
GENMAX 4500W Peak Dual-Fuel Silent Inverter Generator (2026 Model)
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Compared across 2 stores. Prices are checked against each store and labelled with when.

Compared across 2 stores. Prices are checked against each store and labelled with when.
It checks today's price at every store, compares the alternatives and answers in about a minute.
The GENMAX GM4500iSAD is a dual-fuel inverter generator that runs on gasoline or propane. It produces up to 4500 peak watts and delivers clean power with under 3% THD, making it safe for sensitive electronics. At 51.4 pounds, it is lighter than many 4500W inverter generators, and its 62 dB(A) noise level at partial load is relatively quiet. Owners like the fuel flexibility and clean power, but some mention a modest running wattage and a small fuel tank.
In stockSold by ProGen Outdoor PowerReturns: Sold by a Walmart Marketplace seller; returns go to the seller under the seller's returns policy.
In stock
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Lowest price we've seen: $699.99 on Nov 9 at Homery. Tracked across 1 store since Nov 9.
Reviewers appreciate the dual-fuel capability, clean power, and portability of the GENMAX GM4500iSAD. Many find it reliable for camping and emergency backup, though some note the running wattage is modest and the fuel tank is small.
The GENMAX GM4500iSAD dual-fuel portable inverter generator brings flexible power choices for home emergency backup and outdoor recreation. Powered by a 145cc 4-stroke OHV engine, it supports gasoline and propane operation with clear power specifications for both fuels. It supplies ultra-clean power with THD below 3%, protecting televisions, laptops and precision electronic equipment. Weighing just 51.4 pounds, the compact design supports convenient transport and storage. Running noise stays at 62 dB(A) under partial load, suitable for residential areas and campgrounds. The intelligent Eco Throttle feature optimizes fuel consumption and lengthens runtime. Rich outlet configurations cover RV, household, DC and USB charging needs to power multiple devices at the same time. Backed by a 3-year limited warranty and ongoing expert technical service, this EPA certified power unit delivers reliable portable power for camping, RV travel and construction sites.











