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Genmax GM5500i - 5000/5500W Inverter Generator With Electric Start

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

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Price History
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Price history for the Genmax GM5500i
Latest updates:
  • $900.00 - August 31, 2023
  • $707.13 - August 31, 2023
  • $900.00 - July 22, 2023
Data source: ebay.com
Since: July 22, 2023
  • Highest Price: $900.00 - July 22, 2023
  • Lowest Price: $707.13 - August 31, 2023

Description

Zoom on the Genmax GM5500i

To sum up, the Genmax GM5500i is a compact portable inverter generator tailored for:

  • RV travellers who wish to upgrade their experience to another level
  • People occasionally participating in outdoor fairs, festivals or events
  • Food truck owners who do not wish to see their business interrupted under any circumstances
  • 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
  • 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.

Power & Run Time

The Genmax GM5500i in use

The Genmax GM5500i

With a 312 cc Dinking OHV 4-stroke engine, the Genmax GM5500i operates on gasoline, providing 120/240V, with a running wattage of 5,000W and a starting wattage of 5,500W.

Featuring a noise rating of 62 dBA (just slightly more noisy than background music), the inverter generator is equipped with both a manual recoil starter system and an easy-to-use and reliable electric starter (battery included) for starting.

Featuring a 3.5 gallons fuel tank, the GM5500i guarantees continuous power for up to 13 hours on a full tank (fuel consumption around 0.27 GPH).

With a <3% Total Harmonic Distortion (THD), the GM5500i delivers a clean sine wave—essential for safeguarding your delicate electronics when plugged into its AC outlets.

Outlets

The control panel provides the upcoming 5 AC outlets:

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

In addition, it provides 2 DC outlets: there's two 5V USB ports (USB-A) providing convenient charging capabilities for mobile phones, tablets, and other electronic devices.

As it features a twist-lock L14-30R receptacle, the GM5500i is transfer switch ready: in case of a power outage, you will be easily able to connect it to a breaker box and power your household.

Portability

With an inverter generator design, the Genmax GM5500i features a closed construction (L21.1 x W18.5 x H24 in), enhancing aesthetics and ensuring reduced noise levels, offering a distinct advantage over standard, open frame generators. The generator has a contemporary design, convenient for recreationally generating power.

Though weighing 116.6 lbs, the generator remains classified as 'portable,' indicating its capability to be moved, though its weight could pose transport challenges. However, the constrained maneuverability is addressed with the assistance of its set of 2 wheels (⌀5.5") and its telecospic handle, allowing for easy shifting once the generator is placed on the ground.

Features

Panel of the Genmax GM5500i

The GM5500i's control panel

The GM5500i's control panel is equipped with a digital data center, furnishing detailed information on the frequency, power output, voltage, lifetime run hours and fuel level for you to easily track its activity and status.

In addition to this info, the light indicators show you if the oil level is too low, the generator is on overload and the generator is ready.

As far as security is concerned, the generator comes with an automatic low oil shut-off and an overload protection (circuit breaker), providing peace of mind during use.

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.

In addition to the traditional documentation and an owner's manual (opens in a new tab) to help you get started promptly, the Genmax GM5500i also includes several accessories: tool kit and funnel.

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 weight, the Genmax GM5500i comes in at only 116.6 pounds, positioning itself as one of the lighter options among generators spanning from 4500 to 5500 in rated wattage. Regarding dry weight, one of the champions in the same power range is the Champion 201238, with a dry weight of only 101.4 lbs.
  • Delivering a rated noise output as low as 62 dBA, this inverter generator is has a quieter operation that most units of similar power. If you’d prefer a less noisy device, one of the most quiet devices, which share the same power range with this one, is the Honda EU7000iS, whose lowest noise levels reach just 52 dBA.
  • The GM5500i's autonomy is somewhat low end compared to devices of its power range, as it reaches only up to 13 hours at 25% load on a full tank. Concerning the run times, one of the several devices with a comparable output, offering the highest autonomy, is the DuroMax XP5500EH, which is able to run for up to 19 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 has an estimated fuel consumption of roughly 0.27 GPH (gallon per hour) at a 25% load, rendering it somewhat average compared to devices of a similar output. If minimizing fuel usage is one of your key priorities, the DuroMax XP7000iH is one of the most efficient devices with similar power output, with a gasoline consumption of only 0.19 gallons per hour.

Price comparison

As you can see from these interactive charts, 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
  • 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< 3%
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 generator size calculator.
ItemRunning WattsStarting Watts
At homeMicrowave (1000 watts)15001500
Dish washer15003000
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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