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The Genmax GM3500IAD is a portable inverter generator that runs on gasoline or propane, switchable with a dial on the control panel even while running. It delivers 3500 peak and 3200 rated watts on gasoline, or 3100 peak and 2800 running watts on propane, with under 3% THD for sensitive electronics. CO Detect shuts the unit off when carbon monoxide reaches unsafe levels, and two units can be paralleled to double output. It suits campers, tailgaters and homeowners who want quiet backup power for essentials; rivals like the Champion 3400-Watt and Westinghouse iGen4500df offer similar dual-fuel output, but few match the sub-3% THD and CO shutoff together at this size.
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Lowest price we've seen: $599.99 on Nov 9 at Homery. Tracked across 1 store since Nov 9.
The Genmax GM3500IAD is a portable dual fuel inverter generator that runs on gasoline or propane. A dial on the control panel switches between the two fuels, even while the generator is running. It produces clean power with less than 3% THD.
On gasoline it delivers 3500 peak watts and 3200 rated watts. On propane it delivers 3100 peak watts and 2800 running watts. CO Detect automatically shuts the generator off when it senses unsafe carbon monoxide levels.
Two GM3500iAD units can be connected in parallel to double the output to 7000 peak watts and 6400 running watts. The parallel kit is sold separately. A telescopic rod and two rolling wheels make it easier to move.
