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- Cummins Onan P2500i
- VEVOR R3000iEPN-R
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).
| Specification | Cummins Onan P2500i | VEVOR R3000iEPN-R |
|---|---|---|
| General | ||
| Product type | Generator | Not available |
| Fuel | Gasoline | Dual-Fuel |
| Inverter | Yes | Yes |
| Parallel capable | Yes | No |
| RV ready | No | No |
| Running watts | 2200 W | Winner: Winner: 3200 W |
| Starting watts | 2500 W | Winner: Winner: 3200 W |
| Noise (lower limit) | Winner: Winner: 52 dB | 66 dB |
| Weight | Winner: Winner: 48 lbs | 100.3 lbs |
| Run time @50% load | 8 h | Winner: Winner: 8.5 h |
| Run time @25% load | 10 h | Not available |
| Fuel tank | 1 gal | 2.3 gal |
| Fuel gauge | Yes | No |
| Approx. dimensions (L × W × H) | 19.8 x 10.5 x 18.3 | 23.2 x 18.0 x 20.1 |
| Electrical | ||
| Voltage (AC) | 120 | 120 |
| Voltage (DC) | 12 | Not available |
| GFCI outlets | No | No |
| Covered outlets | Yes | No |
| Automatic Voltage Regulation | Yes | No |
| THD | <3% % | Not available |
| Engine | ||
| Engine | 98 cc Ducar OHV 4-stroke engine | 212cc four-stroke engine |
| Alternator | Not available | Not available |
| Starting system | Recoil | Not available |
| Warranty | ||
| Warranty | 3 years | Not available |
| Power by fuel | ||
| Gasoline | Not available | Not available |
| Running watts | 2200 W | 3200 W |
| Starting watts | 2500 W | 3200 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 | 8 h | 8.5 h |
| Run time @25% load | 10 h | Not available |
| Propane | Not available | Not available |
| Running watts | Not available | 2900 W |
| Starting watts | Not available | 2900 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 | Not available |
| Run time @25% load | Not available | Not available |
| Other | ||
| Data center | Not available | Not available |
| Indicators | true | Not available |
| Compliance | CARB, EPA | Not available |
| Security | Not available | Not available |
| Spark arrestor | Yes | No |
| Neutral | Floating | Not available |
| UPC | 690781007918 | Not available |
| Core / High-priority specs | ||
| Running Watts (Gasoline) | 2200 | 3200 |
| Running Watts (Propane) | Not available | 2900 |
| Starting Watts (Gasoline) | 2500 | 3200 |
| Starting Watts (Propane) | Not available | 2900 |
| Runtime @ 50% Load (Gasoline) | 8 | 8.5 |
| Runtime @ 25% Load (Gasoline) | 10 | Not available |
| AC Outlet Types | 1x Duplex 120V 20A (5-20R) | Not available |
| Electrical & power | ||
| Frequency | 60 | 60 |
| Engine & construction | ||
| Engine Type | Ducar OHV 4-stroke | Not available |
| Engine Displacement | 98 | 212 |
| Engine Oil Type | SAE 10W30 | Not available |
| Runtime & fuel system | ||
| Runtime @ 25% Load (Gasoline) | 10 | Not available |
| Runtime @ 50% Load (Gasoline) | 8 | 8.5 |
| Safety & compliance | ||
| Overload Protection System | Low oil and overload protection | Not available |
| Low Oil Protection | Yes | No |
| Included equipment | ||
| Included Accessories | Oil, funnel, and tool kit | Not available |
| Warranty & identification | ||
| Part Number | Not available | R3000iEPN-R |
| Additional specs | ||
| Summary | The Cummins Onan P2500i is a 2200-watt inverter generator built for users who need portable power without sacrificing runtime or noise control. At 48 pounds and measuring 19.8 by 10.5 by 18.3 inches, this unit bridges the gap between true portability and practical capacity. It can run a microwave, small refrigerator, or circular saw continuously, making it suitable for camping trips, job sites, tailgating, and emergency backup. The 1-gallon fuel tank delivers 10 hours at 25 percent load and 8 hours at 50 percent load, meaning most users refuel once per day rather than multiple times.
The inverter topology produces clean power with less than 3 percent THD, which protects laptops, phone chargers, and sensitive electronics from voltage spikes. Cummins backs this unit with a 3-year warranty, longer than the 2.4-year average for comparable inverter generators. The 52 dBA noise level sits between a normal conversation and light traffic, allowing operation in noise-restricted campgrounds and residential neighborhoods without drawing complaints. | The VEVOR R3000iEPN-R is a dual-fuel inverter generator with a rated and peak wattage of 3200 watts. |
- Most PowerfulVEVOR R3000iEPN-R3200W running
- QuietestCummins Onan P2500i52 dB
- Longest RuntimeVEVOR R3000iEPN-R8.5h at 50% load
Where to buy
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Cummins Onan P2500i
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VEVOR R3000iEPN-R
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