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| Specification | NorthStar e9250s | Aceup Energy AI4000DS |
|---|---|---|
| General | ||
| Product type | Generator | Not available |
| Fuel | Gasoline | Not available |
| Inverter | No | No |
| Parallel capable | No | Yes |
| RV ready | No | No |
| Running watts | Winner: Winner: 7250 W | 3200 W |
| Starting watts | Winner: Winner: 9250 W | 4000 W |
| Noise (lower limit) | 74 dB | Winner: Winner: 55 dB |
| Weight | Winner: Winner: 277 lbs | Not available |
| Run time @50% load | Winner: Winner: 10.8 h | 8 h |
| Run time @25% load | Not available | Not available |
| Fuel tank | 8 gal | 1.32 gal |
| Fuel gauge | Yes | No |
| Approx. dimensions (L × W × H) | 41 x 32 x 29 | Not available |
| Electrical | ||
| Voltage (AC) | 120/240V 60 Hz | 120V |
| Voltage (DC) | Not available | 12V |
| GFCI outlets | Yes | No |
| Covered outlets | Yes | No |
| Automatic Voltage Regulation | Yes | No |
| THD | <5% % | Not available |
| Engine | ||
| Engine | NorthStar e420 OHV 4-stroke | 149cc 4-stroke OHV engine |
| Alternator | Not available | Not available |
| Starting system | Recoil, Electric | Not available |
| Warranty | ||
| Warranty | 4 years | 2 years |
| Power by fuel | ||
| Gasoline | Not available | Not available |
| Running watts | 7250 W | 3200 W |
| Starting watts | 9250 W | 4000 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 | 10.8 h | Not available |
| Run time @25% load | Not available | Not available |
| Other | ||
| Data center | Not available | Not available |
| Indicators | false | true |
| Compliance | EPA | EPA compliant |
| Security | Not available | Not available |
| Spark arrestor | Yes | No |
| Neutral | true | Not available |
| UPC | 840321737359 | Not available |
| Core / High-priority specs | ||
| Running Watts (Gasoline) | 7250 | 3200 |
| Starting Watts (Gasoline) | 9250 | 4000 |
| Runtime @ 50% Load (Gasoline) | 10.8 | Not available |
| AC Outlet Types | 3x Duplex 120V 20A (5-20R) GFCI1x 120V 30A (L5-30R)1x 120/240V 30A (L14-30R) | One 20A outlet, one L5-30R Twist-Lock receptacle |
| Electrical & power | ||
| Frequency | 60 | 60 |
| Engine & construction | ||
| Engine Type | OHV 4-stroke | 4-stroke OHV |
| Engine Displacement | 420 | 149 |
| Runtime & fuel system | ||
| Runtime @ 50% Load (Gasoline) | 10.8 | Not available |
| Controls & display | ||
| Display Type | Not available | Intelligent gauge |
| Idle Control System | Not available | Economic mode |
| Safety & compliance | ||
| Overload Protection System | Low oil and overload protection | Not available |
| Low Oil Protection | Yes | No |
| Carbon Monoxide Monitoring | Yes | No |
| Included equipment | ||
| Included Accessories | Funnel, battery, and wheel kit | Oil funnel * 2; A bottle of Oil; Spark plug wrench |
| Warranty & identification | ||
| Residential Warranty | Not available | 2 |
| Commercial Warranty | 4 | Not available |
| Part Number | Not available | SKU AI4000s |
| Additional specs | ||
| Summary | The NorthStar e9250s is a commercial-grade, portable generator featuring a 420cc OHV EFI engine, delivering 9,250 surge watts and 7,250 rated watts. It boasts Quiet Armor Technology for reduced noise, an electric start with a built-in battery charger, and a multi-function LCD display for monitoring generator functions. | 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. |
