Genmax GM3500iAED - 3200/3500W Dual Fuel Inverter Generator With Remote Start

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Genmax GM3500iAEDGenmax GM3500iAEDGenmax GM3500iAEDGenmax GM3500iAED
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Zoom on the Genmax GM3500iAED

In a few words, the Genmax GM3500iAED is a compact and lightweight portable inverter generator perfectly suited for:

  • RV travellers who wish to upgrade their experience to another level
  • Occasional participants of outdoor events, competitions, concerts and festivals
  • Amateur DIY lovers
  • Homeowners who want to be able to use the most necessary devices in their household, even during a blackout
  • Camping and tailgating hobbyists looking for a portable power source

In the sections ahead, the power characteristics, availability of various outlets, the portability, and any additional features of the device shall be discussed.

Power & Run Time

The Genmax GM3500iAED in use

The Genmax GM3500iAED

Delivering 120V, the Genmax GM3500iAED is enhanced by dual-fuel technology, providing power and versatility. Running on gasoline, it boasts a running wattage of 3,200W and a starting wattage of 3,500W. Alternatively, when propane-powered, it delivers 2,800 running watts and 3,100 starting watts. Moreover, the parallel capability (parallel kit (opens in a new tab) not included) allows for increasing of power output when paired with another similar or compatible unit, providing increased energy capacity and reliability for diverse needs.

The inverter generator, rated for a noise of 62 dBA (just slightly more noisy than background music), provides flexibility in starting, offering both a classic hand-operated recoil starting mechanism and a no-fuss and convenient electric starter (battery included). The GM3500iAED can also be remotely started, offering further convenience (key fob included).

The GM3500iAED, with a fuel capacity of 1.7 gallon, reaches a run time of up to 8 hours utilizing gasoline (fuel consumption around 0.21 GPH). Alternatively, it can reach a run time of up to 16 hours (estimation based on a 20 lbs tank - propane consumption around 0.29 GPH) with propane.

The <3% Total Harmonic Distortion (THD) of the GM3500iAED ensures a clean sine wave output, providing a secure power source for your sensitive electronics through its AC outlets.


The control panel features the following 3 AC outlets:

Duplex 120V 20A (5-20R)
120V 30A (L5-30R) receptacle

Additionally, it features 2 DC outlets: there's two 5V USB ports (USB-A) perfect for conveniently charging mobile phones, tablets, and other electronic devices.

Despite not having the 'RV Ready' status, this Genmax generator provides the benefit of convenient RV compatibility through its L5-30R receptacle, enabling you to easily power your RV using an L5-30P to TT-30R adaptor (included).


With its enclosed inverter generator design (L20.9 x W12.2 x H19.7 in), the Genmax GM3500iAED offers superior aesthetics and operates with minimized noise levels, distinguishing itself from standard, open frame generators. The featured design follows the latest trends and is ideal for easy and recreational use.

With a dry weight of 56.2 lbs, the GM3500iAED can easily follow you wherever your power needs are. Additionally, its set of 2 wheels (⌀4") and its telecospic handle will allow for simple relovation of the generator once it's on the ground.


Panel of the Genmax GM3500iAED

The GM3500iAED's control panel

For easy status and activity monitoring of the GM3500iAED, its control panel integrates a digital data center, offering insights into the power output, frequency, voltage, lifetime run hours and fuel level.

In addition to this info, when the generator is ready, the generator is on overload and the oil level is too low, you will be informed by the featured light indicators.

Regarding security, the generator comes with an automatic low oil shut-off and an overload protection (circuit breaker), providing peace of mind during operation.

It also benefits from Genmax's CO DETECT technology, which is designed to monitor the level of carbon monoxide present during the generator's operation. If the generator is positioned incorrectly and carbon monoxide levels rise to an unsafe level, the generator will automatically shut down.

Alongside the standard documentation and an owner's manual (opens in a new tab) for quick setup, the Genmax GM3500iAED is bundled with additional accessories: tool kit, propane hose, RV adapter, funnel and key fob.

Product Videos

The Genmax GM3500iAED versus other generators

The following charts are provided to give you an idea of how some of the key specs of the Genmax GM3500iAED compare to inverter generators of similar power (between 2500 and 3500 W).

  • Regarding its weight, the Genmax GM3500iAED only weighs in at 56.2 pounds, which means it's one of the lighter inverter generators in the 2500-3500 rated wattage range. If weight matters to you, one of the champions in this power range is the Pulsar PGD40iSCO with only 46 pounds.
  • With noise emissions reaching as low as 62 dBA, this inverter generator has a noise level typical for devices of its type and power category. If noise level is one your key decisive factors, you may find the Honda EU3000iS appealing. It's rated at 50 dBA, making it one of the quietest generators in its power range.
  • Concerning its runtime, the GM3500iAED provides up to 8 hours at a 25% load, indicating that it falls on the lower side compared to other generators of its type and power range. Furthermore, considering the run times, one of the generators which have a roughly same power output, with the highest autonomy, is the Champion 200914, as it provides up to 22 hours.
  • Even though run times are undoubtedly important, they are dependent on the fuel capacity to a large extent. For a more wholesome picture, we must take into consideration the fuel consumption of the generator. Compared to similar devices, this inverter generator is less fuel-efficient than most: it burns around 0.21 gallons of gasoline per hour at a 25% load. If minimizing fuel usage is one of your key priorities, the Energizer eZV3500P is one of the most efficient devices with similar power output, with a gasoline consumption of only 0.13 gallons per hour.

Price comparison

As you can see from these interactive charts, when compared to other 2500-3500W dual fuel inverter generators, the Genmax GM3500iAED is on the average side of the price range.

Therefore, this generator nicely fits in the expected budget for this kind of product.

The bottom line

  • In the expected price range
  • Dual Fuel
  • CO DETECT technology
  • Several accessories included
  • RV adapter included
  • Remote start
  • Parallel capable
  • Inverter
  • Lightweight (56.2 lbs)
  • Acceptable noise (62 dBA)
  • 1-year warranty
  • Relatively low run time
  • Low fuel efficiency

Do you own the Genmax GM3500iAED and agree (or disagree) with these strengths and weaknesses?

Let us know and write your own review.

Features and Specifications

Parallel capableYes, cable not included
RV readyNo
FuelDual Fuel (gasoline/propane)
Engine145 cc Dinking OHV 4-stroke
Starting systemRecoil, Electric, Remote
Warranty1 year
VoltageAC: 120V 60 Hz, DC: 5V
Running watts3,200 W2,800 W
Starting watts3,500 W3,100 W
Running amps26.7 amps23.3 amps
Peak amps29.2 amps25.8 amps
Run time @50% loadUnknownUnknown
Run time @25% load8 h16 h *
GFCI outletsNo
Covered outletsYes
Automatic Voltage RegulationInverter
AC outlets
  • 1x Duplex 120V 20A (5-20R)
  • 1x 120V 30A (L5-30R)
DC outlets2x 5V USB port (USB-A)
Data centerPower output, fuel level, lifetime run hours, voltage and frequency
IndicatorsLow oil, overload and output ready
Fuel tankPlastic, 1.7 gal
Fuel gaugeDigital
Weight56.2 lbs
Approx. dimensions (L x W x H)20.9 x 12.2 x 19.7 in
Noise (lower limit)62 dBA
THD< 3%
ComplianceEPA, ANSI/PGMA G300-2018
SecurityLow oil and overload protection, CO monitoring
Spark arrestorYes
NeutralBonded to frame
Accessories includedFunnel, tool kit, key fob, propane hose, RV adapter, and battery
Country of originChina

Unlike many websites, we did our best to research each of the specs above. That being said, we are not immune to making the occasional mistake or omission. Should you notice any missing or incorrect values, don't hesitate to suggest improvements so we can address the issue.
* Propane runtime is our own estimation, based on a 20 lbs tank and NIST 1994 GGE (Gasoline Gallon Equivalent) formula: 5.66 lbs of propane = 1 gal of gasoline.

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About Genmax

GENMAX is a new portable generator brand registered by the Chongqing Dinking Power Machinery Co. LTD., which itself was founded in 2010 and is currently located in Chongqing, China. Dinking specializes in the general motor industry and manufactures portable generators, power sources, water pumps, garden machinery and construction machinery for foreign markets. Among most notable achievements are Dinking’s exclusive contract with Hyundai and 5th place in the ranking of Chinese foreign trade exporters in general motor industry (2016). GENMAX brand portfolio includes a sizeable selection of gas-powered generators covering all common wattage categories.

Warranty Information

The Genmax GM3500iAED is covered under a warranty for up to 1 year. This warranty may be limited and may not cover all parts of the generator.
For more information about the warranty of Genmax generators, please contact the Genmax Customer Support: 1-866-960-2920.

Questions & Answers

What can it power?
Examples of items that can be simultaneously powered.
The examples below are based on a maximum load of 80% and estimated wattages. For a more accurate estimation, use our wattage calculator.
ItemRunning WattsStarting Watts
At homeElectric fry pan15001500
Refrigerator (energy star)1921192
Toaster oven800800
Total2492 W3492 W
For campingRV AC (11,000 BTU)10101600
RV refrigerator180600
Radiant heater13001300
Set of 5 LED light bulbs5555
Total2545 W3135 W
For workGrinder14002500
Reciprocating saw730960
Electric fence (25 miles)250250
Total2380 W3480 W

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Genmax GM3500iAED
4.5 Total Score
3 reviews
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User Reviews

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  1. 4.75

    I ordered this with subdued expectations. It is not a Honda so I expected expected half the performance for paying less than half the price. Worked right out of the box for me. Quality build (similar to Yamaha). Ran for one hour then changed oil… this is highly recommended as there were alot of metal flakes. Changed oil again after 2nd hour under 25% load… no metal flakes. Running on only propane so far. Have tested it at PEAK and both 50% and 80% running load. Very little noise difference. This is where I usually like to run the generator. If I need more power I will use gas instead of LP. LAck of 30A plug is not really a big deal as an adapter comes with the unit. In terms of usage for a travel trailer I find this all around easier and a bit better than the Predator 3500. Lighter, quieter, easier to move…

    + PROS:
    • Size, weight, handle, noise level.
    - CONS:
    • Lack of 30A RV plug
    Helpful(0) Unhelpful(1)You have already voted this
  2. 1.4

    I purchased this inverter generator and it wouldn’t run straight out the box. Obviously, I didn’t mean I took it out the box and tried to run it. The proper amount of oil and fuel was put in it and the battery cable was connected. It would crank, but only run for a few seconds then the overload light would come on. Even with it cranking, it seemed to only run at a fraction of it’s ability. Then the CO2 light flashed, which the label states it needs maintenance. Don’t know what happened to QC at this company, but this unit DEFINITELY wasn’t checked, prior to shipping.

    + PROS:
    • Price compared to stated specs and features.
    - CONS:
    • Wouldn't run out the box!
    Helpful(3) Unhelpful(2)You have already voted this
  3. 0.65

    Several quality control issues right out of the box and also a very dangerous flaw with this machine. I’ve done many reviews and helped re-engineer some. This had poor wire routings, engine shakes bad at idle, changing oil you have to tip to the side to drain. Doing so leaks gas out of the tank vent and it fills the air filter box with gas which then runs out back by a hot muffler…no kidding. GenMax offered a warning sticker to fix this dangerous flaw. These could be such good machines if they used quality parts and had parts and service in the USA. I highly can’t recommend at all.

    + PROS:
    • Quiet, full pannel, light weight.
    - CONS:
    • Leaks gas into air fitter box when changing oil, load display not accurate, engine shakes bad. Cheap parts used.
    Helpful(6) Unhelpful(9)You have already voted this

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