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WEN DF450i - 3500/4500W Dual Fuel Inverter Generator

The WEN DF450i is a quiet and compact dual fuel inverter generator with a rated wattage of 3,500 W and a starting wattage of 4,500 W.

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Set an alert for the WEN DF450i - Current lowest price: $722.00
Price History
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Price history for the WEN DF450i
Latest updates:
  • $722.00 - December 22, 2023
  • $998.54 - December 4, 2023
  • $998.44 - December 3, 2023
  • $998.54 - December 1, 2023
  • $998.44 - November 30, 2023
  • $998.54 - November 29, 2023
  • $998.44 - November 28, 2023
  • $998.54 - November 27, 2023
Data source: walmart.com
Since: May 17, 2023
  • Highest Price: $998.54 - September 28, 2023
  • Lowest Price: $722.00 - May 17, 2023

Description

Zoom on the WEN DF450i

In a nutshell, the WEN DF450i is a quiet and compact portable inverter generator mostly geared towards:

  • RV travellers wishing to enhance their freedom and nomad lifestyle
  • People occasionally participating in sporting competitions, open-air performances and outdoor festivals
  • DIYers who wish to improve their efficiency with tools
  • Homeowners in need of an emergency backup power for their essentials
  • Camping and tailgating buffs looking to enhance their experience

In the sections ahead, the power characteristics, availability of various outlets, the portability, and any additional features of the device shall be discussed, including its emission compliance information.

Power & Run Time

The dual-fuel technology of the WEN DF450i allows for an output of 120V and provides superb power and versatility. If gasoline-powered, the device provides a running wattage of 3,500W and a starting wattage of 4,500W. If propane-powered, it gives 3,150 rated watts and 4,500 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 features a simple traditional pull-start mechanism. It is rated for a noise of 58 dBA (less noisy than rainfall).

The DF450i, with a fuel capacity of 2.2 gallons, reaches a run time of around 8.5 hours at 50% load utilizing gasoline (fuel consumption around 0.26 GPH). Alternatively, it can reach a run time of around 9 hours (on a 20 lbs tank - propane consumption around 0.52 GPH) with propane.

As the DF450i produces a clean sine wave, with a <1.2% Total Harmonic Distortion (THD), sensitive electronics may be plugged in the AC outlets safely.

Outlets

The control panel features the upcoming 3 AC outlets:

Duplex 120V 20A (5-20R)
120V 30A (TT-30R) receptacle

It also sports 3 DC outlets: there's a 12V 8A (cigarette lighter style) receptacle with which charging your batteries is made easy and two 5V USB ports (USB-A) allowing you to conveniently charge electronics such as mobile phones and tablets.

Thanks to its TT-30R receptacle (TT stands for 'Travel Trailer'), this WEN generator is RV Ready.

Portability

The WEN DF450i is an inverter generator and has an encased design of the following dimensions: L23.2 x W18 x H20.1 in. Thus, it is more aesthetical than conventional, open frame products. The design follows the contemporary trends and is perfect 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 100 pounds. However, its challenging mobility is solved by its set of 2 wheels and its folding handle, which will ease its displacement, once it is on the floor.

Features

Panel of the WEN DF450i

The DF450i's control panel

To help you monitor the DF450i's status and activity, its control panel is equipped with a digital data center, giving you information on the fuel level, power output, voltage, lifetime run hours and frequency.

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

The fuel shutoff feature turns off the flow of fuel, allowing for the DF450i 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 overload protection (circuit breaker) and an automatic low oil shut-off, giving you a peace of mind during use.

Along the basic documentation and an owner's manual (opens in a new tab), useful for starting the generator right away, the WEN DF450i's package also includes these accessories: funnel, propane hose and tool kit. An official storage cover is also available, as a separate purchase.

Emissions

The WEN DF450i is EPA-approved and CARB-compliant. It can therefore be sold and purchased in all 50 states, including California.

Moreover, it features a spark arrestor, so it is adequate for use in forested areas.

Product Video

The WEN DF450i versus other generators

The following charts are provided to give you an idea of how some of the key specs of the WEN DF450i compare to inverter generators of similar power (between 3000 and 4000 W).

  • With a dry weight of 100 pounds, the WEN DF450i finds itself in the expected weight range for inverter generators able to produce between 3000 and 4000 rated watts. If weight matters to you, one of the champions in this power range is the Pulsar PGD40iSCO with only 46 pounds.
  • With a lowest possible noise of 58 dBA, this inverter generator places itself amongst the more quiet of the products delivering similar power. For those who are looking for a less noisy device, we suggest the Westinghouse iGen4500DF. With just 52 dBA, it is one of the most quiet devices in this power range.
  • Offering around 8.5 hours of running time on a full tank at 50% load, the DF450i is within the average autonomy range of similarly powerful inverter generators. If concerned with autonomy, one of the products of a comparable power output, which offers the highest run time, is the Westinghouse iGen4500DF, boasting with around 15 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. With an estimated gasoline consumption of 0.26 GPH (gallon per hour) at 50% load, this inverter generator is among the more fuel efficient of the products in the above-mentioned wattage range. If not satisfied with the afore-mentioned fuel consumption, you may wish to check out the Pulsar PGD40iSCO. With a fuel consumption of as little as 0.22 GPH, it is one of the most efficient generators currently on the market.
According to our stats, the following comparison is pretty popular: WEN DF450i vs WEN DF451i.

Price comparison

As you can see from these interactive charts, when compared to other 3000-4000W dual fuel inverter generators, the WEN DF450i 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
  • Dual Fuel
  • Several accessories included
  • RV Ready
  • Parallel capable
  • Auto Fuel Selection technology
  • Inverter
  • Quiet for its power (58 dBA)
  • Fuel efficient
AVERAGE SPECS:
  • Decent weight (100 lbs)
  • Decent run time
WEAKNESSES:
  • No electric start

Do you own the WEN DF450i and agree (or disagree) with these strengths and weaknesses?

Let us know and write your own review.

Features and Specifications

General
InverterYes
Parallel capableYes, cable not included
RV readyYes
FuelDual Fuel (gasoline/propane)
Engine212 cc OHV 4-stroke
Starting systemRecoil
Warranty3 years
VoltageAC: 120V 60 Hz, DC: 12V
Power
GasolinePropane
Running watts3,500 W3,150 W
Starting watts4,500 W4,500 W
Running amps29.2 amps26.3 amps
Peak amps37.5 amps37.5 amps
Run time @50% load8.5 h9 h
Run time @25% loadUnknownUnknown
Features
GFCI outletsNo
Covered outletsNo
Automatic Voltage RegulationInverter
AC outlets
  • 1x Duplex 120V 20A (5-20R)
  • 1x 120V 30A (TT-30R)
DC outlets1x 12V 8A (cigarette lighter style)
2x 5V USB port (USB-A)
Data centerPower output, fuel level, lifetime run hours, voltage and frequency
IndicatorsLow oil, overload and output ready
Fuel tank2.2 gal
Fuel gaugeDigital
Misc
Weight100 lbs
Approx. dimensions (L x W x H)23.2 x 18 x 20.1 in
Noise (lower limit)58 dBA
THD< 1.2%
ComplianceCARB, EPA
SecurityLow oil and overload protection
Spark arrestorYes
NeutralFloating
Accessories includedFunnel, tool kit, and propane hose
Country of originVietnam
UPC044459904502

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 DF450i is covered under a warranty for up to 3 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 sizing calculator.
ItemRunning WattsStarting Watts
At homeRefrigerator (energy star)1921192
Hair dryer18001900
Toaster oven800800
Total2792 W3792 W
For campingRadiant heater13001300
RV refrigerator180600
RV AC (11,000 BTU)10101600
Slow cooker270270
Cell phone charger2020
Total2780 W3370 W
For workGrinder14002500
Demolition hammer12601260
Bug zapper8080
Total2740 W3840 W

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