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WEN DF680iX

Ranked #12 of 30 in Best Portable Inverter Generators: Champion, Westinghouse, WEN, DuroMax & FIRMAN (2026). Here is every spec we scored, where it came from, and how it compares.

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W

#12

WEN DF680iX

Best for: 5,100 W dual fuel with an L14-30R

5.6/10

What we like

Watch out for

Runtime at 25% load not published by WEN
Weight not published by WEN

Score breakdown

Running watts (gasoline) 25%

Runtime at 25% load * 15%

Runtime at 50% load 5%

Noise 15%

Weight * 10%

CO shutoff 10%

Runs on propane 10%

CARB compliant * 5%

Parallel capable 5%

* Not published by the manufacturer; scored at the lowest published value in this category, so an unpublished figure never outranks a published one.

* Other unpublished figures are scored at the category median so missing data neither helps nor hurts.

Running watts (gasoline)	5100 W
Runtime at 25% load	Not listed
Runtime at 50% load	6.1 h
Noise	64 dBA
Weight	Not listed
CO shutoff	Yes
Runs on propane	Yes
CARB compliant	Not listed
Parallel capable	Yes
Starting (peak) watts, gasoline	6,800 W
Running watts on propane	4,500 W
Fuel tank	2.9 gal
Outlets	Includes an L14-30R
Noise basis	64 dB at quarter load
CO shutoff	WEN Watchdog CO shutdown sensor
CARB	Not published by the maker
Price	Check price

Check price at Amazon

Specs source:

WEN: DF680iX

WEN DF680iX head-to-head

Head-to-headDuroMax XP7000iH vs WEN DF680iX

How it compares

Open the full comparison table

Westinghouse iGen5000DFc

#1 · EFI dual fuel with 18 h at quarter load and 52 dBA

Champion 6500W Dual Fuel Inverter (201532)

#2 · Most running watts here on a 64 dBA rating, with an L14-30R

DuroMax XP7000iH

#3 · 5,500 W dual fuel inverter with an L14-30R

Westinghouse iGen2550DFc

#4 · Small dual fuel with a TT-30R RV outlet

Westinghouse iGen4000DFc

#5 · Dual fuel 3,300 W at 52 dBA

Champion 4500W Electric Start Dual Fuel Inverter (201319)

#6 · 3,500 W dual fuel with 14 h at quarter load

WEN DF500iX

#7 · 120/240V dual fuel with 9 h at half load

Champion 2000W Dual Fuel Inverter (201230)

#8 · 2,000 W dual fuel with CO Shield at 39.5 lb

Champion 2500W Dual Fuel Inverter (201323)

#9 · Small dual fuel inverter at 53 dBA

DuroMax XP2300iH

#10 · Small dual fuel inverter at 52 dB

FIRMAN WH03342

#11 · Whisper dual fuel at 58 dB

Champion 5500W Dual Fuel Inverter (201561)

#13 · 4,000 W dual fuel with CO Shield and an RV outlet

Champion 4500W Dual Fuel Inverter (201531)

#14 · Light 4,500 W-peak dual fuel at 51.8 lb

WEN DF480iX

#15 · 4,000 W dual fuel with 7 h at half load

WEN DF525iX

#16 · Same 4,200 W on gas or propane

Champion 4000W Dual Fuel Inverter (201050)

#17 · 3,000 W dual fuel inverter at 51.8 lb

FIRMAN WT03571

#18 · Tri-fuel inverter at 52 lb

WEN DF280iX

#19 · 2,250 W dual fuel with 9 h at half load

Westinghouse iGen2550c

#20 · 1,900 W, 40 lb, TT-30R

Westinghouse iGen2800c

#21 · 2,200 W at 52 dBA with 12 h at quarter load

Westinghouse iGen4000c

#22 · Gas 3,300 W with remote start and 52 dBA

WEN DF360iX

#23 · 2,900 W dual fuel at 49 lb

Westinghouse iGen1500c

#24 · Smallest here: 1,000 W at 32 lb

Champion 5500W Inverter (201560)

#25 · 4,000 W gas-only inverter at 73.4 lb

WEN 56432iX

#26 · 3,600 W gas inverter at 53 lb

Champion 3400W Electric Start Dual Fuel Inverter (100396)

#27 · 3,100 W dual fuel with an L5-30R

Champion 2500W Inverter (201490)

#28 · Lightest generator here at 37.7 lb

Champion 4500W Inverter (201318)

#29 · 3,500 W gas inverter with 14 h at quarter load

WEN 56250iX

#30 · Light 1,900 W gas inverter at 37.5 lb