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KingChii 4500W Inverter Generator vs DuroMax XP5500HX Dual Fuel Generator

Buy the KingChii if you want a light, quiet inverter you can lift into an RV or truck bed and that runs sensitive electronics cleanly. Buy the DuroMax if you want more power, 240V output for a transfer switch, electric and remote start, and propane as a backup fuel. The KingChii is the more portable machine at 61 lbs and 66 dB; the DuroMax is a conventional open-frame generator at 131 lbs and 69 dB with roughly 900W more running output on gasoline. Both hold 4.3 stars, but the DuroMax has far more owner ratings behind that score.

  • Choose the KingChii 4500W if you need clean, quiet power that one person can carry, for camping, tailgating or running a fridge and electronics during an outage.
  • Choose the DuroMax XP5500HX if you need 240V for a transfer switch, electric or remote starting, and the option to run on propane when gasoline is scarce.

Prices

  • KingChii 4500W Inverter Generator: $266.99 at Walmart (checked today)
  • DuroMax XP5500HX Dual Fuel Generator: $599.00 at JB Tools (checked today)
  • Difference: the KingChii 4500W Inverter Generator is $332.01 cheaper than the DuroMax XP5500HX Dual Fuel Generator today
KingChii
KingChii 4500W Inverter Generator

KingChii 4500W Inverter Generator

4.3(113 ratings)
$266.99at WalmartChecked 2 h ago
See all prices and details
Visit Walmart
Pros
  • Inverter output is safe for phones, laptops and TVs
  • Light enough for one person to load into an RV or pickup
  • Quieter than most open-frame units at 66 dB
  • CO shutdown, low-oil shutdown and overload protection built in
  • Parallel-ready for a second compatible unit
Cons
  • Pull-start only, no electric or remote start
  • 120V only, so no transfer-switch hookup
  • Smaller tank and shorter runtime than the DuroMax
  • Not CARB compliant or NRTL listed
DuroMax
DuroMax XP5500HX 5500-Watt Dual Fuel

DuroMax XP5500HX Dual Fuel Generator

DuroMax XP5500HX 5500-Watt Dual Fuel

4.3(340 ratings)
$599.00at JB ToolsChecked 17 min ago
See all prices and details
Visit JB Tools

Store links may earn us a commission. Price via Klarna.

Pros
  • 4,500 running watts on gasoline, 4,275 on propane
  • 240V L14-30R outlet works with a transfer switch or interlock
  • Electric start plus a remote key fob
  • Runs on propane when gasoline is hard to get
  • CO sensor shuts the unit down automatically
Cons
  • Heavy at about 131 lbs; wheels help but it is not a carry unit
  • Not an inverter, so power is less clean for sensitive electronics
  • Louder at 69 dB
  • Not for sale in California

What separates them

KingChii 4500W Inverter GeneratorDuroMax XP5500HX Dual Fuel Generator
Power typeInverter, clean sine wave suitable for laptops, TVs and sensitive electronicsConventional open-frame generator, not inverter technology
Running watts3,600W running, 4,500W surge4,500W running on gasoline, 4,275W on propane, 5,500W surge
Voltage120V only120/240V with an L14-30R outlet for transfer switches
Weight and portability61 lbs, compact 19 x 16 x 19 inAbout 131 lbs, needs the included wheel and handle kit to move
Noise66 dB at 23 ft69 dB
StartingPull cord onlyRecoil, electric push-button and remote key fob
FuelGasoline only, 2.64 gal tank, about 8 hours at 25% loadGasoline or propane, 4 gal tank, about 9 hours at 50% load
CertificationNot CARB compliant, not NRTL listedNot CARB certified, so not sold in California

Price history

$629.00$266.99
Oct 30Nov 15
  • KingChii 4500W Inverter Generator: lowest $266.99 on Nov 15 at Walmart.
  • DuroMax XP5500HX Dual Fuel Generator: lowest $599.00 on Oct 30 at Amazon; $599.00 on Nov 15.

Prices at every store

KingChii 4500W Inverter Generator

  • WalmartNew

    In stockSold by KingChii

    $266.99Free shippingChecked 2 h ago
    Visit Walmart
  • eBayNew

    In stockSold by precisioncuttingjsgr

    $685.03Free shippingChecked 2 h ago
    Visit eBay
  • WalmartPre-owned

    Availability unknown

    $288.45Checked Nov 5
    Visit Walmart

Also available at

  • WalmartCheck price at Walmart
All 2 stores and price history →

DuroMax XP5500HX Dual Fuel Generator

  • JB ToolsNew

    In stock

    $599.00Free shippingChecked 17 min ago
    Visit JB Tools
  • The Home DepotNew

    In stock

    $629.00Free shippingChecked 2 h ago
    Visit The Home Depot
  • AmazonNew

    Availability unknown

    As an Amazon Associate, Deal.ai earns from qualifying purchases.

    $629.00Free shippingChecked 2 h ago
    Visit Amazon
  • eBayNew

    Availability unknownSold by factory_authorized_outlet (99.9% positive, 280,000 ratings)Returns: Set by the eBay seller; the eBay Money Back Guarantee covers an item that doesn't arrive or isn't as described.

    $629.00+ $12.95 shippingChecked 2 h ago
    Visit eBay

Also available at

  • WalmartCheck price at Walmart
  • eBayCheck price at eBay

Store links may earn us a commission. Some prices via Klarna.

All 19 stores and price history →

Specs compared

SpecKingChii 4500W Inverter GeneratorDuroMax XP5500HX Dual Fuel Generator
surge_wattage4500 Watts5225W
Run Time8 hours8.92 h
Noise Level66 dB at 23 ft69 dB
Weight61 lbs131 lbs
Continuous Wattage3600 Watts4275W
Fuel TypeGasolinePropane, Dual Fuel, Gasoline
Decibel Rating66 dB69 dB
Outlets55
Motor Starter TypePull Cord StartPull Cord Start
Rec. UseResidential, CommercialResidential
Length23.20 in36.0
Rated Wattage3600W—
Show all 40 specsShow fewer specs
SpecKingChii 4500W Inverter GeneratorDuroMax XP5500HX Dual Fuel Generator
Rated Voltage120V—
Max AC Amperage30A—
Engine Displacement223cc—
Fuel Tank Capacity2.64 gallons—
DC Output Voltage12V—
Dimensions19.37 x 15.82 x 19.44 in—
Parallel Peak Output9000W peak / 7200W running—
Has Nrtl Listing CertificationN—
Country Of OriginChina—

What reviewers say

KingChii 4500W Inverter Generator

  • 4.3 / 5113 ratings

With 113 ratings averaging 4.3 out of 5, owners generally report the unit starts reliably and runs quiet for its class, with clean power for fridges and RV appliances. Complaints center on the pull start, the modest outlet layout and the lack of certification for regulated uses.

What people mention
  • NoisePraisedOwners say it runs quieter than expected at 66 dB, about the level of a normal conversation at close range.
  • Start methodCriticisedBuyers note the pull cord is the only starting option and can take several pulls from cold.
  • Fuel economyPraisedECO mode stretches the 2.64-gallon tank toward the 8-hour figure at light loads.
  • OutletsMixedThe 30A RV outlet is welcome, but 2 AC outlets is fewer than owners expect at this wattage.

DuroMax XP5500HX Dual Fuel Generator

  • 4.3 / 5340 ratings

Owners rate the XP5500HX well overall, with 4.3 out of 5 from 340 ratings. They tend to praise the dual-fuel flexibility, the electric start and the 240V output for backup power, while noise and weight come up as the main drawbacks.

What people mention
  • Dual fuelPraisedOwners like switching between gasoline and propane, especially for long outages.
  • NoiseCriticisedIt runs at a fixed 69 dB and gets loud when a heavy load kicks in.
  • WeightCriticisedAt 131 lbs it takes two people or a wheel kit to move around.
  • StartingPraised

Questions and answers

Which is better for an RV or camping?
The KingChii. It weighs 61 lbs, runs quieter at 66 dB and its inverter output is safe for RV electronics. The DuroMax is nearly twice the weight and needs its wheel kit to move.
Can the DuroMax power a house through a transfer switch?
Yes. Its 240V L14-30R outlet connects to a transfer switch or interlock installed by a licensed electrician. The KingChii is 120V only and cannot do this.
Which one is quieter?
The KingChii at 66 dB versus 69 dB for the DuroMax. Both are outdoor-only machines; neither is quiet enough to run inside a garage or tent.
Is the DuroMax worth stepping up to over the KingChii?
If you need 240V, electric start or propane, yes. If you mainly want a light, quiet unit for camping and small electronics, the KingChii fits better.
Which lasts longer?
Both use air-cooled four-stroke engines that last with regular oil changes and clean fuel. The DuroMax has more owner ratings behind its score, but neither brand has a clear durability edge in the data.
Can either run on propane?
Only the DuroMax. It runs on gasoline or propane, with slightly lower output on propane. The KingChii is gasoline only.

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Buying guides that pick them

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CO Sensor
—
Yes
Low Oil Shutdown—Yes
Overload Protection—Yes
Automatic Shut Off—Yes (CO sensor shutdown)
Fuel Capacity—4 Gallons (gasoline)
Fuel Gauge—Yes
Continuous Output—4,500 Watt (Gasoline)
Power Output—5,500 W
Voltage—120/240 Volts
Peak Output—5,500 Watt (Gasoline)
Starting Method—Recoil start, Electric start, Rocker Switch
Efficiency—0.88 gallons/hour (full load fuel consumption)
Frequency—60 Hertz
Protection—Automatic voltage regulator
Connectivity Ports—USB C, GFCI outlets, USB A
Number Of Outlets—4
Receptacle Type—L14-30R, 5-20R
Depth—25 in
Height—22 in
The electric start fires it up easily, with recoil as a backup.