
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
| Specification | A-iPower SUA4300iD | WEN DF402iX |
|---|---|---|
| General | ||
| Product type | Generator | Generator |
| Fuel | Dual-Fuel | Dual-Fuel |
| Inverter | Yes | Yes |
| Parallel capable | Yes | Yes |
| RV ready | No | Yes |
| 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 gauge | Yes | Yes |
| 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 outlets | No | No |
| Covered outlets | Yes | No |
| Automatic Voltage Regulation | Yes | Yes |
| 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 | ||
| Gasoline | Not available | Not 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 |
| Propane | Not available | Not 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 arrestor | Yes | Yes |
| 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 Protection | No | Yes |
| Carbon Monoxide Monitoring | Yes | Yes |
| 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 PowerfulWEN DF402iX3500W running
- QuietestA-iPower SUA4300iD62 dB
- Longest RuntimeWEN DF402iX7h at 50% load


