Compare Generators Side-by-Side
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- Champion Power Equipment 100571
- Yamaha EF2800i
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 @25%
h
Running watts by fuel
Shows how output changes across gasoline/propane/natural gas (when available).
| Specification | Champion Power Equipment 100571 | Yamaha EF2800i |
|---|---|---|
| General | ||
| Product type | Generator | Generator |
| Fuel | Gasoline | Gasoline |
| Inverter | Yes | Yes |
| Parallel capable | Yes | No |
| RV ready | No | No |
| Running watts | 2300 W | Winner: Winner: 2500 W |
| Starting watts | Winner: Winner: 3500 W | 2800 W |
| Noise (lower limit) | Winner: Winner: 58 dB | 65 dB |
| Weight | Winner: Winner: 57.8 lbs | 68 lbs |
| Run time @50% load | Not available | Not available |
| Run time @25% load | 10 h | Winner: Winner: 14.7 h |
| Fuel tank | 1.2 gal | 2.6 gal |
| Fuel gauge | No | Yes |
| Approx. dimensions (L × W × H) | 23.8 x 16.4 x 19.4 | 19.2 x 15.6 x 16.7 |
| Electrical | ||
| Voltage (AC) | 120 | 120 |
| Voltage (DC) | 12 | 12 |
| GFCI outlets | No | Yes |
| Covered outlets | Yes | No |
| Automatic Voltage Regulation | Yes | Yes |
| THD | <3% % | 2.5 % |
| Engine | ||
| Engine | 122 cc OHV 4-stroke | Yamaha MZ175 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 | 2300 W | 2500 W |
| Starting watts | 3500 W | 2800 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 | Not available |
| Run time @25% load | 10 h | 14.7 h |
| Other | ||
| Data center | Not available | Not available |
| Indicators | true | true |
| Compliance | EPA, ANSI/PGMA G300-2023 | EPA |
| Security | Not available | Not available |
| Spark arrestor | Yes | Yes |
| Neutral | Floating | Not available |
| UPC | 817198025674 | 799530396645 |
| Core / High-priority specs | ||
| Running Watts (Gasoline) | 2300 | 2500 |
| Starting Watts (Gasoline) | 3500 | 2800 |
| Runtime @ 25% Load (Gasoline) | 10 | 14.7 |
| AC Outlet Types | 1x Duplex 120V 20A (5-20R) | 1x Duplex 120V 20A (5-20R) GFCI1x 120V 30A (L5-30R) |
| Electrical & power | ||
| Frequency | 60 | 60 |
| Engine & construction | ||
| Engine Type | OHV 4-stroke | OHV 4-stroke |
| Engine Displacement | 122 | 171 |
| Engine Oil Type | 10W-30 | Not available |
| Runtime & fuel system | ||
| Runtime @ 25% Load (Gasoline) | 10 | 14.7 |
| Safety & compliance | ||
| Overload Protection System | Low oil and overload protection, CO monitoring | Not available |
| Low Oil Protection | Yes | Yes |
| Carbon Monoxide Monitoring | Yes | No |
| Included equipment | ||
| Included Accessories | Oil, funnel, tool kit, and dual port USB adapter | Not available |
| Warranty & identification | ||
| Commercial Warranty | 3 | Not available |
| Additional specs | ||
| Summary | The Champion Power Equipment 3500-Watt Inverter Generator with CO Shield® is ultra-quiet and ideal for camping, tailgating, powering items around the RV, or providing backup for your essentials. | The Yamaha EF2800i is a lightweight and quiet inverter generator capable of powering a range of devices, from power tools to sensitive electronics, making it suitable for home backup, job sites, and on-the-go use. |
- Most PowerfulYamaha EF2800i2500W running
- QuietestChampion Power Equipment 10057158 dB
- Longest Runtimeh at 50% load
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Champion Power Equipment 100571
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Yamaha EF2800i
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