Compact in design, the Generac iX800 gas-powered portable inverter generator (model 5791) is designed for life on the road. Its durable, lightweight design with built-in handle offers portable power for camping, tailgating, and recreational use. The iX800 features inverter technology that reduces the size, weight, and noise of the generator and allows for the engine to run at varying speeds, significantly reducing the noise and fuel consumption levels. And its special electronic microprocessor can also provide safe, stable power for sensitive electronic devices such as computers.

800 watts of clean power to safely power sensitive electronics (see larger image).

The iX800 provides a reliable 800-watt power supply wherever you need it and a maximum power output of 850 watts, and yet it’s 40 percent lighter than a standard generator of equal wattage output. It features Generac’s FlexPower technology, which provides two modes of operation: High Mode for large loads or battery charging, and an Eco Mode to save fuel and reduce noise.

Note for California residents: This model is not CARB-compliant. Units sold to California must be CARB-compliant.

Ideal for recreational use (ix2000 model shown;
see larger image).

To determine your requirements for a portable generator, see this wattage chart sample.

The case is fully enclosed for quiet operation–making it campground friendly–and its integrated handle makes it easy to move from car to camp site. It’s equipped with a 4-stroke, 38-cc OHV (overhead valve) engine, which features a low-oil shutdown system to prevent engine damage and keep the generator in good shape for long-term use.

This generator’s 0.5-gallon resin tank will give you up to 3.6 hours of operation at a 50-percent load. Other features include splash lubrication and electronic overload protection. It’s backed by a 2-year residential warranty, and a 6-month warranty when used for commercial purposes.

How Inverter Technology Works

Inverter generators utilize a different type of alternator than standard generators to generate AC power. The raw power produced is converted from DC to AC power by a computer-controlled inverter module. The engine speed varies depending on the electrical demand, which significantly reduces noise and fuel consumption compared to a standard portable generator. The end result is a portable generator with reduced weight and size, and power that is ultra-clean and capable of safely powering sensitive electronics.

What’s in the Box

Generac iX800-5791 gas-powered portable inverter generator (Non-CARB Compliant), first oil supply, funnel, spark plug wrench, screwdriver, and manual.

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Compare the Generac iX Series Portable Generators Model # iX800 iX1400 iX1600 iX2000 Compliance 49 State CARB 49 State 49 State Running/starting watts 800 / 850 1400 / 1450 1600 / 1650 2000 / 2200 Engine displacement 38cc 80cc 99cc 126cc Fuel tank size (gallons) 0.5 0.7 0.8 1.0 Approx. run time @ 50% (hours) 3.6 5 4.9 4.7 Fuel tank Resin Steel Resin Resin Circuit breaker protection 6.6 Amps AC 12.5 Amps AC
5 Amps DC 13.3 Amps AC
5 Amps DC 16.7 Amps AC
5 Amps DC DC charging cable No Yes Yes Yes Outlets 2 x 5-15R 2 x 5-15R
1 x 12V DC 2 x 5-15R
1 x 12V DC 2 x 5-20R
1 x 12V DC Dimensions (LxWxH, inches) 18 x 10 x 15 21 x 11 x 18 21 x 11 x 18 22 x 11 x 18 Weight (pounds) 29 46 43.5 49.6