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Genmax GM3500iAED - 3200/3500W Dual Fuel Inverter Generator

The Genmax GM3500iAED is a compact and lightweight dual fuel inverter generator with a rated wattage of 3,200 W and a starting wattage of 3,500 W.

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Description

Zoom on the Genmax GM3500iAED

In a nutshell, the Genmax GM3500iAED is a compact and lightweight portable inverter generator mostly geared towards:

  • RV travellers looking for even more independence
  • Occasional participants of outdoor events, competitions, concerts and festivals
  • Amateur DIY lovers
  • Homeowners in need of an emergency backup power for their essentials
  • Tailgating and campground aficionados with the desire of enjoying power anywhere they go

The following sections will present you in detail its power characteristics, the different outlets it offers, its overall portability, the extra features it benefits from, and any relevant emission compliance details.

Power & Run Time

The Genmax GM3500iAED in use

The Genmax GM3500iAED

With its dual-fuel technology, the powerful and versatile Genmax GM3500iAED provides an output of 120V. While gasoline-powered, it gives a running wattage of 3,200W along with a peak wattage of 3,500W. While propane-powered, it provides 2,800 rated watts and 3,100 starting watts. In addition, as it is parallel capable (parallel kit (opens in a new tab) not included), this power can be increased when linked to another similar or compatible unit.

The inverter generator features a simple traditional pull-start mechanism and also a simple and elegant electric starter (battery included). It is rated for a noise of 62 dBA (just slightly more noisy than an office). Moreover, to offer you even more convenience, the GM3500iAED can also be remotely started (key fob included).

Regarding its running time, the GM3500iAED, with a 1.7 gallon fuel capacity can operate for up to 8 hours with a full tank of gasoline (fuel consumption around 0.21 GPH). When using propane, it can run for up to 16 hours (estimation based on a 20 lbs tank - propane consumption around 0.29 GPH).

The GM3500iAED generates a clean sine wave: providing <3% Total Harmonic Distortion (THD), delicate electronics can be plugged in its AC outlets safely.

Outlets

The control panel includes 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) allowing you to conveniently charge electronics such as mobile phones and tablets.

While this Genmax generator is not RV Ready, its L5-30R receptacle can be used for a simple RV connection with an L5-30P to TT-30R adaptor (included).

Portability

The Genmax GM3500iAED's characteristic encased inverter generator design (L20.9 x W12.2 x H19.7 in), provides an esthetical advantage over any ordinary, open frame product. This type of design is the most modern and convenient way to recreationally generate power.

The GM3500iAED's dry weight of 56.2 lbs lets you use its power anywhere needed. In addition, with its set of 2 wheels (⌀4") and its telecospic handle, it may be shifted with ease, once placed on the floor.

Features

Panel of the Genmax GM3500iAED

The GM3500iAED's control panel

To help you monitor the GM3500iAED's status and activity, its control panel is equipped with a digital data center, giving you information on the frequency, fuel level, voltage, power output and lifetime run hours.

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

As far as security is concerned, the generator can be used with a peace of mind, as it features an overload protection (circuit breaker) and an automatic low oil shut-off.

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.

With the basic documentation and an owner's manual (opens in a new tab), letting you start the generator quickly, the Genmax GM3500iAED also comes with several accessories, including: tool kit, RV adapter, key fob, funnel and propane hose.

Emissions

The Genmax GM3500iAED is EPA approved, but NOT CARB-compliant. Thus, it cannot be purchased or sold in California.

However, it features a spark arrestor and therefore, can be used in forested areas.

In addition, the unit meets the ANSI/PGMA G300-2018 safety and performance requirements.

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. In terms of weight, one of the champions in their power range is the Pulsar PGD40iSCO, standing at just 46 lbs.
  • As this inverter generator can emit noise as low as 62 dBA, it finds itself in the average expected noise for this kind of power. If noise emissions are one of your priorities, you may be interested in the Honda EU3000iS, one of the least noisy generators similarly powerful as this one, rated for 50 dBA.
  • The GM3500iAED's autonomy is somewhat low end compared to devices of its type and power range, as it reaches only up to 8 hours at 25% load on a full tank. If you consider autonomy on a single full tank as one of the deciding factors, one of the generators in the same power range that offers the highest run time is the Champion 200914, with up to 22 hours.
  • While the run time is an important parameter, it is dependent on the fuel tank’s capacity and thus, doesn’t say much on its own unless we consider fuel consumption as well. This inverter generator is somewhat less fuel efficient than devices of comparable output: its estimated fuel consumption reaches 0.21 GPH at a 25% load. If you wish to further improve in the area of fuel efficiency, the Energizer eZV3500P, which boasts with a gas consumption of only 0.13 GPH, may be the right generator for you.

Price comparison

As you can see from this interactive chart, 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

STRENGTHS:
  • 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)
AVERAGE SPECS:
  • Acceptable noise (62 dBA)
WEAKNESSES:
  • Not CARB-compliant
  • 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

General
InverterYes
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
Power
GasolinePropane
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 *
Features
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
Misc
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 generator sizer.
ItemRunning WattsStarting Watts
At homeRefrigerator (energy star)1921192
Hair dryer18001900
Blender400850
Radio100100
Total2492 W3492 W
For campingRadiant heater13001300
RV refrigerator180600
RV AC (11,000 BTU)10101600
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
Add your review
Price
6.3
Value
4
Quality
3.7
Performance
4

User Reviews

Most Recent Most Helpful Highest Rating Lowest Rating Add your review
  1. 4.75
    Price
    100
    Value
    100
    Quality
    90
    Performance
    90

    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(0)You have already voted this
  2. 1.4
    Price
    80
    Value
    10
    Quality
    10
    Performance
    10

    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(2) Unhelpful(2)You have already voted this
  3. 0.65
    Price
    10
    Value
    10
    Quality
    10
    Performance
    20

    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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