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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. (Read full specs)

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Price History
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Price history for the WEN DF450i
Latest updates:
  • $722.00 - April 19, 2024
  • $361.00 - April 19, 2024
  • $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
Data source: walmart.com
Since: September 21, 2023
  • Highest Price: $998.54 - September 28, 2023
  • Lowest Price: $361.00 - April 19, 2024

Description

Zoom on the WEN DF450i

In short, the WEN DF450i is a quiet and compact portable inverter generator adequately designed for:

  • RV travellers looking for even more independence
  • People occasionally participating in sporting competitions, open-air performances and outdoor festivals
  • Handcrafting enthusiasts who wish to work on-the-go
  • Homeowners who want to be able to use the most necessary devices in their household, even during a blackout
  • Tailgating and campground aficionados with the desire of enjoying power anywhere they go

In the forthcoming sections, you'll delve into its power characteristics, the various outlets it offers, its overall portability, and the additional features it boasts.

Power & Run Time

Delivering 120V, the WEN DF450i is enhanced by dual-fuel technology, providing power and versatility. Running on gasoline, it boasts a running wattage of 3,500W and a starting wattage of 4,500W. Alternatively, when propane-powered, it delivers 3,150 running watts and 4,500 starting watts. Furthermore, its parallel capability (parallel kit not included) allows for increasing of power output when connected to another similar or compatible unit, ensuring expanded energy capacity and reliability for various applications.

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.

With a noise rating of 58 dBA (less noisy than rainfall), the inverter generator's ignition is facilitated by a manual recoil starter system.

Regarding its running time, the DF450i, with a 2.2 gallons fuel tank, can operate for around 8.5 hours at 50% load with a full gasoline tank (with fuel consumption estimated at around 0.26 gallons per hour). It also offers around 9 hours (on a 20 lbs tank - propane consumption around 0.52 GPH) of operation when using propane.

The DF450i 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 provides the upcoming 3 AC outlets:

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

Furthermore, it has 3 DC outlets: there's a 12V 8A (cigarette lighter style) receptacle enabling simple battery charging for added ease and two 5V USB ports (USB-A) allowing you to conveniently charge electronics such as mobile phones and tablets.

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

Portability

The WEN DF450i's characteristic encased inverter generator design (L23.2 x W18 x H20.1 in) provides an aesthetic advantage and contributes to quieter operation compared to any ordinary, open frame product. The featured design follows the latest trends and is ideal for easy and recreational use.

Though weighing 100 lbs, the generator remains classified as 'portable,' indicating its capability to be moved, though its weight could pose transport challenges. However, the limited maneuverability is remedied with its set of 2 wheels and its folding handle, facilitating convenient shifting once the generator is positioned on the ground.

Features

Panel of the WEN DF450i

The DF450i's control panel

The control panel of the DF450i includes a digital data center, which assists you in monitoring its status and activity, as it provides information on the voltage, power output, fuel level, lifetime run hours and frequency.

In addition to this info, the generator's light indicators provide visual feedback when its oil levels are insufficient, the generator is on overload and the generator is ready.

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.

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.

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: tool kit, funnel and propane hose. An official storage cover is also available, as a separate purchase.

Product Videos

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. If noise level is one your key decisive factors, you may find the Westinghouse iGen4500DF appealing. It's rated at 52 dBA, making it one of the quietest generators in its power range.
  • The DF450i, falls within the average autonomy range compared to inverter generators of a roughly same power, with a run time of around 8.5 hours at a 50% load and a full tank. Furthermore, considering the run times, one of the generators which have a roughly same power output, with the highest autonomy, is the Westinghouse iGen4500DF, as it provides around 15 hours.
  • While the run time is an important parameter, it is dependent on the fuel tank's capacity and thus, doesn't say much on its own unless we consider fuel consumption as well. With a fuel consumption rate around 0.26 GPH (gallon per hour) at 50% load, this inverter generator is one of the more fuel-efficient models within the aforementioned wattage range. If minimizing fuel usage is one of your key priorities, the Pulsar PGD40iSCO is one of the most efficient devices with similar power output, with a gasoline consumption of only 0.22 gallons per hour.
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 homeAC (10,000 BTU)15002200
Refrigerator (energy star)1921192
Vacuum cleaner10751175
Cell phone charger2020
Total2787 W3787 W
For campingRV AC (11,000 BTU)10101600
RV refrigerator180600
Electric fry pan15001500
Radio100100
Total2790 W3380 W
For workGrinder14002500
Demolition hammer12601260
Bug zapper8080
Total2740 W3840 W

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