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A-iPower SUA4300iD vs WEN DF402iX: Which Generator Fits Your Needs?

A-iPower SUA4300iD vs WEN DF402iX: Which Generator Fits Your Needs?

Compare two dual-fuel inverter generators: A-iPower’s lighter 4300W-start option vs WEN’s steadier 50% runtime pick for RV and backup.

  • A-iPower SUA4300iD
  • WEN DF402iX

Comparison Overview

If you’re choosing between these two dual-fuel inverter generators, the biggest practical difference is how they balance surge power, weight, and the runtime data you can actually use. The A-iPower SUA4300iD delivers 4300 starting watts and 3450 running watts at 54.8 lb, while the WEN DF402iX is slightly higher at 3500 running watts but lower surge at 4000 starting watts, and heavier at 66.1 lb.

For portability and quick setup, that ~11 lb weight gap matters—especially for RV trips, tailgates, or moving the unit around a garage during outages. The A-iPower also lists 62 dB noise, giving you at least a reference point for campground or neighborhood use. WEN’s noise level isn’t provided here, so you’re deciding with less certainty on that front.

On runtime, the specs aren’t apples-to-apples: A-iPower lists 7.5 hours at 25% load, while WEN lists 7 hours at 50% load. That suggests WEN may hold up better under heavier, more realistic loads, but you can’t directly compare without matching load percentages.

Pick A-iPower if you value lighter carry and higher surge headroom; pick WEN if you expect sustained mid-load use and don’t mind extra weight.

Key takeaways

  • A-iPower SUA4300iD: **4300 starting watts**, 3450 running watts, and **54.8 lb** portability.
  • WEN DF402iX: 3500 running watts with **7 hours at 50% load** for steadier demand.
  • Both: Dual fuel (gasoline/propane) inverter design suited for electronics and RV use.
  • A-iPower SUA4300iD: Listed **62 dB** noise level; WEN noise spec isn’t provided here.
  • Warranty: A-iPower offers **3 years** coverage; WEN lists **2 years**.

Best use cases

Choose the A-iPower SUA4300iD if you want a lighter dual-fuel inverter that’s easier to move for RV weekends, camping, tailgates, or rolling out during short home outages. At 54.8 lb, it’s notably more manageable if you’re lifting into a truck bed or repositioning it to keep exhaust safely away from doors and windows. The 4300 starting watts can also be helpful for appliances that “kick on” hard—think a refrigerator compressor, a small window AC, or power tools that surge at startup—giving you a bit more cushion against nuisance overloads. You also get a stated 62 dB noise figure, which helps if quiet operation is a priority and you want a number to compare.

Choose the WEN DF402iX if your typical use is steadier, mid-level demand—like running a mix of essentials during an outage (fridge, lights, router, fans) or supporting an RV setup where loads can sit around moderate levels for hours. Its listed 7 hours at 50% load is a useful benchmark for “real use” scenarios where you’re not babying the generator at very light draw. The tradeoff is portability: at 66.1 lb, it’s more of a two-handed carry and may feel bulky for frequent loading/unloading.

Both are dual fuel (gasoline/propane) and inverter-based, so they’re generally well-suited to sensitive electronics and flexible fueling. The main tradeoffs are A-iPower’s lighter weight and higher surge versus WEN’s stronger mid-load runtime spec and slightly higher running watts.

Verdict & recommendation

If your priority is portability and a little extra startup headroom for surge-prone appliances, the A-iPower SUA4300iD is the more convenient fit at 54.8 lb with 4300 starting watts. If your priority is running at a more realistic, moderate load for longer stretches, the WEN DF402iX’s 7 hours at 50% load is a compelling spec—just expect a heavier unit at 66.1 lb.

Warranty may also sway you: A-iPower lists 3 years versus WEN’s 2 years, which can matter if you’re buying for occasional emergency use and want longer coverage. In the end, choose based on how often you’ll move it, whether your loads surge, and whether you care more about lighter handling or mid-load endurance.

Last updated February 7, 2026

  • Model SUA4300iD
    Model SUA4300iD

    A-iPower 3,450W Dual-Fuel Generator

    3450W
    Running
    62 dB
    Noise
    View details
  • Model DF402iX
    Model DF402iX

    WEN 3,500W Dual-Fuel Generator

    3500W
    Running
    0 dB
    Noise
    View details
Quick charts
Each chart uses its own Y-axis scale (so numbers are comparable within a chart).
Running watts
W
Starting watts
W
Noise
dB
Runtime @50%
h
Running watts by fuel
Shows how output changes across gasoline/propane/natural gas (when available).
Generator Specifications Comparison
SpecificationA-iPower SUA4300iDWEN DF402iX
General
Product type
Generator
Generator
Fuel
Dual-Fuel
Dual-Fuel
InverterYesYes
Parallel capableYesYes
RV readyNoYes
Running watts
3450 W
Winner: Winner: 3500 W
Starting watts
Winner: Winner: 4300 W
4000 W
Noise (lower limit)
Winner: Winner: 62 dB
0 dB
Weight
Winner: Winner: 54.8 lbs
66.1 lbs
Run time @50% load
Not available
Winner: Winner: 7 h
Run time @25% load
7.5 h
Not available
Fuel tank
1.6 gal
1.85 gal
Fuel gaugeYesYes
Approx. dimensions (L × W × H)
22.2 x 14.4 x 20.3
19.8 x 13.8 x 18.9
Electrical
Voltage (AC)
120
120
Voltage (DC)
12
5
GFCI outletsNoNo
Covered outletsYesNo
Automatic Voltage RegulationYesYes
THD
Not available
1.2 %
Engine
Engine
149 cc OHV 4-stroke
212 cc OHV 4-stroke
Alternator
Not available
Not available
Starting system
Recoil
Recoil
Warranty
Warranty
3 years
2 years
Power by fuel
GasolineNot availableNot available
Running watts
3450 W
3500 W
Starting watts
4300 W
4000 W
Running amps (120V)
Not available
Not available
Running amps (240V)
Not available
Not available
Peak amps (120V)
Not available
Not available
Peak amps (240V)
Not available
Not available
Run time @50% load
Not available
7 h
Run time @25% load
7.5 h
Not available
PropaneNot availableNot available
Running watts
3100 W
3200 W
Starting watts
3900 W
3600 W
Running amps (120V)
Not available
Not available
Running amps (240V)
Not available
Not available
Peak amps (120V)
Not available
Not available
Peak amps (240V)
Not available
Not available
Run time @50% load
Not available
9.5 h
Run time @25% load
11 h
Not available
Other
Data center
Not available
Not available
Indicators
true
true
Compliance
CARB, EPA, ANSI/PGMA G300-2023
EPA
Security
Not available
Not available
Spark arrestorYesYes
Neutral
true
Floating
UPC
850016881649
44459994022
Core / High-priority specs
Running Watts (Gasoline)
3450
3500
Running Watts (Propane)
3100
3200
Starting Watts (Gasoline)
4300
4000
Starting Watts (Propane)
3900
3600
Runtime @ 50% Load (Gasoline)
Not available
7
Runtime @ 50% Load (Propane)
Not available
9.5
Runtime @ 25% Load (Gasoline)
7.5
Not available
Runtime @ 25% Load (Propane)
11
Not available
AC Outlet Types
1x Duplex 120V 20A (5-20R) 1x 120V 30A (L5-30R)
1x Duplex 120V 20A (5-20R)1x 120V 30A (TT-30R)
Electrical & power
Frequency
60
60
Engine & construction
Engine Type
OHV 4-stroke
OHV 4-stroke
Engine Displacement
149
212
Runtime & fuel system
Runtime @ 25% Load (Gasoline)
7.5
Not available
Runtime @ 50% Load (Gasoline)
Not available
7
Runtime @ 50% Load (Propane)
Not available
9.5
Controls & display
Display Type
Not available
Inverter
Safety & compliance
Overload Protection System
Low oil and overload protection
Low oil, overload and low fuel protection, CO monitoring
Low Oil ProtectionNoYes
Carbon Monoxide MonitoringYesYes
Included equipment
Included Accessories
Oil, funnel, tool kit, propane hose, dual port USB adapter, RV adapter, and battery charging cables
Funnel, tool kit, propane hose, and 2 altitude kits
Warranty & identification
Residential Warranty
3
2
Commercial Warranty
3
2
Additional specs
Summary
The A-iPower SUA4300iD is a 3,450-watt dual-fuel generator that runs on either gasoline or propane. This flexibility means users can refuel based on what's available, whether that's a gas station during an outage or a propane tank for extended storage. The 4,300-watt peak output handles startup surges from refrigerators, air compressors, and power tools without stumbling. At 54.8 lbs, this unit moves easily into trucks, basements, or storage closets, making it practical for homeowners, campers, and job site crews who need power without the burden of a stationary installation.
The WEN DF402iX is a 4000-watt dual fuel open frame inverter generator designed for RV use, featuring a CO shutdown sensor for safety.
  • Most Powerful
    WEN DF402iX
    3500W running
  • Quietest
    A-iPower SUA4300iD
    62 dB
  • Longest Runtime
    WEN DF402iX
    7h at 50% load
Where to buy
Prices can change. We update these automatically.
A-iPower SUA4300iD
Store links
No links yet.
WEN DF402iX
Store links
No links yet.
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