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| Specification | Genmax GM2200i | VEVOR R2000iSP |
|---|---|---|
| General | ||
| Product type | Generator | Not available |
| Fuel | Gasoline | Gasoline |
| Inverter | Yes | No |
| Parallel capable | Yes | No |
| RV ready | No | No |
| Running watts | Winner: Winner: 1800 W | Winner: Winner: 1800 W |
| Starting watts | 2200 W | Winner: Winner: 2900 W |
| Noise (lower limit) | Winner: Winner: 58 dB | 67 dB |
| Weight | Winner: Winner: 41.9 lbs | 48.5 lbs |
| Run time @50% load | Winner: Winner: 6 h | Winner: Winner: 6 h |
| Run time @25% load | 8 h | Not available |
| Fuel tank | 1 gal | 1.1 gal |
| Fuel gauge | No | No |
| Approx. dimensions (L × W × H) | 18.9 x 11.4 x 17.3 | 19.6 x 11.4 x 18.1 |
| Electrical | ||
| Voltage (AC) | 120 | 120 |
| Voltage (DC) | 5 | Not available |
| GFCI outlets | No | No |
| Covered outlets | Yes | No |
| Automatic Voltage Regulation | Yes | No |
| THD | <3% % | Not available |
| Engine | ||
| Engine | 79.7 cc Dinking OHV 4-stroke | Not available |
| 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 | 1800 W | 1800 W |
| Starting watts | 2200 W | 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 | 6 h | 6 h |
| Run time @25% load | 8 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 | Not available | Not available |
| UPC | 738349925141 | Not available |
| Core / High-priority specs | ||
| Running Watts (Gasoline) | 1800 | 1800 |
| Starting Watts (Gasoline) | 2200 | 2900 |
| Runtime @ 50% Load (Gasoline) | 6 | 6 |
| Runtime @ 25% Load (Gasoline) | 8 | Not available |
| AC Outlet Types | 1x Duplex 120V 20A (5-20R) | Not available |
| Electrical & power | ||
| Frequency | 60 | 60 |
| Engine & construction | ||
| Engine Type | Dinking OHV 4-stroke | Not available |
| Engine Displacement | 79.7 | 79.7 |
| Engine Oil Type | 10W-30 | Not available |
| Runtime & fuel system | ||
| Runtime @ 25% Load (Gasoline) | 8 | Not available |
| Runtime @ 50% Load (Gasoline) | 6 | 6 |
| Safety & compliance | ||
| Overload Protection System | Low oil and overload protection, CO monitoring | Overload protection |
| Low Oil Protection | Yes | No |
| Carbon Monoxide Monitoring | Yes | Yes |
| Included equipment | ||
| Included Accessories | Funnel and tool kit | Not available |
| Warranty & identification | ||
| Part Number | Not available | R2000iSP |
| Additional specs | ||
| Summary | The GENMAX GM2200i is a 2200-watt gasoline inverter generator featuring a 79.7cc engine, CO detection, and parallel capability, designed for quiet and efficient power supply. | The VEVOR R2000iSP is a 1,800W gasoline inverter generator built for portability and selective-load backup. Its 2,900W starting surge handles refrigerators, window AC units, and power tools, while the 1,800W continuous rating anchors everyday use like camping, tailgating, and short-duration home outages. At 48.5 lbs and 19.6 x 11.4 x 18.1 inches, it prioritizes grab-and-go convenience over extended runtime. |
