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WEN DF250i - 2250/2500W Dual Fuel Inverter Generator

The WEN DF250i is a quiet, compact and lightweight dual fuel inverter generator with a rated wattage of 2,250 W and a starting wattage of 2,500 W.

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Description

Zoom on the WEN DF250i

In summary, the WEN DF250i is a quiet, compact and lightweight portable inverter generator especially useful for:

  • Tailgating and campground aficionados with the desire of enjoying power anywhere they go
  • Handcrafting enthusiasts who wish to work on-the-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 dual-fuel technology of the WEN DF250i allows for an output of 120V and provides superb power and versatility. If gasoline-powered, the device provides a running wattage of 2250W and a starting wattage of 2500W. If propane-powered, it gives 1800 rated watts and 2000 starting watts. Additionally, as the generator is parallel capable (parallel kit not included), it can be linked to a second unit for more power.

WEN’s Auto Fuel Selection technology automatically selects the fuel source (LPG or gasoline) depending on availability and prioritizes LPG. Thus, if a propane tank with enough LPG is connected, the generator will automatically use LPG. If no propane tank is connected, or if there is not enough LPG remaining in the tank, the generator will use gasoline.

The inverter generator is rated for a noise of 52 dBA (just slightly more noisy than rainfall). Its starting mechanism is based on a conventional pull-start mechanism.

The DF250i, with a fuel capacity of 1.2 gallon, reaches a run time of around 6 hours at 50% load utilizing gasoline (fuel consumption around 0.2 GPH). Alternatively, it can reach a run time of around 17 hours (estimation based on a 20 lbs tank - propane consumption around 0.28 GPH) with propane.

The DF250i generates a clean sine wave: providing <1.2% Total Harmonic Distortion (THD), delicate electronics can be plugged in its AC outlets safely.

Outlets

The control panel features the upcoming 2 AC outlets:

Duplex 120V 20A (5-20R)

It also sports 2 DC outlets: there's two 5V USB ports (USB-A) allowing you to conveniently charge electronics such as mobile phones and tablets.

Portability

Thanks to its closed inverter generator design (L19 x W11.5 x H18.2 in), the WEN DF250i, is more esthetical than a typical, open frame generator. The featured design follows the latest trends and is ideal for easy and recreational use.

Since the DF250i weighs only 48.5 lbs, it can be labeled as a portable lightweight generator. The device can be easily moved by just one person and thus, its power may be enjoyed 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 WEN DF250i

The DF250i's control panel

Several light indicators serve to show you when the generator is ready, the generator is on overload and the oil level is too low.

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

The fuel shutoff feature turns off the flow of fuel, allowing for the DF250i to use up the remaining fuel from the carburetor before automatically shutting down. This helps fight the build-up and blockages caused by stagnant fuel inside the carburetor, minimizing maintenance while prolonging the unit’s lifespan.

From a security point of view, the generator is equipped with an automatic low oil shut-off, an overload protection (circuit breaker) and a low fuel automatic shutdown, giving you a peace of mind during use.

With the basic documentation and an owner's manual (opens in a new tab), letting you start the generator quickly, the WEN DF250i also comes with several accessories, including: funnel, tool kit and propane hose.

Emissions

The WEN DF250i 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, which makes it suitable for use in forested areas.

Product Video

The WEN DF250i versus other generators

The following charts are provided to give you an idea of how some of the key specs of the WEN DF250i compare to inverter generators of similar power (between 1500 and 2500 W).

  • As its weight is 48.5 pounds, the WEN DF250i falls in the expected weight range of the inverters in the 1500-2500 rated wattage category. If you are concerned by weight, one of the champions in the above-mentioned power range is the Genmax GM2000i, with a dry weight of just 34.2 pounds.
  • Since this inverter generator is rated for a lowest possible noise of 52 dBA, it can be considered as one of the more quiet of the products generating similar power. If noise emissions are one of your priorities, you may be interested in the Honda EU2200i, one of the least noisy generators similarly powerful as this one, rated for 48 dBA.
  • Autonomy-wise, with around 6 hours on a full tank at a 50% load, the DF250i is on the low end when compared to other inverter generators of a similar power output. If autonomy is your priority, one of the devices of a similar power output with the highest run time is the Lifan ESI 2500iER-EFI, reaching around 12 hours.
  • The run time is important, but also hugely depends on the capacity of the fuel tank and doesn't mean much if we don't talk about fuel consumption as well. As this inverter generator uses an estimated 0.2 GPH (gallon per hour) at a 50% load, it finds itself in the average gasoline consumption range of similar products. If not satisfied with the afore-mentioned fuel consumption, you may wish to check out the Westinghouse iGen2200. With a fuel consumption of as little as 0.11 GPH, it is one of the most efficient generators currently on the market.

Price comparison

As you can see from this interactive chart, when compared to other 1500-2500W dual fuel inverter generators, the WEN DF250i 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
  • Several accessories included
  • Parallel capable
  • Dual Fuel
  • Auto Fuel Selection technology
  • Inverter
  • Quiet for its power (52 dBA)
AVERAGE SPECS:
  • Decent weight (48.5 lbs)
  • Decent fuel efficiency
WEAKNESSES:
  • No data center
  • No electric start
  • Relatively low run time

Do you own the WEN DF250i 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 readyNo
FuelDual Fuel (gasoline/propane)
Engine80 cc OHV 4-stroke
Starting systemRecoil
VoltageAC: 120V 60 Hz, DC: 5V
Power
 GasolinePropane
Running watts2,250 W1,800 W
Starting watts2,500 W2,000 W
Running amps18.8 amps15 amps
Peak amps20.8 amps16.7 amps
Run time @50% load6 h17 h *
Run time @25% loadUnknownUnknown
Features
GFCI outletsNo
Covered outletsNo
Automatic Voltage RegulationInverter
AC outlets1x Duplex 120V 20A (5-20R)
DC outlets2x 5V USB port (USB-A)
Data centerNo
IndicatorsLow oil, overload and output ready
Fuel tank1.2 gal
Fuel gaugeYes
Misc
Weight48.5 lbs
Approx. dimensions (L x W x H)19 x 11.5 x 18.2 in
Noise (lower limit)52 dBA
THD< 1.2%
ComplianceCARB, EPA
SecurityLow oil, overload and low fuel protection
Spark arrestorYes
NeutralFloating
Accessories includedFunnel, tool kit, and propane hose
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.
* Propane runtime is our own estimation, based on a 20 lbs tank and NIST 1994 GGE (Gasoline Gallon Equivalent) formula: 5.66 lbs of propane = 1 gal of gasoline.

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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 DF250i 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 sizer.
ItemRunning WattsStarting Watts
At homeRefrigerator (energy star)1921192
Clothes iron12701270
Cell phone charger2020
Total1482 W2482 W
For campingRadiant heater13001300
RV refrigerator180600
Slow cooker270270
Pair of small speakers4545
Total1795 W2215 W
For workDemolition hammer12601260
Drain cleaner250250
Electric fence (25 miles)250250
Total1760 W1760 W

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WEN DF250i
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User Reviews

  1. 5
    Price
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    Value
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    Bought one of these at the end of September, 2022. It is my understanding that this is a new model in the WEN line, just released in August. Anyway, I filled the oil, added gas, and it started on the third pull. Let it warm up for a few minutes and then added a load (my leaf blower). The generator sped up just like it is supposed to when under load, and immediately dropped back to idle speed when I turned the leaf blower off. It runs very quiet at idle and even when under load it isn’t that loud. Over the next hour I plugged a few different things into it- just to vary the operating conditions, but overall I am happy with my purchase and it seems to work just fine. I also ordered the $10 magnetic-tipped oil plug to deal with any metallic debris that might be floating around in the crankcase, but come on WEN- this should be including this as standard.

    + PROS:
    • Quiet
    • Light weight
    • Inexpensive
    - CONS:
    • Magnetic oil plug should be included as standard.
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