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Genmax GM5500i - 5000/5500W Inverter Generator

The Genmax GM5500i is a compact inverter generator with a rated wattage of 5,000 W and a starting wattage of 5,500 W.

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Price History
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Price history for the Genmax GM5500i
Latest updates:
  • $999.99 - May 18, 2023
  • $1,099.99 - February 6, 2023
Data source: walmart.com
Since: February 6, 2023
  • Highest Price: $1,099.99 - February 6, 2023
  • Lowest Price: $999.99 - May 18, 2023

Description

Zoom on the Genmax GM5500i

In a nutshell, the Genmax GM5500i is a compact portable inverter generator mostly geared towards:

  • RV travellers wishing to enhance their freedom and nomad lifestyle
  • Occasional participants of outdoor events, competitions, concerts and festivals
  • Food van owners who know that just a short power outage could lose them hundreds of dollars
  • Homeowners in need of an emergency backup power for their essentials
  • Camping and tailgating hobbyists looking for a portable power source
  • Professionals who want to ensure that a power failure will not prevent them from working

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 GM5500i in use

The Genmax GM5500i

The Genmax GM5500i's engine, 312 cc Dinking OHV 4-stroke, fueled by gasoline, can deliver 120/240V. It provides a running wattage of 5,000W and reaches a peak wattage of 5,500W.

The inverter generator is rated for a noise of 62 dBA (just slightly more noisy than an office). Its starting mechanisms include a simple traditional pull-start mechanism and a simple and elegant electric starter (battery included).

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

Delicate electronics can be plugged in an AC outlets safely, as the GM5500i generates a clean sine wave, reaching a <5% Total Harmonic Distortion (THD).

Outlets

The control panel features the following 5 AC outlets:

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

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

Due to the featured twist-lock L14-30R receptacle, the GM5500i is transfer switch ready: you may connect it to a breaker box to power your household during a power outage.

Portability

Since the Genmax GM5500i is an inverter generator, its closed design (L21.1 x W18.5 x H24 in) has an esthetical advantage over conventional, open frame devices. The generator has a contemporary design, convenient for recreationally generating power.

Even though this device may be technically portable (as in movable), manipulation and transportation without special equipment can be a challenge, as it weighs 116.6 pounds. Nevertheless, it can still be moved quite conveniently with the help of its set of 2 wheels (⌀5.5") and its telecospic handle, once it is placed on the ground.

Features

Panel of the Genmax GM5500i

The GM5500i's control panel

One of the many GM5500i's features is the data center, included in its control panel, which conveniently provides information on the lifetime run hours, frequency, fuel level, power output and voltage and thus, helps you monitor its activity and status.

In addition to this info, some light indicators allow you to instantly see if the generator is overloaded, the generator is ready and the oil level is too low.

Security-wise, this product benefits from an automatic low oil shut-off and an overload protection (circuit breaker), 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.

Besides the classic documentation and an owner's manual (opens in a new tab) to get you promptly started, the Genmax GM5500i also comes with some accessories: tool kit and funnel are included.

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.

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

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).

  • In terms of its dry weight, the Genmax GM5500i stands at only 116.6 lbs, meaning that is one of the lighter devices of the 4500-5500 rated wattage category Regarding dry weight, one of the champions in the same power range is the WEN GN5600, with a dry weight of only 103.6 lbs.
  • With a lowest noise rating of 62 dBA, the inverter generator is one of the more quiet of the generators of similar power. For those who are looking for a less noisy device, we suggest the Honda EU7000iS. With just 52 dBA, it is one of the most quiet devices in this power range.
  • 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. Furthermore, considering the run times, one of the generators which have a roughly same power output, with the highest autonomy, is the DuroMax XP5500EH, as it provides up to 19 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. This inverter generator has an average fuel consumption among comparably powerful devices, as it reaches 0.27 GPH (gallon per hour) at a 25% load. If you wish to further improve in the area of fuel efficiency, the DuroMax XP5500EH, which boasts with a gas consumption of only 0.21 GPH, may be the right generator for you.

Price comparison

As you can see from this interactive chart, when compared to other 4500-5500W inverter generators, the Genmax GM5500i 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
  • GFCI Outlets
  • Electric start
  • Inverter
  • Lightweight for its kind (116.6 lbs)
  • Quiet for its power (62 dBA)
AVERAGE SPECS:
  • Decent fuel efficiency
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
Parallel capableNo
RV readyNo
FuelGasoline
Engine312 cc Dinking OHV 4-stroke
Starting systemRecoil, Electric
Warranty1 year
Power
VoltageAC: 120/240V 60 Hz, DC: 5V
Running watts5,000 W
Starting watts5,500 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
Country of originChina
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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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 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 wattage calculator.
ItemRunning WattsStarting Watts
At homeDish washer15003000
AC (10,000 BTU)15002200
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
Electric fence (25 miles)250250
Total2780 W5480 W
Where can I pick up a replacement air filter? (Asked November 13, 2022)

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

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