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Genmax GM5500i - Spec Breakdown

The Genmax GM5500i is a compact inverter generator with a rated wattage of 5000 W and a starting wattage of 5500 W.

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Price History
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Price history for the Genmax GM5500i
Latest updates:
  • $1,155.00 - May 13, 2022
  • $1,099.99 - May 11, 2022
Data source: homedepot.com
Since: May 11, 2022
  • Highest Price: $1,155.00 - May 13, 2022
  • Lowest Price: $1,099.99 - May 11, 2022

Description

Zoom on the Genmax GM5500i

In summary, the Genmax GM5500i is a compact portable inverter generator especially useful for:

  • RV travellers looking for even more independence
  • People occasionally participating in sporting competitions, open-air performances and outdoor festivals
  • Food truck owners who do not wish to see their business interrupted under any circumstances
  • Homeowners who want to be sure of their ability to power their fridges, cooking tools, heating and lighting equipment during power failures
  • Camping and tailgating buffs looking to enhance their experience
  • Professionals who want to be able to deliver results, even during a power failure

In the following paragraphs, we shall explore the power characteristics, available outlets, portability, and any additional features of the device, along with its emission compliance information.

Power & Run Time

The Genmax GM5500i in use

The Genmax GM5500i

The Genmax GM5500i's core is the 312 cc Dinking OHV 4-stroke engine, which runs on gasoline. With an output of 120/240V, it provides a running wattage of 5000W and a peak wattage of 5500W.

At a noise rating of 62 dBA (just slightly more noisy than a normal conversation), this inverter generator can be started via a simple traditional pull-start mechanism, or a convenient and easy-to-use electric starter (battery included).

The GM5500i can operate for up to 13 hours with a full tank (fuel consumption around 0.27 GPH), due to its fuel capacity of 3.5 gallons.

The GM5500i generates a clean sine wave: providing <5% Total Harmonic Disruption (THD), delicate electronics can be plugged in its AC outlets safely.

Outlets

The control panel features the upcoming 5 AC outlets:

Two Duplexes 120V 20A (5-20R) GFCI
120/240V 30A (L14-30R) receptacle

Furthermore, it has 2 DC outlets: there's two 5V USB ports (USB-A) with which charging of electronics like mobile phones and tablets is made convenient.

Because the GM5500i is equipped with a twist-lock L14-30R receptacle, it is transfer switch ready: it can power your home during a power outage, as it can be easily connected to your breaker box to power your household.

Portability

Thanks to its closed inverter generator design (L21.1 x W18.5 x H24 in), the Genmax GM5500i, is more esthetical than a typical, open frame generator. The design follows the contemporary trends and is perfect for recreationally generating power.

Since the generator weighs 116.6 lbs, it will be incredibly difficult to manually lift it and transport it, even though it is technically considered to 'be portable' (in the sense that it is movable). Still, once it is on the ground, its set of 2 wheels (⌀5.5") and its telecospic handle can easily solve the issue of low mobility and allow for easy relocation of the device.

Features

Panel of the Genmax GM5500i

The GM5500i's control panel

Monitoring of the GM5500i's status and activity is made possible by a digital data center, which provides information on the power output, lifetime run hours, fuel level, voltage and frequency and is one of the features of its control panel.

In addition to this info, when the generator is overloaded, the generator is ready and its oil levels are insufficient, you will be informed by the featured light indicators.

As for its security measures, the device features an automatic low oil shut-off and an overload protection (circuit breaker), letting you use it with a peace of mind.

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).

Apart from the typical documentation and an owner's manual (opens in a new tab), which lets you start it right away, the Genmax GM5500i also is packed along with the following accessories: tool kit and funnel.

Emissions

The Genmax GM5500i is EPA approved, but NOT CARB-compliant. Thus, it cannot be purchased or sold in California.

However, it features a spark arrestor and thus, may be used in forested areas.

Product Videos

The Genmax GM5500i versus other generators

The following charts are provided to give you an idea of how some of the key specs of the Genmax GM5500i compare to generators of similar power (between 4500 and 5500 W).

  • Regarding its weight, the Genmax GM5500i only weighs in at 116.6 pounds, which means it's one of the lighter generators in the 4500-5500 rated wattage range. In terms of weight, one of the champions in their power range is the Genmax GM6000XiE, standing at just 106.9 lbs.
  • With a lowest possible noise of 62 dBA, this inverter generator places itself amongst the more quiet of the products delivering similar power. If noise emissions are one of your priorities, you may be interested in the Honda EU7000iS, one of the least noisy generators similarly powerful as this one, rated for 52 dBA.
  • Autonomy-wise, with up to 13 hours on a full tank at a 25% load, the GM5500i is on the low end when compared to other generators of a similar power output. If concerned with autonomy, one of the products of a comparable power output, which offers the highest run time, is the Westinghouse WGen5500, boasting with up to 20 hours.
  • Autonomy holds its importance, however, it is largely dependent on the generator’s fuel capacity and so, it is nonsensible to discuss it without mentioning fuel efficiency as well. This inverter generator, with an estimated fuel consumption of just 0.27 GPH (gallon per hour) at 25% load, is one of the most fuel efficient generators, for the previously mentioned wattage range.

Price comparison

As you can see from this interactive chart, when compared to other 4500-5500W generators, the Genmax GM5500i 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
  • CO DETECT technology
  • Several accessories included
  • GFCI Outlets
  • Electric start
  • Inverter
  • Lightweight for its kind (116.6 lbs)
  • Quiet for its power (62 dBA)
  • Fuel efficient
WEAKNESSES:
  • No remote start
  • No parallel ports
  • Not CARB-compliant
  • 1-year warranty
  • Relatively low run time

Do you own the Genmax GM5500i and agree (or disagree) with these strengths and weaknesses?

Let us know and write your own review.

Features and Specifications

General
InverterYes
PortableYes
Parallel capableNo
RV readyNo
FuelGasoline
Engine312 cc Dinking OHV 4-stroke
Starting systemRecoil, Electric
Power
VoltageAC: 120/240V 60 Hz, DC: 5V
Running watts5000 W
Starting watts5500 W
Running amps (@120/240V)41.7/20.8 amps
Peak amps (@120/240V)45.8/22.9 amps
Run time @50% load8.5 h
Run time @25% load13 h
Features
GFCI outletsYes
Covered outletsYes
Automatic Voltage RegulationInverter
AC outlets
  • 2x Duplex 120V 20A (5-20R) GFCI
  • 1x 120/240V 30A (L14-30R)
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 tankSteel, 3.5 gal
Fuel gaugeDigital
Misc
Weight116.6 lbs
Approx. dimensions (L x W x H)21.1 x 18.5 x 24 in
Noise (lower limit)62 dBA
THD< 5%
ComplianceEPA, ANSI/PGMA G300-2018
SecurityLow oil and overload protection, CO monitoring
Spark arrestorYes
NeutralBonded to frame
Accessories includedFunnel, tool kit, and battery
Warranty1 year
UPC768494055455

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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Warranty Information

The Genmax GM5500i 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 homeDish washer15003000
Electric fry pan15001500
Refrigerator (energy star)1921192
Toaster oven800800
Total3992 W5492 W
For campingRV AC (11,000 BTU)10101600
RV refrigerator180600
Hair dryer18001900
Toaster oven800800
Mixer200200
Total3990 W4580 W
For workTable saw18004500
Reciprocating saw730960
Drain cleaner250250
Total2780 W5480 W

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