Claimed outputMaximum wattage for continuous operation, as per the manufacturer.
Fuel typeGasoline, diesel fuel, propane, or (stationary models only) natural gas.
WeightThe generator’s weight, to the nearest pound, when fully fueled. (Propane tanks are separate, and natural-gas models are fueled externally.) Weight for stationary models, which stay where installed, is "NA," for not applicable.
Fuel shutoffLets you draw gas from the fuel system to keep it from leaking, or from fouling parts if it degrades during storage.
Low-oil shutoffTurns off the engine if the oil level is low, preventing damage.
Electric startLets you start the engine with a switch or pushbutton rather than a pull cord.
Fuel gaugeIndicates how much fuel is in a portable generator's tank.
Hour meterAn indicator of how long you have run the generator since your last oil change, helpful for scheduling maintenance.
Low-oil shutoff has indicator light
Low-oil shutoff has indicator lightWhen the generator has shut off due to low oil, indicates why.
Electric-start battery included
Electric-start battery includedOnly some generators with this feature include the necessary battery, which must otherwise be purchased separately (usually about $50).
WheelsWhether wheels (portable generators only) come standard with the unit or must be purchased separately.
Fuel capacityFor portable units, how many gallons of gasoline or diesel fuel the tank can hold. Tanks for propane-powered portables are the 20-lb. size. Stationary models are fueled externally from a fixed propane or natural-gas tank.
No. of power outlets
No. of power outletsHow many appliances you can plug directly into the generator (portable units only). We strongly recommend you use a transfer switch for long-term needs.