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Firman W01785 vs WEN 56225i

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

  • Model W01785
    Model W01785

    Firman 1,700W Gas Generator

    1700W
    Running
    54 dB
    Noise
    View details
  • Model 56225i
    Model 56225i

    WEN 1,800W Gas Generator

    1800W
    Running
    53 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
SpecificationFirman W01785WEN 56225i
General
Product type
Generator
Generator
Fuel
Gasoline
Gasoline
InverterYesYes
Parallel capableYesYes
RV readyNoNo
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 gaugeNoYes
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 outletsNoNo
Covered outletsYesNo
Automatic Voltage RegulationYesYes
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
GasolineNot availableNot 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 arrestorYesYes
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 ProtectionYesYes
Carbon Monoxide MonitoringYesNo
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 Powerful
    WEN 56225i
    1800W running
  • Quietest
    WEN 56225i
    53 dB
  • Longest Runtime
    WEN 56225i
    6h at 50% load
Where to buy
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Firman W01785
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WEN 56225i
Store links
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