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| Specification | Genmax GM3300i | VEVOR R2500iSP |
|---|---|---|
| General | ||
| Product type | Generator | Not available |
| Fuel | Gasoline | Gasoline |
| Inverter | Yes | No |
| Parallel capable | Yes | No |
| RV ready | Yes | No |
| Running watts | Winner: Winner: 3000 W | 2300 W |
| Starting watts | Winner: Winner: 3300 W | 3000 W |
| Noise (lower limit) | Winner: Winner: 62 dB | Not available |
| Weight | Winner: Winner: 47.4 lbs | 55.1 lbs |
| Run time @50% load | 4.5 h | Winner: Winner: 5 h |
| Run time @25% load | 6 h | Not available |
| Fuel tank | 1 gal | 1.2 gal |
| Fuel gauge | No | No |
| Approx. dimensions (L × W × H) | 18.9 x 11.4 x 17.3 | 20.5 x 12.6 x 17.7 |
| Electrical | ||
| Voltage (AC) | 120 | 120 |
| Voltage (DC) | 5 | Not available |
| GFCI outlets | No | No |
| Covered outlets | Yes | No |
| Automatic Voltage Regulation | Yes | No |
| THD | Not available | Not available |
| Engine | ||
| Engine | 145 cc Dinking OHV 4-stroke | 122cc four-stroke engine |
| Alternator | Not available | Not available |
| Starting system | Recoil | Not available |
| Warranty | ||
| Warranty | 1 years | Not available |
| Power by fuel | ||
| Gasoline | Not available | Not available |
| Running watts | 3000 W | 2300 W |
| Starting watts | 3300 W | 3000 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 | 4.5 h | 5 h |
| Run time @25% load | 6 h | Not available |
| Other | ||
| Data center | Not available | Not available |
| Indicators | true | Not available |
| Compliance | EPA, ANSI/PGMA G300-2023 | Not available |
| Security | Not available | Not available |
| Spark arrestor | Yes | No |
| Neutral | Floating | Not available |
| UPC | 768494056087 | Not available |
| Core / High-priority specs | ||
| Running Watts (Gasoline) | 3000 | 2300 |
| Starting Watts (Gasoline) | 3300 | 3000 |
| Runtime @ 50% Load (Gasoline) | 4.5 | 5 |
| Runtime @ 25% Load (Gasoline) | 6 | Not available |
| AC Outlet Types | 1x Duplex 120V 20A (5-20R) 1x 120V 30A (TT-30R) | Not available |
| Electrical & power | ||
| Frequency | 60 | 60 |
| Engine & construction | ||
| Engine Type | Dinking OHV 4-stroke | Not available |
| Engine Displacement | 145 | 122 |
| Engine Oil Type | 10W-30 | Not available |
| Runtime & fuel system | ||
| Runtime @ 25% Load (Gasoline) | 6 | Not available |
| Runtime @ 50% Load (Gasoline) | 4.5 | 5 |
| Safety & compliance | ||
| Overload Protection System | Low oil and overload protection, CO monitoring | Not available |
| Low Oil Protection | Yes | No |
| Carbon Monoxide Monitoring | Yes | Yes |
| Included equipment | ||
| Included Accessories | Funnel and tool kit | Not available |
| Warranty & identification | ||
| Part Number | GE-3300A | R2500iSP |
| Additional specs | ||
| Summary | The Genmax GM3300i is a 3000-watt gasoline inverter generator built for portability and clean power. At 47.4 lbs, it moves easily between campsites, job sites, and homes. The 3300-watt peak output handles startup surges on power tools and appliances, while the inverter technology protects laptops and phones from voltage spikes. | The VEVOR R2500iSP is a gasoline generator with a rated wattage of 2300 and a peak wattage of 3000. |
