The WEN DF250i is a dual-fuel generator with a rated wattage of 1800 and a peak wattage of 2250. It features inverter technology and a 4-stroke, OHV, single-cylinder engine.
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Here's the quick tradeoff view — what this model does well, and where it may not fit.
The WEN DF250i is a dual-fuel inverter generator built around a 1,800-watt running output with 2,250 starting watts for handling brief startup surges. With a 52 dB noise level, it is tuned for quieter operation, and its inverter design supports cleaner, more controlled power delivery.
Practical ownership details are clearly defined: it carries a 1.19-gallon fuel tank and is rated for 6 hours of runtime at 50 percent load, giving it a straightforward operating window for moderate-demand use. It is also parallel capable, and it comes backed by a 2-year warranty.
With 1,800 running watts and 2,250 starting watts, the DF250i is set up to run steady loads while still offering extra headroom for devices that draw more power when they first switch on. Its dual-fuel configuration provides flexibility in how it is operated, while the 1.19-gallon tank and 6-hour runtime at 50 percent load help frame how long it can sustain mid-level demand between refueling.
At 48.5 pounds, the DF250i lands in a weight range that can be moved without needing a dedicated transport system, and its compact footprint further supports that. The listed dimensions of 19 inches long, 11.5 inches wide, and 18.2 inches high make it easier to fit into storage areas and vehicle cargo spaces while keeping setup manageable.
The inverter design is a defining feature here, focusing the generator on stable power output rather than raw wattage alone. Parallel capability adds another layer of flexibility, letting the DF250i be paired in a setup that expands available power when needed, while still keeping the core unit compact and quiet at 52 dB.
Needs 240V output
Needs 240V output
Needs 240V output
Needs 240V output
May struggle with startup surge
Est. running: 1,000W
Peak surge (single motor): 1,200W
Avoid starting multiple motor loads at the same time.
Est. running: 1,300W
Peak surge (single motor): 1,200W
Avoid starting multiple motor loads at the same time.
Est. running: 200W
These are estimates using typical wattage assumptions. Real appliances vary. Startup surges can be 2–6× the running wattage for motor-driven loads. 240V loads require a 120/240V generator and proper connection. Use a transfer switch or interlock kit; never backfeed a panel.
WEN is renowned for delivering affordable, reliable generators and power equipment, catering to various residential and industrial needs.
| Fuel | Running | Starting | Runtime @50% | Runtime @25% |
|---|---|---|---|---|
| Gasoline | 2000W | 2500W | 6h | Not available |
| Propane | 1800W | 2250W | Not available | Not available |
| Running Watts | 1,800 watts |
|---|---|
| Starting Watts | 2,250 watts |
| Starting Watts (Gasoline) | 2,500 W |
| Starting Watts (Propane) | 2,250 W |
| Running Watts (Gasoline) | 2,000 W |
| Running Watts (Propane) | 1,800 W |
| Engine Type | 4-Stroke, OHV, Single Cylinder with Forced Air Cooling System. |
|---|---|
| Engine Displacement | 80 cc |
| Spark Plug | Torch A5RTC (NGK CR5HS). |
| Emissions Compliance | U.S. EPA SORE (Small Off Road Equipment). |
| Voltage (AC) | 120 |
|---|---|
| Voltage (DC) | 5 |
| Phase | Single. |
| AC Frequency | 60 hz |
| AC Outlets | Two three-prong 120V 15A NEMA 5-20R receptacles. |
| DC Outlets | 5V DC USB ports. |
| USB Outlets | Two 5V USB ports. |
| Dimensions | Length: 19. Width: 11.5. Height: 18.2. inches |
|---|---|
| Weight | 48.5 lbs |
| Emissions Compliance | U.S. EPA SORE (Small Off Road Equipment). |
|---|---|
| Documentation | Instruction Manual. |
| Fuel Tank Capacity | 1.19 gallons |
| Idle Control System | Eco-mode switch. |
| Inverter | Yes |
| Noise Level | 52 dBA |
| Overload Protection | Built-in overload protection. |
| Parallel Capable | Yes |
| Part Number | DF250i. |
| Residential Warranty | 2 years |
| Warranty | 2 years |
| Fuel Type | Dual-Fuel |
|---|
| Runtime @ 50% | 6 hours |
|---|---|
| Runtime @ 50% Load (Gasoline) | 6 hours |
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