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.
- A-iPower SC2500i
- Ryobi RYi6522
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 SC2500i | Ryobi RYi6522 |
|---|---|---|
| General | ||
| Product type | Generator | Generator |
| Fuel | Gasoline | Gasoline |
| Inverter | Yes | Yes |
| Parallel capable | Yes | No |
| RV ready | No | Yes |
| Running watts | 2000 W | Winner: Winner: 5500 W |
| Starting watts | 2500 W | Winner: Winner: 6500 W |
| Noise (lower limit) | Winner: Winner: 52 dB | 72.3 dB |
| Weight | Winner: Winner: 49.9 lbs | 118 lbs |
| Run time @50% load | 6.5 h | Winner: Winner: 8.5 h |
| Run time @25% load | 9 h | Not available |
| Fuel tank | 1.1 gal | 4 gal |
| Fuel gauge | Yes | No |
| Approx. dimensions (L × W × H) | 21.7 x 14 x 20.9 | 24.4 x 20.9 x 22.5 |
| Electrical | ||
| Voltage (AC) | 120 | 120 |
| Voltage (DC) | 12 | 5 |
| GFCI outlets | No | Yes |
| Covered outlets | Yes | Yes |
| Automatic Voltage Regulation | Yes | Yes |
| THD | Not available | 5 % |
| Engine | ||
| Engine | 80 cc Yamaha OHV 4-stroke | 298 cc OHV 4-stroke |
| Alternator | Not available | Not available |
| Starting system | Recoil | Recoil |
| Warranty | ||
| Warranty | 3 years | 3 years |
| Power by fuel | ||
| Gasoline | Not available | Not available |
| Running watts | 2000 W | 5500 W |
| Starting watts | 2500 W | 6500 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 | 6.5 h | 8.5 h |
| Run time @25% load | 9 h | Not available |
| Other | ||
| Data center | Not available | Not available |
| Indicators | true | true |
| Compliance | CARB, EPA, ANSI/PGMA G300-2023 | EPA |
| Security | Not available | Not available |
| Spark arrestor | Yes | Yes |
| Neutral | Not available | true |
| UPC | 850016881755 | 46396052193 |
| Core / High-priority specs | ||
| Running Watts (Gasoline) | 2000 | 5500 |
| Starting Watts (Gasoline) | 2500 | 6500 |
| Runtime @ 50% Load (Gasoline) | 6.5 | 8.5 |
| Runtime @ 25% Load (Gasoline) | 9 | Not available |
| AC Outlet Types | 1x Duplex 120V 20A (5-20R) 1x 120V 30A (L5-30R) | 2x Duplex 120V 20A (5-20R) GFCI; 1x 120V 30A (TT-30R); 1x 120/240V 30A (L14-30R) |
| Electrical & power | ||
| Frequency | 60 | 60 |
| Engine & construction | ||
| Engine Type | Yamaha OHV 4-stroke | OHV 4-stroke |
| Engine Displacement | 80 | 298 |
| Runtime & fuel system | ||
| Runtime @ 25% Load (Gasoline) | 9 | Not available |
| Runtime @ 50% Load (Gasoline) | 6.5 | 8.5 |
| Safety & compliance | ||
| Overload Protection System | Low oil and overload protection | Low oil and overload protection |
| Carbon Monoxide Monitoring | Yes | Yes |
| Included equipment | ||
| Included Accessories | Oil, funnel, tool kit, RV adapter, battery charging cables, and parallel cables | Oil, tool kit, and wheel kit |
| Warranty & identification | ||
| Commercial Warranty | 3 | 3 |
| Additional specs | ||
| Summary | The A-iPower SC2500i is a 2000-watt inverter generator built around a Yamaha 80cc OHV 4-stroke engine. This wattage class handles essential household appliances, small power tools, and recreational equipment simultaneously. Think refrigerator plus microwave plus laptop charging at the same time. The 2500-watt peak rating gives it headroom to start high-inrush devices like air compressors or small air conditioning units without stalling. At 49.9 pounds, this unit sits at the grab-and-go threshold where one person can carry it to a campsite, tailgate, or storage shelf without strain.
Inverter technology means the output is electronically regulated to stay within 3% voltage variance. This protection matters for laptops, phones, and televisions that can suffer permanent damage from dirty power. The SC2500i runs on standard gasoline, which is available everywhere and costs less per hour than propane alternatives. With a 1.1-gallon tank, the refueling cycle is predictable. At half load you get 6.5 hours before the pump runs dry. At quarter load, 9 hours. For weekend camping or a single-day job site, this eliminates the mid-use refueling hassle. | The Ryobi RYi6522 is a 6500-watt open frame inverter generator designed to provide reliable power for various applications, including RVs, home backup, and job sites. It features a 298cc OHV engine delivering 6500 starting watts and 5500 running watts, CO Detect carbon monoxide shutdown sensor for added safety, and Pure Sine Wave Technology to safely power sensitive electronics. |
- Most PowerfulRyobi RYi65225500W running
- QuietestA-iPower SC2500i52 dB
- Longest RuntimeRyobi RYi65228.5h at 50% load
Where to buy
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A-iPower SC2500i
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Ryobi RYi6522
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