Most dual fuel generators lose rated power on propane. WEN’s DF480iX keeps 4,000 rated watts on both fuels; only surge drops, from 4,800 to 4,320 watts. The engine is 224 cc and it starts electrically.
Built to move
At 78.5 lb, it has onboard wheels and a telescoping handle. The 1.9-gallon tank is larger than the 3,600 W models’.
Outlets and safety
Four three-prong 120 V receptacles, a TT-30R RV receptacle, a 12 V DC receptacle and two USB ports. The CO Watchdog sensor shuts it down if carbon monoxide builds up.
Price on Amazon.com
Amazon.com listed it at $647.00 on November 2, 2026, with a three-year limited warranty.
Prices quoted in this text were read on November 2, 2026. The live price is at the top of the page.
What it gets right, and what it leaves out
Strengths
Full 4,000 rated watts on propane as well as gasoline
Electric start and wheels
About 6.2 rated watts per dollar
Compromises
78.5 lb
No dBA figure
No 240 V outlet
Specifications
Gasoline
4,800 surge watts, 4,000 rated watts
Propane
4,320 surge watts, 4,000 rated watts
Start
Electric
Safety
WEN Watchdog CO shutdown sensor
Outlets
Four 3-prong 120 V, one TT-30R RV, one 12 V DC, two 5 V USB
Mobility
Onboard wheels, telescoping pull handle
Engine
224 cc
Tank
1.9 gallons
Weight
78.5 lb
Warranty
3 years limited
Amazon reference
B0D3WW1CSQ
EAN
0044459094807
Questions owners ask about this one
Does it lose power on propane?
Rated watts stay at 4,000 on propane; surge drops from 4,800 to 4,320.
Is it easy to start?
It has an electric start.
Can I move it alone?
At 78.5 lb, on its wheels with the telescoping handle, yes on flat ground.
Our score
8.0/ 10
A big, easy-starting dual fuel inverter that does not lose rated power on propane. Heavy, and on wheels for that reason.
Set beside the neighboring portable power units
Same category, nearby prices, between portable power units. What remains is the specifications every one publishes — half empty, a column is no use.
Model
Price
Outlets
Engine
Tank
Weight
WEN DF480iX 4,800 W dual fuel inverter generator
$647
Four 3-prong 120 V, one TT-30R RV, one 12 V DC, two 5 V USB
Two 3-prong 120 V, one TT-30R RV, one 12 V DC, two 5 V USB
149 cc
1.5 gallons
49 lb
Where the models are not equal, in portable power units
If price decides: WEN DF360iX 3,600 W dual fuel inverter generator, at $521.
Highest Engine in the table: this model (224 cc).
Highest Tank in the table: this model (1.9 gallons).
This model holds the table’s highest figure for Engine, Tank.
Who this one is for, among portable power units
RVs with a 13,500 BTU air conditioner, and home backup of a fridge and circuits
Sources
Specifications: the manufacturer sheet for portable power gear and the matching Amazon product page. Prices and availability: Keepa. Every figure on this page names its source.
