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- A-iPower GXS7600iRD
- Cummins Onan P2500i
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 | A-iPower GXS7600iRD | Cummins Onan P2500i |
|---|---|---|
| General | ||
| Product type | Generator | Generator |
| Fuel | Dual-Fuel | Gasoline |
| Inverter | Yes | Yes |
| Parallel capable | Yes | Yes |
| RV ready | No | No |
| Running watts | Winner: Winner: 6100 W | 2200 W |
| Starting watts | Winner: Winner: 7600 W | 2500 W |
| Noise (lower limit) | 66 dB | Winner: Winner: 52 dB |
| Weight | 131.5 lbs | Winner: Winner: 48 lbs |
| Run time @50% load | Not available | Winner: Winner: 8 h |
| Run time @25% load | Not available | 10 h |
| Fuel tank | 3.6 gal | 1 gal |
| Fuel gauge | Yes | Yes |
| Approx. dimensions (L × W × H) | 27.6 x 22 x 24 | 19.8 x 10.5 x 18.3 |
| Electrical | ||
| Voltage (AC) | 120/240 | 120 |
| Voltage (DC) | Not available | 12 |
| GFCI outlets | No | No |
| Covered outlets | Yes | Yes |
| Automatic Voltage Regulation | Yes | Yes |
| THD | < 3% % | <3% % |
| Engine | ||
| Engine | 322 cc OHV 4-stroke | 98 cc Ducar OHV 4-stroke engine |
| Alternator | Not available | Not available |
| Starting system | Not available | Recoil |
| Warranty | ||
| Warranty | 3 years | 3 years |
| Power by fuel | ||
| Gasoline | Not available | Not available |
| Running watts | 6100 W | 2200 W |
| Starting watts | 7600 W | 2500 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 | 8 h |
| Run time @25% load | 10 h | 10 h |
| Propane | Not available | Not available |
| Running watts | 5500 W | Not available |
| Starting watts | 6900 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 | Not available | Not available |
| Run time @25% load | 11.2 h | Not available |
| Other | ||
| Data center | Digital data center | Not available |
| Indicators | true | true |
| Compliance | CARB, EPA, ANSI/PGMA G300-2023 | CARB, EPA |
| Security | Not available | Not available |
| Spark arrestor | Yes | Yes |
| Neutral | Floating | Floating |
| UPC | 850016881526 | 690781007918 |
| Core / High-priority specs | ||
| Running Watts (Gasoline) | 6100 | 2200 |
| Running Watts (Propane) | 5500 | Not available |
| Starting Watts (Gasoline) | 7600 | 2500 |
| Starting Watts (Propane) | 6900 | Not available |
| Rated Watts (Gasoline) | 6100 | Not available |
| Rated Watts (Propane) | 5500 | Not available |
| Peak Watts (Gasoline) | 7600 | Not available |
| Peak Watts (Propane) | 6900 | Not available |
| Runtime @ 50% Load (Gasoline) | Not available | 8 |
| Runtime @ 25% Load (Gasoline) | 10 | 10 |
| Runtime @ 25% Load (Propane) | 11.2 | Not available |
| AC Outlet Types | 1x Duplex 120V 20A (5-20R); 1x 120V 30A (L5-30R); 1x 120/240V 30A (L14-30R) | 1x Duplex 120V 20A (5-20R) |
| Electrical & power | ||
| Frequency | 60 | 60 |
| Engine & construction | ||
| Engine Type | OHV 4-stroke | Ducar OHV 4-stroke |
| Engine Displacement | 322 | 98 |
| Engine Oil Type | Not available | SAE 10W30 |
| Runtime & fuel system | ||
| Runtime @ 25% Load (Gasoline) | 10 | 10 |
| Runtime @ 50% Load (Gasoline) | Not available | 8 |
| Controls & display | ||
| Display Type | Digital data center | Not available |
| Idle Control System | Low idle technology | Not available |
| Safety & compliance | ||
| Overload Protection System | Low oil and overload protection | Low oil and overload protection |
| Low Oil Protection | No | Yes |
| Carbon Monoxide Monitoring | Yes | No |
| Included equipment | ||
| Included Accessories | Oil, funnel, tool kit, key fob, battery charger, propane hose, RV adapter, and battery | Oil, funnel, and tool kit |
| Additional specs | ||
| Summary | The A-iPower GXS7600iRD is a 6,100-watt dual-fuel inverter generator built for job sites and RV use. On gasoline, it delivers enough power for multiple power tools simultaneously or a full-size RV electrical system. The propane option extends runtime and reduces emissions, making it flexible for extended deployments. | The Cummins Onan P2500i is a 2200-watt inverter generator built for users who need portable power without sacrificing runtime or noise control. At 48 pounds and measuring 19.8 by 10.5 by 18.3 inches, this unit bridges the gap between true portability and practical capacity. It can run a microwave, small refrigerator, or circular saw continuously, making it suitable for camping trips, job sites, tailgating, and emergency backup. The 1-gallon fuel tank delivers 10 hours at 25 percent load and 8 hours at 50 percent load, meaning most users refuel once per day rather than multiple times.
The inverter topology produces clean power with less than 3 percent THD, which protects laptops, phone chargers, and sensitive electronics from voltage spikes. Cummins backs this unit with a 3-year warranty, longer than the 2.4-year average for comparable inverter generators. The 52 dBA noise level sits between a normal conversation and light traffic, allowing operation in noise-restricted campgrounds and residential neighborhoods without drawing complaints. |
- Most PowerfulA-iPower GXS7600iRD6100W running
- QuietestCummins Onan P2500i52 dB
- Longest RuntimeCummins Onan P2500i8h at 50% load
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A-iPower GXS7600iRD
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Cummins Onan P2500i
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