Description The Champion 201241 delivers 120/240V and is equipped with a tri-fuel technology, enabling it to operate on gasoline, propane, or natural gas. When powered by gasoline, it achieves a running wattage of 13,500W and a peak wattage of 16,875W. Switching to propane provides 12,000 rated watts and 15,000 peak watts, while natural gas operation delivers 11,000W of rated wattage and 13,750W of starting wattage.