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Genmax GM3300i - 3000/3300W Inverter Generator

The Genmax GM3300i is a compact and lightweight inverter generator with a rated wattage of 3000 W and a starting wattage of 3300 W.

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Price History
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Price history for the Genmax GM3300i
Latest updates:
  • $649.99 - August 27, 2022
  • $683.00 - May 13, 2022
  • $649.99 - May 11, 2022
Data source: homedepot.com
Since: May 11, 2022
  • Highest Price: $683.00 - May 13, 2022
  • Lowest Price: $649.99 - May 11, 2022

Description

Zoom on the Genmax GM3300i

In summary, the Genmax GM3300i is a compact and lightweight portable inverter generator especially useful for:

  • RV travellers wishing to enhance their freedom and nomad lifestyle
  • People occasionally participating in sporting competitions, open-air performances and outdoor festivals
  • DIYers who wish to improve their efficiency with tools
  • 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 GM3300i in use

The Genmax GM3300i

The Genmax GM3300i houses a 145 cc (5.2 hp) Dinking OHV 4-stroke engine, which provides 120V, consumes gasoline and delivers a running wattage of 3000W along with a peak wattage of 3300W. In addition, as it is parallel capable (parallel kit (opens in a new tab) not included), this power can be doubled when linked to another similar or compatible unit.

With a noise rating of 62 dBA (just slightly more noisy than background music), the inverter generator features a conventional pull-start mechanism.

With a full tank, the GM3300i can operate for up to 6 hours (fuel consumption around 0.17 GPH), thanks to its fuel capacity of 1 gallon.

Delicate electronics can be plugged in an AC outlets safely, as the GM3300i generates a clean sine wave, reaching a <3% Total Harmonic Disruption (THD).

Outlets

The control panel features the following 3 AC outlets:

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

In addition, it provides 2 DC outlets: there's two 5V USB ports (USB-A) with which you may charge electronics, for example mobile phones or tablets, conveniently.

Thanks to its TT-30R receptacle (TT stands for 'Travel Trailer'), this Genmax generator is RV Ready.

Portability

The Genmax GM3300i's characteristic encased inverter generator design (L18.9 x W11.4 x H17.3 in), provides an esthetical advantage over any ordinary, open frame product. The featured design follows the latest trends and is ideal for easy and recreational use.

With a weight of only 47.4 lbs, the GM3300i may be viewed as a lightweight and portable generator. A single person should not have any problems moving it around and thus, enjoy power availability on-the-go. It can also be carried without effort with a featured handle (molded in the case), further improving its convenience.

Features

Panel of the Genmax GM3300i

The GM3300i's control panel

The device’s light indicators will display if the oil level is too low, the generator is overloaded and the generator is ready.

Security-wise, this product benefits from an overload protection (circuit breaker) and an automatic low oil shut-off, which gives you a complete peace of mind when using it.

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. It’s a welcomed additional security feature, but don’t forget to always take your generator outside (opens in a new tab).

Besides the classic documentation and an owner's manual (opens in a new tab) to get you promptly started, the Genmax GM3300i also comes with some accessories: tool kit and funnel are included.

Emissions

The Genmax GM3300i is EPA approved, but NOT CARB-compliant. Thus, it cannot be purchased or sold in California.

However, it features a spark arrestor, so it is adequate for use in forested areas.

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

The Genmax GM3300i versus other generators

The following charts are provided to give you an idea of how some of the key specs of the Genmax GM3300i compare to inverter generators of similar power (between 2500 and 3500 W).

  • Regarding its weight, the Genmax GM3300i only weighs in at 47.4 pounds, which means it's one of the lightest inverter generators in the 2500-3500 rated wattage range.
  • 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 you are concerned with noise, check out the Honda EU3000iS, which is one of the least noisy generators in its power range, with a noise rating of just 50 dBA.
  • Regarding its autonomy, the autonomy of the GM3300i, reaching up to 6 hours at a 25% load, can be considered as low end, compared to other inverters of a roughly equal output. Concerning the run times, one of the several devices with a comparable output, offering the highest autonomy, is the Champion 200914, which is able to run for up to 22 hours.
  • Run times are important, yet thanks to their dependence on the fuel capacity, they should be judged along with the fuel consumption of the device. This inverter generator reaches an estimated fuel consumption of 0.17 GPH (gallon per hour) at a 25% load, making it average, for the previously mentioned wattage range. If you wish to acquire one of the most gasoline efficient products of this power range, the Energizer eZV3500P, with a fuel consumption of 0.13 GPH could be in your good books.

Price comparison

As you can see from this interactive chart, when compared to other 2500-3500W inverter generators, the Genmax GM3300i is on the cheap side of the price range.

It can therefore be a really good buy if you're looking to acquire a budget generator.

The bottom line

STRENGTHS:
  • Inexpensive
  • CO DETECT technology
  • Several accessories included
  • RV Ready
  • Parallel capable
  • Inverter
  • Lightweight (47.4 lbs)
AVERAGE SPECS:
  • Acceptable noise (62 dBA)
  • Decent fuel efficiency
WEAKNESSES:
  • No data center
  • No electric start
  • Not CARB-compliant
  • 1-year warranty
  • Relatively low run time

Do you own the Genmax GM3300i and agree (or disagree) with these strengths and weaknesses?

Let us know and write your own review.

Features and Specifications

General
InverterYes
PortableYes
Parallel capableYes, cable not included
RV readyYes
FuelGasoline
Engine145 cc Dinking OHV 4-stroke
Starting systemRecoil
Power
VoltageAC: 120V 60 Hz, DC: 5V
Running watts3000 W
Starting watts3300 W
Running amps25 amps
Peak amps27.5 amps
Run time @50% load4.5 h
Run time @25% load6 h
Features
GFCI outletsNo
Covered outletsYes
Automatic Voltage RegulationInverter
AC outlets
  • 1x Duplex 120V 20A (5-20R)
  • 1x 120V 30A (TT-30R)
DC outlets2x 5V USB port (USB-A)
Data centerNo
IndicatorsLow oil, overload and output ready
Fuel tankPlastic, 1 gal
Fuel gaugeNo
Misc
Weight47.4 lbs
Approx. dimensions (L x W x H)18.9 x 11.4 x 17.3 in
Noise (lower limit)62 dBA
THD< 3%
ComplianceEPA, ANSI/PGMA G300-2018
SecurityLow oil and overload protection, CO monitoring
Spark arrestorYes
NeutralFloating
Accessories includedFunnel and tool kit
Warranty1 year
Other model numbers‎GE-3300A
UPC768494056087

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.

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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 GM3300i 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 size calculator.
ItemRunning WattsStarting Watts
At homeAC (10,000 BTU)15002200
Refrigerator (energy star)1921192
Coffee maker600600
Total2292 W3292 W
For campingRV AC (11,000 BTU)10101600
RV refrigerator180600
Toaster oven800800
Blender400850
Total2390 W2980 W
For workGrinder14002500
Reciprocating saw730960
Total2130 W3230 W
How many ounces oil does a genmax 3300i take (Asked May 18, 2022)

Engine oil capacity is 15.3 fl. oz.

Where and how can I find parts for this product? I am having trouble finding anything for this generator (Asked July 15, 2022)

Replacement parts can be ordered directly through GenMax: 1-866-960-2920.

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