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DuroMax XP4500iH - Spec Breakdown

The DuroMax XP4500iH is a portable dual fuel inverter generator with a rated wattage of 3600 W and a starting wattage of 4500 W.

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Description

Zoom on the DuroMax XP4500iH

In summary, the DuroMax XP4500iH is a portable inverter generator especially useful for:

  • RV travellers looking for even more independence
  • Occasional participants of outdoor events, competitions, concerts and festivals
  • Homeowners who want to be sure of their ability to power their fridges, cooking tools, heating and lighting equipment during power failures
  • Tailgating and campground aficionados with the desire of enjoying power anywhere they go

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 DuroMax XP4500iH in use

The DuroMax XP4500iH

Thanks to its dual-fuel technology, the DuroMax XP4500iH delivers 120V and offers power and versatility. When gasoline-powered, it benefits from a running wattage of 3600W and a peak wattage of 4500W. When propane-powered, it has 3420 rated watts and 4275 peak watts. Moreover, since it is parallel capable (XP4500iH-PK parallel kit (opens in a new tab) not included), its power may be doubled if linked to a second compatible unit.

At a noise rating of 65 dBA (just slightly more noisy than a normal conversation), this inverter generator can be started via a simple traditional pull-start mechanism, or a convenient and easy-to-use electric starter (battery included). For additional convenience, the XP4500iH may also be remotely started (key fob included).

The running time of the XP4500iH, with its 2.64 gallons fuel capacity, can reach around 8 hours at 50% load on a full tank of gasoline (fuel consumption around 0.33 GPH). With propane, it can reach around 11 hours (on a 20 lbs tank - propane consumption around 0.43 GPH).

As the XP4500iH produces a clean sine wave, with a <3% Total Harmonic Disruption (THD), sensitive electronics may be plugged in the AC outlets safely.

Outlets

The control panel includes the following 3 AC outlets:

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

In addition, it provides 2 DC outlets: there's two 5V USB ports (1 x USB-A and 1 x USB-C) with which charging of electronics like mobile phones and tablets is made convenient.

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

Portability

The DuroMax XP4500iH's characteristic encased inverter generator design (L24 x W19 x H22 in), provides an esthetical advantage over any ordinary, open frame product. The design follows the contemporary trends and is perfect for recreationally generating power.

While the generator is considered to be technically 'portable' (in the sense that you can move it), manually lifting and transporting it may be challenging, due to its high weight of 115 lbs. However, this lack of maneuverability is compensated by its set of 2 wheels and its telecospic handle, with which you can conveniently shift it, once it's on the ground.

Features

Panel of the DuroMax XP4500iH

The XP4500iH's control panel

One of the many XP4500iH's features is the data center, included in its control panel, which conveniently provides information on the voltage, power output, frequency, fuel level and lifetime run hours and thus, helps you monitor its activity and status.

In addition to this info, several light indicators serve to show you when the generator is on overload, the generator is ready and its oil levels are insufficient.

A built-in fuel gauge allows for a quick, easy and convenient check of the fuel level of the inverter generator.

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.

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: key fob, funnel, tool kit, propane hose and battery charger.

Emissions

The DuroMax XP4500iH is EPA-approved and CARB-compliant. Therefore, its sale and purchase are permitted in all of the 50 states, including California.

Moreover, it features a spark arrestor and thus, may be used 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 generators of similar power (between 3500 and 4500 W).

  • At a weight of 115 pounds, the DuroMax XP4500iH places in the expected weight range of the generators in the 3500-4500 rated wattage range. If weight is your top priority, one of the champions in this power category is the WEN GN400i, weighing just 66.1 pounds.
  • This inverter generator has a somewhat average expected noise for its power range, rated at 65 dBA. 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 Cummins Onan P4500i, whose lowest noise levels reach just 52 dBA.
  • Autonomy-wise, with around 8 hours on a full tank at a 50% load, the XP4500iH is on the low end when compared to other generators of a similar power output. If you consider autonomy on a single full tank as one of the deciding factors, one of the generators in the same power range that offers the highest run time is the Predator 4375, with around 16 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. At an estimated fuel consumption of 0.33 GPH (gallon per hour) at 50% load, this inverter generator is a rather fuel efficient one within its wattage category. If you are concerned with gasoline efficiency, having a fuel consumption of just 0.17 GPH, the Westinghouse iGen4200 is a device you could look out for.

Price comparison

As you can see from this interactive chart, when compared to other 3500-4500W generators, the DuroMax XP4500iH 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
  • USB-C port
  • RV Ready
  • Remote start
  • Parallel capable
  • Dual Fuel
  • Inverter
  • Fuel efficient
AVERAGE SPECS:
  • Decent weight (115 lbs)
  • Acceptable noise (65 dBA)
WEAKNESSES:
  • Relatively low run time

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 watts3600 W3420 W
Starting watts4500 W4275 W
Running amps30 amps28.5 amps
Peak amps37.5 amps35.6 amps
Run time @50% load8 h11 h
Run time @25% loadUnknownUnknown
Features
GFCI outletsNo
Covered outletsYes
Automatic Voltage RegulationInverter
AC outlets
  • 1x Duplex 120V 20A (5-20R)
  • 1x 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
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 sizing calculator.
ItemRunning WattsStarting Watts
At homeElectric fry pan15001500
Refrigerator (energy star)1921192
Vacuum cleaner10751175
Radio100100
Total2867 W3867 W
For campingRV AC (11,000 BTU)10101600
RV refrigerator180600
Electric grill16501650
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
2 Reviews
Show all Most Helpful Highest Rating Lowest Rating Add your review
  1. 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(2) Unhelpful(0)You have already voted this
  2. 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(1)You have already voted this

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