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DuroStar DS4850EH - 3850/4850W Dual Fuel Generator With Electric Start

The DuroStar DS4850EH is a portable open frame dual fuel generator with a rated wattage of 3,850 W and a starting wattage of 4,850 W. (Read full specs)

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DuroStar DS4850EHDuroStar DS4850EHDuroStar DS4850EHDuroStar DS4850EH
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Price History
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Price history for the DuroStar DS4850EH
Latest updates:
  • $767.98 - April 14, 2024
  • $783.06 - November 16, 2023
  • $778.03 - November 14, 2023
  • $783.06 - November 7, 2023
  • $593.99 - August 15, 2023
Data source: ebay.com
Since: August 15, 2023
  • Highest Price: $783.06 - November 7, 2023
  • Lowest Price: $593.99 - August 15, 2023

Description

As global energy consumption grows at exponential rates, so does the demand for energy solutions that are both more environmentally responsible and more efficient. The DuroStar DS4850EH has a dual fuel system that operates on either standard gasoline or cleaner burning liquid propane which can more than double you generator's run time.

Zoom on the DuroStar DS4850EH

In summary, the DuroStar DS4850EH is a portable generator especially useful for:

  • RV travellers who wish to upgrade their experience to another level
  • People occasionally participating in sporting competitions, open-air performances and outdoor festivals
  • Homeowners in need of an emergency backup power for their essentials
  • Professionals in need of safely powering high-intensity work or lighting equipment

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

Power & Run Time

The DuroStar DS4850EH in use

The DuroStar DS4850EH

The DuroStar DS4850EH, equipped with dual-fuel technology and delivering 120/240V, ensures both power and versatility. Running on gasoline, it delivers a running wattage of 3,850W and a starting wattage of 4,850W. On propane, it provides 3,658 running watts and 4,608 starting watts.

The generator features a traditional recoil pull-start mechanism and also a simple and elegant electric starter (battery included). It is rated for a noise of 69 dBA (less noisy than background music).

In terms of its run time capability, the DS4850EH, furnished with a 4 gallons fuel tank, can maintain operations for up to 23 hours on a full tank of gasoline (with fuel consumption averaging 0.17 gallons per hour). It also provides up to 18 hours (on a 20 lbs tank - propane consumption around 0.26 GPH) of operation with propane.

As the DS4850EH exhibits a THD of less than 12%, which is relatively high, it is best avoided for powering sensitive electronic devices.

Outlets

The control panel features the following 3 AC outlets:

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

Furthermore, it has 1 DC outlet: there's a 12V 8A output enabling simple battery charging for added ease.

Because the DS4850EH is equipped with a twist-lock L14-30R receptacle, it is transfer switch ready: it can power your home during a power outage, as it can be easily connected to your breaker box to power your household.

Portability

Measuring L25 x W24 x H21 in, the classic open frame build of the DuroStar DS4850EH delivers stability and easy maintenance access to components, facilitating air circulation. This type of design is ideal for tough environments and heavy outdoor use.

While weighing 122 lbs, the generator is classified as 'portable,' indicating its mobility, albeit its heftiness may limit portability in specific situations. However, the lack of maneuverability can be offset with its wheel kit (⌀8") and its folding handle, which allows for convenient shifting once the generator is placed on the ground.

Features

Panel of the DuroStar DS4850EH

The DS4850EH's control panel

Included in the control panel of the DS4850EH are a convenient voltmeter, which provides an easy way to monitor power output anytime, essential for monitoring its status and activity.

In addition to this info, the generator's light indicator provides visual feedback when its oil levels are insufficient.

Benefiting from its built-in fuel gauge, the generator allows for easy and immediate gas level inspections.

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

Apart from the standard documentation and an owner's manual (opens in a new tab) to facilitate setup, the DuroStar DS4850EH features extra accessories: tool kit, funnel, propane hose and battery charging cables.

Product Video

The DuroStar DS4850EH versus other generators

The following charts are provided to give you an idea of how some of the key specs of the DuroStar DS4850EH compare to dual fuel generators of similar power (between 3500 and 4500 W).

  • As its dry weight is 122 pounds, the DuroStar DS4850EH is one of the heavier of the dual fuel products which can generate 3500 to 4500 running watts. Regarding dry weight, one of the champions in the same power range is the WEN DF402iX, with a dry weight of only 66.1 lbs.
  • When stacked up against other devices of similar running wattage, this generator's lowest possible noise rating of 69 dBA places it in the louder category. 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 Westinghouse iGen4500DF, whose lowest noise levels reach just 52 dBA.
  • In terms of run time, the DS4850EH surpasses similarly powerful dual fuel devices, boasting one of the higher run times at up to 23 hours. If run time is one of your main concerns, the DuroMax XP4400EH could be worth looking at. It boasts one of the highest run times among units of comparable power, lasting up to 25 hours.
  • Run time is a key metric, but it's dependent on the generator's fuel capacity. Therefore, discussing fuel efficiency is necessary to get the full picture. This generator has a better fuel efficiency than other units in the aforementioned output range, consuming approximately 0.17 GPH (gallon per hour) at 25% load. If minimizing fuel usage is one of your key priorities, the Champion 200988 is one of the most efficient devices with similar power output, with a gasoline consumption of only 0.16 gallons per hour.

Price comparison

As you can see from these interactive charts, when compared to other 3500-4500W dual fuel generators, the DuroStar DS4850EH 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
  • GFCI Outlets
  • Electric start
  • High run time
  • Fuel efficient
WEAKNESSES:
  • No remote start
  • On the heavy side (122 lbs)
  • On the noisy side (69 dBA)

Do you own the DuroStar DS4850EH and agree (or disagree) with these strengths and weaknesses?

Let us know and write your own review.

Features and Specifications

General
InverterNo
Parallel capableNo
RV readyNo
FuelDual Fuel (gasoline/propane)
Engine210 cc OHV 4-stroke
Starting systemRecoil, Electric
Warranty3 years
VoltageAC: 120/240V 60 Hz, DC: 12V
Power
GasolinePropane
Running watts3,850 W3,658 W
Starting watts4,850 W4,608 W
Running amps (@120/240V)32.1/16 amps30.5/15.2 amps
Peak amps (@120/240V)40.4/20.2 amps38.4/19.2 amps
Run time @50% load10 h9 h
Run time @25% load23 h18 h
Features
GFCI outletsYes
Covered outletsNo
Automatic Voltage RegulationYes
AC outlets
  • 1x Duplex 120V 20A (5-20R) GFCI
  • 1x 120/240V 30A (L14-30R)
DC outlets1x 12V 8A output
Data centerVoltmeter
IndicatorsLow oil
Fuel tank4 gal
Fuel gaugeYes
Misc
Weight122 lbs
Approx. dimensions (L x W x H)25 x 24 x 21 in
Noise (lower limit)69 dBA
THD< 12%
ComplianceCARB, EPA
SecurityLow oil and overload protection
Spark arrestorYes
NeutralFloating
Accessories includedFunnel, tool kit, propane hose, battery charging cables, battery, and wheel kit
UPC811640015633

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 DuroStar

The DuroStar brand belongs to DuroMax, a company founded in 2003 and based in Ontario, California. DuroStar generators usually have a DuroMax twin, and only differ in their color scheme and in the factory in which they were produced. While DuroStar generators and engines are manufactured in China, the design and servicing centers reside in the US.

Warranty Information

The DuroStar DS4850EH 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 DuroStar generators, please consult DuroStar's (DuroMax) warranty policies (opens in a new tab). Alternatively, you can also contact their Customer Support: 1-844-DUROMAX (844-387-6629).

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 homeElectric fry pan15001500
AC (10,000 BTU)15002200
Set of 5 LED light bulbs5555
Total3055 W3755 W
For campingRV AC (11,000 BTU)10101600
RV refrigerator180600
Hair dryer18001900
Bug zapper8080
Total3070 W3660 W
For workTable saw18004500
Electric fence (25 miles)250250
Bug zapper8080
Total2130 W4830 W

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