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DuroMax XP4500iH - 3600/4500W Dual Fuel Inverter Generator

The DuroMax XP4500iH is a portable dual fuel inverter generator with a rated wattage of 3,600 W and a starting wattage of 4,500 W.

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Price history for the DuroMax XP4500iH
Latest updates:
  • $1,299.00 - February 2, 2023
  • $1,499.00 - November 2, 2022
Data source: acmetools.com
Since: November 2, 2022
  • Highest Price: $1,499.00 - November 2, 2022
  • Lowest Price: $1,299.00 - February 2, 2023

Description

Zoom on the DuroMax XP4500iH

In a nutshell, the DuroMax XP4500iH is a 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
  • Homeowners in need of an emergency backup power for their essentials
  • Camping and tailgating buffs looking to enhance their experience
  • Professionals who want to be able to deliver results, even during a power failure

In the following paragraphs, we shall explore the power characteristics, available outlets, portability, and any additional features of the device, along with its emission compliance information.

Power & Run Time

The DuroMax XP4500iH in use

The DuroMax XP4500iH

With its dual-fuel technology, the powerful and versatile DuroMax XP4500iH provides an output of 120V. While gasoline-powered, it gives a running wattage of 3,600W along with a peak wattage of 4,500W. While propane-powered, it provides 3,420 rated watts and 4,275 starting watts. Moreover, since it is parallel capable (XP4500iH-PK parallel kit (opens in a new tab) not included), its power may be increased if linked to a second compatible unit.

DuroMax’s Switch On Demand technology allows you to switch from propane to gasoline or from gasoline to propane while the generator is running.

With a noise rating of 65 dBA (just slightly more noisy than background music), the inverter generator features a simple traditional pull-start mechanism, but also a simple and elegant electric starter (battery included). Moreover, to offer you even more convenience, the XP4500iH can also be remotely started (key fob included).

The running time of the XP4500iH, with its 2.64 gallons fuel capacity, can reach up to 16 hours on a full tank of gasoline (fuel consumption around 0.17 GPH). With propane, it can reach up to 19 hours (on a 20 lbs tank - propane consumption around 0.25 GPH).

The XP4500iH produces a clean sine wave: thanks to a <3% Total Harmonic Distortion (THD), your sensitive electronics can be safely plugged in the AC outlets.

Outlets

The control panel features the following 3 AC outlets:

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

Additionally, it features 2 DC outlets: there's two 5V USB ports (1 x USB-A and 1 x USB-C) with which you may charge electronics, for example mobile phones or tablets, conveniently.

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

Portability

Since the DuroMax XP4500iH is an inverter generator, its closed design (L24 x W19 x H22 in) has an esthetical advantage over conventional, open frame devices. The design follows the contemporary trends and is perfect for recreationally generating power.

Since the generator weighs 115 lbs, it will be incredibly difficult to manually lift it and transport it, even though it is technically considered to 'be portable' (in the sense that it is movable). Still, once it is on the ground, its set of 2 wheels (⌀4.5") and its telecospic handle can easily solve the issue of low mobility and allow for easy relocation of the device.

Features

Panel of the DuroMax XP4500iH

The XP4500iH's control panel

A digital data center, one of the features of the XP4500iH's control panel, gives you information on the power output, voltage, lifetime run hours, fuel level and frequency, and thus, is helpful for the monitoring of its activity and status.

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

The fuel level of the inverter generator can be determined quickly, easily, and conveniently with the help of its built-in fuel gauge.

As for its security measures, the device features an overload protection (circuit breaker) and an automatic low oil shut-off, letting you use it with a peace of mind.

The XP4500iH also benefits from DuroMax’s CO Alert carbon monoxide shutdown. If CO levels become unsafe or rapidly increase, the generator will automatically shut down, an indicator will light red, and the engine will not restart for 5 minutes. It’s a welcomed additional security feature, but don’t forget to always take your generator outside (opens in a new tab).

While the standard documentation and an owner's manual (opens in a new tab), helpful for starting the device promptly, come with the DuroMax XP4500iH, the following accessories are also included: battery charger, tool kit, propane hose, key fob and funnel.

Emissions

The DuroMax XP4500iH 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, making it usable in forested areas.

Product Videos

The DuroMax XP4500iH versus other generators

The following charts are provided to give you an idea of how some of the key specs of the DuroMax XP4500iH compare to inverter generators of similar power (between 3500 and 4500 W).

  • As its weight is 115 pounds, the DuroMax XP4500iH falls in the expected weight range of the inverters in the 3500-4500 rated wattage category. If you are concerned by weight, one of the champions in the above-mentioned power range is the WEN GN400i, with a dry weight of just 66.1 pounds.
  • If compared to generators capable of producing a similar running wattage, this inverter generator with a lowest emitted noise of 65 dBA can be considered somewhat noisy. 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.
  • As the XP4500iH offers up to 16 hours run time on a full tank at a 25% load, it falls within the average autonomy range among the inverter generators of a similar power. Furthermore, considering the run times, one of the generators which have a roughly same power output, with the highest autonomy, is the Firman W03661OF, as it provides up to 25 hours.
  • Even though run times are undoubtedly important, they are dependent on the fuel capacity to a large extent. For a more wholesome picture, we must take into consideration the fuel consumption of the generator. At an estimated fuel consumption of 0.17 GPH (gallon per hour) at 25% load, this inverter generator is a rather fuel efficient one within its wattage category. If not satisfied with the afore-mentioned fuel consumption, you may wish to check out the Champion 200988. With a fuel consumption of as little as 0.16 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 3500-4500W dual fuel inverter generators, the DuroMax XP4500iH is on the expensive side of the price range.

While certainly not the cheapest of its kind, purchasing it would most likely also mean enjoying the reliability of a high-end product.

The bottom line

STRENGTHS:
  • CO Alert technology
  • Several accessories included
  • GFCI Outlets
  • USB-C port
  • RV Ready
  • Remote start
  • Parallel capable
  • Dual Fuel
  • Switch On Demand technology
  • Inverter
  • Fuel efficient
AVERAGE SPECS:
  • Decent weight (115 lbs)
  • Decent run time
WEAKNESSES:
  • On the expensive side
  • On the noisy side (65 dBA)

Do you own the DuroMax XP4500iH 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 readyYes
FuelDual Fuel (gasoline/propane)
Engine223 cc OHV 4-stroke
Starting systemRecoil, Electric, Remote
VoltageAC: 120V 60 Hz, DC: 5V
Power
GasolinePropane
Running watts3,600 W3,420 W
Starting watts4,500 W4,275 W
Running amps30 amps28.5 amps
Peak amps37.5 amps35.6 amps
Run time @50% load8 h11 h
Run time @25% load16 h19 h
Features
GFCI outletsYes
Covered outletsYes
Automatic Voltage RegulationInverter
AC outlets1x 120V 30A (TT-30R)
DC outlets2x 5V USB port (USB-A and USB-C)
Data centerPower output, fuel level, lifetime run hours, voltage and frequency
IndicatorsLow oil, overload and output ready
Fuel tank2.64 gal
Fuel gaugeYes
Misc
Weight115 lbs
Approx. dimensions (L x W x H)24 x 19 x 22 in
Noise (lower limit)65 dBA
THD< 3%
ComplianceCARB, EPA
SecurityLow oil and overload protection, CO monitoring
Spark arrestorYes
NeutralBonded to frame
Accessories includedFunnel, tool kit, key fob, battery charger, propane hose, and battery
Warranty3 years
UPC811640016401

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 DuroMax

Duromax is a small, American based power equipment company, with headquarters in Ontario, California. Duromax specializes in several products, including pumps, engines, pressure washers, and most importantly, power generators. In this regard, the company focuses solely on portable generators, of mostly small and medium power outputs, and dual fuel devices. Duromax’s generators are designed and serviced in the US, however, their production is outsourced overseas. Founded in 2003, DuroMax starts to be seen as an important player in the power generator market.

Warranty Information

The DuroMax XP4500iH 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 DuroMax generators, please consult DuroMax's 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 homeRefrigerator (energy star)1921192
Hair dryer18001900
Freezer8101750
Set of 5 LED light bulbs5555
Cell phone charger2020
Total2877 W3877 W
For campingRadiant heater13001300
RV refrigerator180600
RV AC (11,000 BTU)10101600
DVD player350350
Cell phone charger2020
Total2860 W3450 W
For workGrinder14002500
Demolition hammer12601260
Bug zapper8080
Total2740 W3840 W

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DuroMax XP4500iH
7.6 Total Score
2 reviews
Add your review
Price
6.5
Value
7.5
Quality
9
Performance
7.5

User Reviews

Most Recent Most Helpful Highest Rating Lowest Rating Add your review
  1. 3.75
    Price
    70
    Value
    80
    Quality
    100
    Performance
    50

    The battery was died and could not charge it up. Would not start on propane using pull start. Sending unit back for exchange.

    + PROS:
    • Nice design
    - CONS:
    • Adding oil very hard
    Helpful(0) Unhelpful(2)You have already voted this
  2. 3.9
    Price
    60
    Value
    70
    Quality
    80
    Performance
    100

    I recently install a 20kw Kohler genset at my home on the Washington coast. While that unit will fulfill all our needs it’s very thirsty, very thirsty.
    So I purchased the xp4500ih to power our entertainment system, internet, fridge and a couple led lights for extended periods. This way the Kohler can stand by to handle the big stuff like cooking, laundry & bath time.
    What attracted me to the Duromax the design. I really like the display for the information center. It’s a nice bright vivid display and it shows voltage hertz’s wattage & hours. It also integrates a fuel gauge so you’re not having to remove the gas cap and shine a flashlight to see your gas level.
    Also, I like the independent controls.
    Ignition, gas valve, fuel selector and start/stop switch. To me the ability to shut off the fuel flow and run the carburetor dry is an important feature especially when running 10% alcohol fuel.
    Another feature I appreciate is the battery maintainer jack on the front panel and included 12v trickle charger.
    When the powers back on this unit is quick & easy to put away properly, shut off the gas and let the carb run dry then plug in the battery tender, that’s about it.
    For camping or RVing the remote fob start would be invaluable especially when it’s cold dark & stormy. I have tested the remote start feature but haven’t had and need to use it in practice yet.
    The primary reason I chose a unit that runs on propane is the storage issue. Gasoline goes bad, 10% ethanol gas goes bad even faster but I can keep a couple 30lb LP tanks at the ready almost indefinitely not to mention longer run times.
    The overall design and attention to detail is quite good but there is a couple areas where improvement could be made.
    First is the weight, fueled up it’s a two person lift. Unless you’re big young and strong you’ll probably strain your gizzard trying to lift this into a pickup. Get a ramp and a helper.
    Second is oil changes. Many generators now include a oil drain tube with a valve or cap that makes maintenance time a no mess operation. Unfortunately this model forces you to elevate the unit and drain thru an opening in the bottom.
    This is a issue I’m dealing with soon by retrofitting my own system.
    The next comment is more of a convenience issue. I’d like to have a quick connect for the propane hose, several other manufacturers have included this in their design and not having to mess around with a wrench on a dark rainy night would be a big plus.
    Price could be another point of contention for some but really for the features this unit offers I really think it’s still a good value.
    At this moment the only question I have is durability and only time will tell but I went above and beyond with the break in process & am diligent with maintenance so hopefully I’ll get years of service.
    One last thing. I can’t for the life of me find a parts list and diagram for this product or any Duromax product. I do my own maintenance and it unsettles me just a bit that there’s no service or parts manuals readily available.

    + PROS:
    • 2x20Amp GFI outlets
    • 30Amp RV plug
    • Remote start
    • Wattage & Fuel on display
    • Separate controls(fuel)(ignition)(start)
    • Battery maintainer
    • Switch on fly fuel selector
    • No tool access panel
    • Very quiet
    • Overall, feature rich
    - CONS:
    • Heavier than most in class
    • Clumsy oil drain process
    • Modest gasoline capacity
    • Threaded LP connection
    • Parts/Service diagram not readily available.
    • Not for novice user.
    Helpful(4) Unhelpful(0)You have already voted this

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