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| Specification | Aceup Energy AI4000DS | VEVOR R2000iSP |
|---|---|---|
| General | ||
| Product type | Not available | Not available |
| Fuel | Not available | Gasoline |
| Inverter | No | No |
| Parallel capable | Yes | No |
| RV ready | No | No |
| Running watts | Winner: Winner: 3200 W | 1800 W |
| Starting watts | Winner: Winner: 4000 W | 2900 W |
| Noise (lower limit) | Winner: Winner: 55 dB | 67 dB |
| Weight | Not available | Winner: Winner: 48.5 lbs |
| Run time @50% load | Winner: Winner: 8 h | 6 h |
| Run time @25% load | Not available | Not available |
| Fuel tank | 1.32 gal | 1.1 gal |
| Fuel gauge | No | No |
| Approx. dimensions (L × W × H) | Not available | 19.6 x 11.4 x 18.1 |
| Electrical | ||
| Voltage (AC) | 120V | 120 |
| Voltage (DC) | 12V | Not available |
| GFCI outlets | No | No |
| Covered outlets | No | No |
| Automatic Voltage Regulation | No | No |
| THD | Not available | Not available |
| Engine | ||
| Engine | 149cc 4-stroke OHV engine | Not available |
| Alternator | Not available | Not available |
| Starting system | Not available | Not available |
| Warranty | ||
| Warranty | 2 years | Not available |
| Power by fuel | ||
| Gasoline | Not available | Not available |
| Running watts | 3200 W | 1800 W |
| Starting watts | 4000 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 | Not available | 6 h |
| Run time @25% load | Not available | Not available |
| Other | ||
| Data center | Not available | Not available |
| Indicators | true | Not available |
| Compliance | EPA compliant | Not available |
| Security | Not available | Not available |
| Spark arrestor | No | No |
| Neutral | Not available | Not available |
| UPC | Not available | Not available |
| Core / High-priority specs | ||
| Running Watts (Gasoline) | 3200 | 1800 |
| Starting Watts (Gasoline) | 4000 | 2900 |
| Runtime @ 50% Load (Gasoline) | Not available | 6 |
| AC Outlet Types | One 20A outlet, one L5-30R Twist-Lock receptacle | Not available |
| Electrical & power | ||
| Frequency | 60 | 60 |
| Engine & construction | ||
| Engine Type | 4-stroke OHV | Not available |
| Engine Displacement | 149 | 79.7 |
| Runtime & fuel system | ||
| Runtime @ 50% Load (Gasoline) | Not available | 6 |
| Controls & display | ||
| Display Type | Intelligent gauge | Not available |
| Idle Control System | Economic mode | Not available |
| Safety & compliance | ||
| Overload Protection System | Not available | Overload protection |
| Carbon Monoxide Monitoring | No | Yes |
| Included equipment | ||
| Included Accessories | Oil funnel * 2; A bottle of Oil; Spark plug wrench | Not available |
| Warranty & identification | ||
| Residential Warranty | 2 | Not available |
| Part Number | SKU AI4000s | R2000iSP |
| Additional specs | ||
| Summary | The Aceup Energy AI4000DS is a 3200 watt rated gasoline generator with a peak output of 4000 watts, featuring a 149cc 4-stroke OHV engine and EPA compliance. | 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. |