Compare Generators Side-by-Side
Select up to 4 generators to compare specs, power output, noise levels, runtime and more. Your compare URL is shareable.
- Sportsman GEN4000iOF
- Aceup Energy AI4500W
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 | Sportsman GEN4000iOF | Aceup Energy AI4500W |
|---|---|---|
| General | ||
| Product type | Generator | Not available |
| Fuel | Gasoline | Gasoline |
| Inverter | Yes | Yes |
| Parallel capable | Yes | Yes |
| RV ready | Yes | Yes |
| Running watts | 3500 W | Winner: Winner: 3600 W |
| Starting watts | 3850 W | Winner: Winner: 4500 W |
| Noise (lower limit) | Winner: Winner: 65 dB | Not available |
| Weight | Winner: Winner: 93 lbs | Not available |
| Run time @50% load | Winner: Winner: 10 h | Not available |
| Run time @25% load | Not available | 10 h |
| Fuel tank | 4.5 gal | 2.65 gal |
| Fuel gauge | Yes | No |
| Approx. dimensions (L × W × H) | 23 x 17.5 x 20.3 | Not available |
| Electrical | ||
| Voltage (AC) | 120 | 120 |
| Voltage (DC) | 5 | 12 |
| GFCI outlets | No | No |
| Covered outlets | No | No |
| Automatic Voltage Regulation | Yes | No |
| THD | 5 % | Not available |
| Engine | ||
| Engine | 223 cc OHV 4-stroke | 223cc 4-stroke OHV engine |
| Alternator | Not available | Not available |
| Starting system | Recoil | Not available |
| Warranty | ||
| Warranty | 1 years | 2 years |
| Power by fuel | ||
| Gasoline | Not available | Not available |
| Running watts | 3500 W | Not available |
| Starting watts | 3850 W | Not available |
| 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 h | Not available |
| Run time @25% load | Not available | 10 h |
| Other | ||
| Data center | Not available | Not available |
| Indicators | true | true |
| Compliance | EPA | EPA compliant |
| Security | Not available | Not available |
| Spark arrestor | Yes | No |
| Neutral | Not available | Not available |
| UPC | 27077805437 | Not available |
| Core / High-priority specs | ||
| Running Watts (Gasoline) | 3500 | Not available |
| Starting Watts (Gasoline) | 3850 | Not available |
| Runtime @ 50% Load (Gasoline) | 10 | Not available |
| Runtime @ 25% Load (Gasoline) | Not available | 10 |
| AC Outlet Types | 1x Duplex 120V 20A (5-20R)1x 120V 30A (TT-30R) | Two 120V AC 20A outlets and one 30A RV outlet |
| Electrical & power | ||
| Frequency | 60 | 60 |
| Engine & construction | ||
| Engine Type | 223 cc OHV 4-stroke | Not available |
| Engine Displacement | 223 | 223 |
| Engine Oil Type | SAE 10W30 | Not available |
| Runtime & fuel system | ||
| Runtime @ 25% Load (Gasoline) | Not available | 10 |
| Runtime @ 50% Load (Gasoline) | 10 | Not available |
| Controls & display | ||
| Idle Control System | Not available | Economic mode to save fuel |
| Safety & compliance | ||
| Overload Protection System | Low oil and overload protection | Not available |
| Low Oil Protection | Yes | No |
| Carbon Monoxide Monitoring | No | No |
| Included equipment | ||
| Included Accessories | Tool kit | Car charger adapter (two 5V USB ports) |
| Warranty & identification | ||
| Residential Warranty | Not available | 2 |
| Part Number | Not available | AI4500W |
| Additional specs | ||
| Summary | The Sportsman GEN4000iOF is a gasoline-powered inverter generator delivering 3,850 surge watts and 3,500 running watts, suitable for powering sensitive electronics with its clean sine wave output. | The Aceup Energy AI4500W is a gasoline-powered inverter generator with a rated wattage of 3600 and a peak wattage of 4500. It features recoil start and EPA compliance. |
- Most PowerfulAceup Energy AI4500W3600W running
- QuietestSportsman GEN4000iOF65 dB
- Longest RuntimeSportsman GEN4000iOF10h at 50% load
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Sportsman GEN4000iOF
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Aceup Energy AI4500W
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