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WEN GN625i - Spec Review

The WEN GN625i is a portable open frame inverter generator with a rated wattage of 5000 W and a starting wattage of 6250 W.

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Description

Keep your family safe during power outages and natural disasters with the WEN WEN 6,250-Watt RV and Transfer-Switch Ready Inverter Generator. The included inverter provides clean energy, free of voltage spikes and drops. (source: WEN (opens in a new tab))

Zoom on the WEN GN625i

In summary, the WEN GN625i is a 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
  • 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
  • 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 WEN GN625i's engine, 301 cc OHV 4-stroke, fueled by gasoline, can deliver 120/240V. It provides a running wattage of 5000W and reaches a peak wattage of 6250W.

This inverter generator features a simple traditional pull-start mechanism.

The GN625i can operate for around 8.1 hours at 50% load with a full tank (fuel consumption around 0.52 GPH), due to its fuel capacity of 4.2 gallons.

The GN625i produces a clean sine wave: thanks to a <1.5% Total Harmonic Disruption (THD), your sensitive electronics can be safely plugged in the AC outlets.

Outlets

The control panel includes the following 6 AC outlets:

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

Furthermore, it has 2 DC outlets: there's two 5V USB ports with which you may charge electronics, for example mobile phones or tablets, conveniently.

This WEN generator is RV Ready, as it features a TT-30R receptacle (TT stands for 'Travel Trailer'). In addition, as the GN625i holds a twist-lock L14-30R receptacle, it is transfer switch ready: you'll easily be able to connect it to your breaker box to power your home during a power outage.

Portability

The WEN GN625i has a conventional, open frame design, of the following dimensions: L27 x W25 x H24 in, which offers support and allows it to be raised above ground level. The featured design is ideal for the outdoors and all tough environments.

As the generator's weight is 119.5 pounds, manually moving it or transporting it may be challenging, despite the fact that it is technically considered 'portable' (movable). Still, once it is on the ground, its set of wheels and its folding handle can easily solve the issue of low mobility and allow for easy relocation of the device.

Features

Panel of the WEN GN625i

The GN625i's control panel

The GN625i's control center features a convenient meter showing you voltage, frequency and lifetime hours to aid you with the monitoring of its status and activity.

In addition to this info, the light indicators show you if the generator is ready, its oil levels are insufficient and the generator is on overload.

The inverter generator includes a built-in fuel gauge, a quick, easy and convenient method of checking the device’s gas level.

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.

Apart from the typical documentation and an owner's manual (opens in a new tab), which lets you start it right away, the WEN GN625i also is packed along with the following accessories: 2 altitude kits and tool kit.

Emissions

The WEN GN625i is EPA-approved and CARB-compliant. Thus, selling and purchasing this generator is allowed in each of the 50 states, including California.

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

Product Videos

The WEN GN625i versus other generators

The following charts are provided to give you an idea of how some of the key specs of the WEN GN625i compare to generators of similar power (between 4500 and 5500 W).

  • In terms of its dry weight, the WEN GN625i stands at only 119.5 lbs, meaning that is one of the lighter devices of the 4500-5500 rated wattage category If weight is your top priority, one of the champions in this power category is the WEN GN6000, weighing just 119 pounds.
  • The GN625i's autonomy is somewhat low end compared to devices of its power range, as it reaches only around 8.1 hours at 50% load on a full tank. If autonomy is your priority, one of the devices of a similar power output with the highest run time is the Cat RP5500, reaching around 15 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. As this inverter generator uses an estimated 0.52 GPH (gallon per hour) at a 50% load, it finds itself in the average gasoline consumption range of similar products. If you are concerned with gasoline efficiency, having a fuel consumption of just 0.43 GPH, the Westinghouse WGen5300DFv is a device you could look out for.

Price comparison

As you can see from this interactive chart, when compared to other 4500-5500W generators, the WEN GN625i 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
  • Several accessories included
  • RV Ready
  • Inverter
  • Lightweight for its kind (119.5 lbs)
AVERAGE SPECS:
  • Decent fuel efficiency
WEAKNESSES:
  • No electric start
  • No parallel ports
  • Relatively low run time

Do you own the WEN GN625i 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 readyYes
FuelGasoline
Engine301 cc OHV 4-stroke
Starting systemRecoil
Power
VoltageAC: 120/240V 60 Hz, DC: 5V
Running watts5000 W
Starting watts6250 W
Running amps (@120/240V)41.7/20.8 amps
Peak amps (@120/240V)52.1/26 amps
Run time @50% load8.1 h
Run time @25% loadUnknown
Features
GFCI outletsNo
Covered outletsYes
Automatic Voltage RegulationInverter
AC outlets
  • 2x Duplex 120V 20A (5-20R)
  • 1x 120V 30A (TT-30R)
  • 1x 120/240V 30A (L14-30R)
DC outlets2x 5V USB port
Data centerVFT
IndicatorsLow oil, overload and output ready
Fuel tank4.2 gal
Fuel gaugeYes
Misc
Weight119.5 lbs
Approx. dimensions (L x W x H)27 x 25 x 24 in
Noise (lower limit)Unknown
THD< 1.5%
EmissionsCARB, EPA
SecurityLow oil and overload protection
Spark arrestorYes
NeutralFloating
Accessories includedTool kit, 2 altitude kits, and wheel kit
Warranty2 years

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 WEN

WEN Products, founded by Nick Anton in 1951, is an American power tool manufacturer and distributor, which claims to have a part in the development of modern chainsaw, soldering devices and wet sharpeners, through its research in random orbital technology. The Illinois based company expanded its distribution network to include various power tools, such as presses, drills and of course, power generators. As a distributor, WEN’s portfolio largely consists of branded products of different manufacturers, imported from Asia.

Warranty Information

The WEN GN625i is covered under a warranty for up to 2 years. This warranty may be limited and may not cover all parts of the generator.
For more information about the warranty of WEN generators, please consult WEN's warranty policies (opens in a new tab). Alternatively, you can also contact their Customer Support: 1-847-429-9263.

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 homeSump pump (1/2 hp)10502150
Furnace fan (1/2 hp)8752350
Refrigerator (energy star)1921192
Hair dryer18001900
Set of 5 LED light bulbs5555
Cell phone charger2020
Total3992 W5467 W
For campingRadiant heater13001300
RV refrigerator180600
Hair dryer18001900
Rice cooker650650
Set of 5 LED light bulbs5555
Total3985 W4405 W
For workTable saw18004500
Grinder14002500
Electric fence (25 miles)250250
Bug zapper8080
Total3530 W6230 W

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