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| Specification | Briggs & Stratton 30761 Q6500 QuietPower | Powerhorse 2500i |
|---|---|---|
| General | ||
| Product type | Generator | Generator |
| Fuel | Gasoline | Gasoline |
| Inverter | Yes | Yes |
| Parallel capable | No | Yes |
| RV ready | No | No |
| Running watts | Winner: Winner: 5000 W | 1800 W |
| Starting watts | Winner: Winner: 6500 W | 2500 W |
| Noise (lower limit) | 66 dB | Winner: Winner: 62 dB |
| Weight | 139 lbs | Winner: Winner: 48.3 lbs |
| Run time @50% load | Winner: Winner: 10 h | 9.5 h |
| Run time @25% load | 14 h | 10.5 h |
| Fuel tank | 5 gal | 1.2 gal |
| Fuel gauge | Yes | No |
| Approx. dimensions (L × W × H) | 24.8 x 21.2 x 21.5 | 20.4 x 12.5 x 18.3 |
| Electrical | ||
| Voltage (AC) | 120/240V 60 Hz | 120 |
| Voltage (DC) | 5V | Not available |
| GFCI outlets | Yes | No |
| Covered outlets | Yes | Yes |
| Automatic Voltage Regulation | Yes | Yes |
| THD | <3% % | 3 % |
| Engine | ||
| Engine | Briggs & Stratton OHV 4-stroke 306 cc | 80 cc OHV 4-stroke |
| Alternator | Not available | Not available |
| Starting system | Recoil | Recoil |
| Warranty | ||
| Warranty | 2 years | 2 years |
| Power by fuel | ||
| Gasoline | Not available | Not available |
| Running watts | 5000 W | Not available |
| Starting watts | 6500 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 | 10 h | 9.5 h |
| Run time @25% load | 14 h | 10.5 h |
| Other | ||
| Data center | Not available | Not available |
| Indicators | true | true |
| Compliance | EPA, ANSI/PGMA G300-2023 | EPA, ANSI/PGMA G300-2023 |
| Security | Not available | Not available |
| Spark arrestor | Yes | Yes |
| Neutral | Bonded to frame | Floating |
| UPC | 11675307615 | 840321763969 |
| Core / High-priority specs | ||
| Running Watts (Gasoline) | 5000 | Not available |
| Starting Watts (Gasoline) | 6500 | 2500 |
| Runtime @ 50% Load (Gasoline) | 10 | 9.5 |
| Runtime @ 25% Load (Gasoline) | 14 | 10.5 |
| AC Outlet Types | 2x Duplex 120V 20A (5-20R); 1x 120/240V 30A (L14-30R) | 1x Duplex 120V 20A (5-20R); 1x 120V 30A (L5-30R) |
| Electrical & power | ||
| Frequency | 60 | 60 |
| Engine & construction | ||
| Engine Type | OHV 4-stroke | 80 cc OHV 4-stroke |
| Engine Displacement | 306 | 80 |
| Runtime & fuel system | ||
| Runtime @ 25% Load (Gasoline) | 14 | 10.5 |
| Runtime @ 50% Load (Gasoline) | 10 | 9.5 |
| Safety & compliance | ||
| Overload Protection System | Low oil and overload protection, CO monitoring | Low oil and overload protection, CO monitoring |
| Low Oil Protection | Yes | Yes |
| Carbon Monoxide Monitoring | Yes | Yes |
| Included equipment | ||
| Starting Components | Oil and funnel | Not available |
| Included Accessories | Oil and funnel | Funnel and tool kit |
| Warranty & identification | ||
| Commercial Warranty | 2 | 2 |
| Part Number | 30761 | Not available |
| Additional specs | ||
| Summary | The Briggs & Stratton 30761 Q6500 QuietPower is a 5,000-watt inverter generator built for homeowners and outdoor users who need extended runtime without excessive noise. With 6,500 peak watts, this unit can start larger appliances like refrigerators and air conditioning units, then sustain 5,000 watts of continuous power for essential household devices, tools, and camping equipment. The inverter technology keeps total harmonic distortion below 3%, meaning laptops, phones, and televisions stay protected from power surges that would damage their circuits.
At 66 decibels, the Q6500 operates quietly enough for residential neighborhoods and campgrounds where noise restrictions matter. The 5-gallon fuel tank stretches to 14 hours of runtime at 25% load, reducing refueling interruptions during extended outages or weekend trips. This combination positions the unit as a middle-ground option: more power than portable inverters, quieter than traditional open-frame generators, and practical for users who prioritize both output and operational peace. | The Powerhorse 2500i is a portable inverter generator delivering 2,500 surge watts and 1,800 rated watts, featuring a quiet 52dB operation, CO shutdown function, and parallel-ready design for increased power needs. |