion generator benefits from a 15 litre fuel tank this unit can run up to 10 hours at 50 load running on petrol or running off propane 23hrs based on 19kg bottle 084kghr based on 50 load the ohv engine is equipped with a low oil shut off sensor and designed for long life and easy maintenancethis unit is ideal for rvs camping trips hunting travelling picnics jobs around the house or home back up power during emergencies patented volt guard system installed to protect spik