This Champion Generator benefits from a 23 litre fuel tank this unit can run up to 8 hours at 50% load running off petrol or running off propane 19hrs based on 19kg bottle (0.79kg/hr). Our OHV engine is equipped with a low oil shut-off sensor & designed for long life & easy maintenance. This unit is ideal for RV's, camping trips, hunting, travelling, picnics, jobs around the house, or home back-up power during emergencies. Patented volt guard system installed to protect spikes & surges on appliances & equipment also included patented Cold Start technology.