Genmax GM10500iETC Tri-Fuel Inverter Generator
4.3Best price now
$1,830.00at WalmartObserved Nov 3, 2026, 5:51 PM
16% under what the other stores charge
Compared across 4 stores. Prices are checked against each store and labelled with when.
16% under what the other stores charge
Compared across 4 stores. Prices are checked against each store and labelled with when.
The Genmax GM10500iETC is a tri-fuel inverter generator that runs on gasoline, propane or natural gas. It is the most powerful single-cylinder inverter Genmax makes, with 10,500 starting watts and 8,500 running watts on gasoline, dropping to 6,800 running watts on natural gas. Total harmonic distortion stays under 3%, so it can run sensitive electronics, and it has a 50A 14-50R outlet plus remote and ATS start. At $1,500.84 at eBay as of November 3, 2026, it sits at the low end of its recent range, with 5 stores selling it new.
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Lowest price we've seen: $1,739.40 on Nov 3 at Fashodre. Tracked across 9 stores since Nov 3.
With 38 ratings averaging 4.3 out of 5, owners mostly report it starts large loads and runs clean power. Complaints center on weight and the drop in output on natural gas.
Strong Load Capacity: GM10500iETC has the maximum power among single cylinder silent inverter generator,the whole machine can work stably at 8500w running watts and 10500w stating watts on gasoline, 8000w running watts and 9500w stating watts on LPG, 6800w running watts and 8400w stating watts on Natural Gas, so large load starting current equipment, air compressor/blower/air conditioner can carry at one time.THD less than 3% perfect for sensitive equipments such computor and cell phone. Diversified functional control Panel：Easy operation panel with remote start one-button start/electric start /ATS automatic control, etc., diversified configuration: equipped with 1X 120/240V AC 30A L14-30R Outlet,DC Cigarette Lighter Outlet: 12V DC 8.3A, 1X 120/240V AC 50A 14-50R Outlet,4X120V AC 20A 5-20R Outlet,CO Alarm, Parallel Connectors,Battery Charging Port makes easy to charge the battery, overload reset switch and LED Light,as well as Voltage transfer Switch can meet 120V/240V simultaneous use, make sure get full 50amps. Neutral Floating：For easy bonding, make it perfect for home standby back up power easy connect the house. Using our special Bonding Plug(Sold seperately) to change the neutral floating to neutral bonded status for portable use. Tri-fuel selectivity：Multi fuel choice can reduce the fuel shortage risk, gasoline and LPG, Natural Gas can be used.Fuel selector switch design patent, smooth operation, easy to use. Perfect protection devices: The whole machine is equipped with perfect protection devices, such as overload protection, thermal protection, overvoltage protection, undervoltage protection, overcurrent protection, short circuit protection, overspeed protection, etc., which greatly facilitates the user's operation and improves the reliability/safety of the whole machine; GENMAX Support: Includes 1-year warranty with FREE lifetime technical support from experts.