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.
- Briggs & Stratton 30728 Storm Responder
- 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 | Briggs & Stratton 30728 Storm Responder | Aceup Energy AI4500W |
|---|---|---|
| General | ||
| Product type | Generator | Not available |
| Fuel | Gasoline | Gasoline |
| Inverter | No | Yes |
| Parallel capable | No | Yes |
| RV ready | No | Yes |
| Running watts | Winner: Winner: 6250 W | 3600 W |
| Starting watts | Winner: Winner: 8500 W | 4500 W |
| Noise (lower limit) | 0 dB | Not available |
| Weight | Winner: Winner: 210 lbs | Not available |
| Run time @50% load | Winner: Winner: 11 h | Not available |
| Run time @25% load | Not available | 10 h |
| Fuel tank | 7.5 gal | 2.65 gal |
| Fuel gauge | Yes | No |
| Approx. dimensions (L × W × H) | 28 x 27 x 28 | Not available |
| Electrical | ||
| Voltage (AC) | 120/240 | 120 |
| Voltage (DC) | Not available | 12 |
| GFCI outlets | Yes | No |
| Covered outlets | Yes | No |
| Automatic Voltage Regulation | Yes | No |
| THD | Not available | Not available |
| Engine | ||
| Engine | Briggs & Stratton® | 223cc 4-stroke OHV engine |
| Alternator | Not available | Not available |
| Starting system | Recoil | Not available |
| Warranty | ||
| Warranty | 2 years | 2 years |
| Power by fuel | ||
| Gasoline | Not available | Not available |
| Running watts | 6250 W | Not available |
| Starting watts | 8500 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 | 11 h | Not available |
| Run time @25% load | Not available | 10 h |
| Other | ||
| Data center | Not available | Not available |
| Indicators | true | true |
| Compliance | ANSI/PGMA G300-2018 | EPA compliant |
| Security | Not available | Not available |
| Spark arrestor | Yes | No |
| Neutral | true | Not available |
| UPC | 11675307288 | Not available |
| Core / High-priority specs | ||
| Running Watts (Gasoline) | 6250 | Not available |
| Starting Watts (Gasoline) | 8500 | Not available |
| Runtime @ 50% Load (Gasoline) | 11 | Not available |
| Runtime @ 25% Load (Gasoline) | Not available | 10 |
| AC Outlet Types | 2x Duplex 120V 20A (5-20R); 1x 120/240V 30A (L14-30R) | Two 120V AC 20A outlets and one 30A RV outlet |
| Electrical & power | ||
| Frequency | 60 | 60 |
| Engine & construction | ||
| Engine Type | 1850 Series™ OHV Engine | Not available |
| Engine Displacement | 420 | 223 |
| Runtime & fuel system | ||
| Runtime @ 25% Load (Gasoline) | Not available | 10 |
| Runtime @ 50% Load (Gasoline) | 11 | Not available |


