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 (0.84kg/hr based on 50% Load). The 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.