
Firman W01785 vs WEN 56225i
Comparing the Firman W01785 and WEN 56225i portable inverter generators. See how their wattage, noise levels, runtime, and warranty stack up for your needs.
- Firman W01785
- WEN 56225i
Comparison Overview
The WEN 56225i edges ahead on raw power with 1800 running watts and 2250 starting watts, compared to the Firman W01785's 1700 running watts and 2100 starting watts. That extra 100 running watts and 150 starting watts may not sound like much on paper, but it can make the difference when you're trying to run a small appliance alongside other loads. Both are gasoline-powered inverter generators, meaning they produce clean power safe for sensitive electronics like laptops and phones.
Noise levels are nearly identical, with the Firman rated at 54 dB and the WEN at 53 dB, a difference most people won't notice in practice. The WEN is slightly heavier at 48.5 pounds versus the Firman's 45.9 pounds, but again, the gap is minimal. Runtime tells a more interesting story: the WEN runs for 9.4 hours at 25% load and 6 hours at 50% load, while the Firman manages 9 hours at 25% load with no published 50% load figure. The WEN's documented half-load runtime gives buyers a clearer picture of real-world fuel economy.
Where the Firman fights back is warranty coverage. It comes with a 3-year warranty compared to the WEN's 2-year warranty, which could matter if long-term peace of mind is a priority. Buyers who value a bit more power and runtime transparency may lean toward the WEN, while those who prioritize warranty protection might prefer the Firman.
Key takeaways
- WEN 56225i delivers 1800 running watts versus the Firman W01785's 1700 running watts
- Firman W01785 includes a 3-year warranty, one year longer than the WEN's 2-year coverage
- Both produce inverter-clean power safe for laptops, phones, and sensitive electronics
- Both operate at near-identical noise levels of 53 to 54 dB
- WEN 56225i publishes a 6-hour runtime at 50% load for better fuel planning
- Firman W01785 weighs 45.9 pounds, about 2.5 pounds lighter than the WEN
Best use cases
Choose the Firman W01785 if you want a slightly lighter unit with a longer warranty. At 45.9 pounds, it's a touch easier to carry to a campsite or load into a truck bed, and the 3-year warranty gives you an extra year of coverage over the WEN. If you tend to keep generators for several seasons and want that added safety net against defects, the Firman's warranty advantage is meaningful. It still delivers a solid 1700 running watts, which is enough to power a few lights, charge devices, and run a small fan or TV simultaneously. For light-duty camping, tailgating, or as a basic emergency backup for essentials, it handles the job well.
Choose the WEN 56225i if you need a bit more headroom in your power budget. The extra 100 running watts and 150 starting watts give you more flexibility to handle appliances with higher startup demands, like a small portable air conditioner or a larger power tool. The WEN also publishes a 6-hour runtime at 50% load, which is a more realistic benchmark for how most people actually use a generator. If you're running it at a campsite powering a mini fridge and some lights, or using it on a small job site for a circular saw and a charger, that half-load figure helps you plan fuel stops more accurately.
Both generators operate at whisper-quiet noise levels in the low 50s, so neither will disturb neighbors at a campground or during a backyard power outage. The weight difference of about 2.5 pounds is negligible for most people. The real decision comes down to whether you value the Firman's extra warranty year or the WEN's extra wattage and more transparent runtime data.
Verdict & recommendation
If your priority is maximum warranty coverage and you don't need every last watt, the Firman W01785 and its 3-year warranty offer solid value for light-duty use. If you'd rather have more power and better documented runtime performance, the WEN 56225i's 1800 running watts and published 50% load runtime give you a clearer picture of what you're getting and a bit more capacity to work with.
Neither generator is a bad choice. They're closely matched on noise, weight, and overall capability. For most buyers in this compact inverter class, the decision will hinge on whether an extra year of warranty or an extra 100 running watts matters more to your specific situation. Pick the one that aligns with how you plan to use it, and you'll be well served either way.
Last updated March 25, 2026
| Specification | Firman W01785 | WEN 56225i |
|---|---|---|
| General | ||
| Product type | Generator | Generator |
| Fuel | Gasoline | Gasoline |
| Inverter | Yes | Yes |
| Parallel capable | Yes | Yes |
| RV ready | No | No |
| Running watts | 1700 W | Winner: Winner: 1800 W |
| Starting watts | 2100 W | Winner: Winner: 2250 W |
| Noise (lower limit) | 54 dB | Winner: Winner: 53 dB |
| Weight | Winner: Winner: 45.9 lbs | 48.5 lbs |
| Run time @50% load | Not available | Winner: Winner: 6 h |
| Run time @25% load | 9 h | 9.4 h |
| Fuel tank | 0.9 gal | 1 gal |
| Fuel gauge | No | Yes |
| Approx. dimensions (L × W × H) | 20 x 12.1 x 16.7 | 18 x 11.5 x 18.2 |
| Electrical | ||
| Voltage (AC) | 120 | 120 |
| Voltage (DC) | 5 | 5 |
| GFCI outlets | No | No |
| Covered outlets | Yes | No |
| Automatic Voltage Regulation | Yes | Yes |
| THD | <3% % | 1.2 % |
| Engine | ||
| Engine | 80 cc OHV 4-stroke, cast iron sleeve. | WEN OHV 4-stroke 79.7 cc |
| Alternator | Not available | Not available |
| Starting system | Not available | Recoil |
| Warranty | ||
| Warranty | 3 years | 2 years |
| Power by fuel | ||
| Gasoline | Not available | Not available |
| Running watts | Not available | 1800 W |
| Starting watts | Not available | 2250 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 | 6 h |
| Run time @25% load | Not available | 9.4 h |
| Other | ||
| Data center | Not available | Not available |
| Indicators | true | true |
| Compliance | CARB, EPA | EPA |
| Security | Not available | Not available |
| Spark arrestor | Yes | Yes |
| Neutral | Floating | Floating |
| UPC | 840876117859 | 44459562252 |
| Core / High-priority specs | ||
| Running Watts (Gasoline) | Not available | 1800 |
| Starting Watts (Gasoline) | Not available | 2250 |
| Runtime @ 50% Load (Gasoline) | Not available | 6 |
| Runtime @ 25% Load (Gasoline) | Not available | 9.4 |
| AC Outlet Types | 1x 120V 20A (5-20R); 1x 120V 30A (L5-30R) | 1x Duplex 120V 20A (5-20R) |
| Electrical & power | ||
| Frequency | 60 | 60 |
| Engine & construction | ||
| Engine Type | 80 cc OHV 4-stroke, cast iron sleeve. | Not available |
| Engine Displacement | 80 | 79.7 |
| Cylinder Sleeve | cast iron sleeve | Not available |
| Runtime & fuel system | ||
| Runtime @ 25% Load (Gasoline) | Not available | 9.4 |
| Runtime @ 50% Load (Gasoline) | Not available | 6 |
| Safety & compliance | ||
| Low Oil Protection | Yes | Yes |
| Carbon Monoxide Monitoring | Yes | No |
| Included equipment | ||
| Included Accessories | Oil, funnel, tool kit, and RV adapter | No |
| Warranty & identification | ||
| Residential Warranty | 3 | Not available |
| Additional specs | ||
| Summary | The Firman W01785 is a 1,700-watt inverter generator built on an 80 cc OHV 4-stroke engine with a cast iron sleeve. At 45.9 lbs, this unit delivers enough power to run a laptop, phone chargers, small power tools, and basic household appliances simultaneously, but cannot handle heavy loads like air conditioners or large welders. The 2,100-watt peak gives it the starting surge needed for devices with inrush current, such as refrigerators or circular saws. Because the W01785 runs on gasoline and produces less than 3 percent THD, users can safely connect sensitive electronics like laptops and televisions without risk of voltage spikes causing damage. The 54 dB noise level means operation at conversational volume, making this unit suitable for campgrounds, residential neighborhoods, and RV parks where noise restrictions apply. | The WEN 56225i is a gasoline-powered generator with a rated wattage of 1800 and a peak wattage of 2250. It is designed to provide clean, reliable power with inverter technology for sensitive electronics. |
- Most PowerfulWEN 56225i1800W running
- QuietestWEN 56225i53 dB
- Longest RuntimeWEN 56225i6h at 50% load


