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- Briggs & Stratton 30814 P4500 PowerSmart
- Energizer eZV3500P
Model 30814 P4500 PowerSmartBriggs & Stratton 3,700W Gas Generator
View details3700WRunning60 dBNoise
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 | Briggs & Stratton 30814 P4500 PowerSmart | Energizer eZV3500P |
|---|---|---|
| General | ||
| Product type | Generator | Generator |
| Fuel | Gasoline | Gasoline |
| Inverter | Yes | Yes |
| Parallel capable | No | Yes |
| RV ready | No | No |
| Running watts | Winner: Winner: 3700 W | 3000 W |
| Starting watts | Winner: Winner: 4500 W | 3500 W |
| Noise (lower limit) | 60 dB | Winner: Winner: 57 dB |
| Weight | 104 lbs | Winner: Winner: 96 lbs |
| Run time @50% load | Not available | Not available |
| Run time @25% load | Winner: Winner: 16 h | 15.5 h |
| Fuel tank | 3.5 gal | 1.95 gal |
| Fuel gauge | Yes | Yes |
| Approx. dimensions (L × W × H) | 24.5 x 17.6 x 20.36 | 22.8 x 16.7 x 17.5 |
| Electrical | ||
| Voltage (AC) | 120 | 120 |
| Voltage (DC) | 5 | 12 |
| GFCI outlets | No | No |
| Covered outlets | Yes | Yes |
| Automatic Voltage Regulation | Yes | Yes |
| THD | 3 % | Not available |
| Engine | ||
| Engine | Briggs & Stratton OHV 4-stroke 224 cc | 212 cc OHV 4-stroke |
| Alternator | Not available | Not available |
| Starting system | Recoil, Electric, Remote | Recoil, Electric, Remote |
| Warranty | ||
| Warranty | 3 years | 3 years |
| Power by fuel | ||
| Gasoline | Not available | Not available |
| Running watts | 3700 W | 3000 W |
| Starting watts | 4500 W | 3500 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 | 16 h | 15.5 h |
| Other | ||
| Data center | Not available | Not available |
| Indicators | true | true |
| Compliance | CARB, EPA | CARB, EPA |
| Security | Not available | Not available |
| Spark arrestor | Yes | Yes |
| Neutral | Floating | Floating |
| UPC | 11675308148 | Not available |
| Core / High-priority specs | ||
| Running Watts (Gasoline) | 3700 | 3000 |
| Starting Watts (Gasoline) | 4500 | 3500 |
| Runtime @ 25% Load (Gasoline) | 16 | 15.5 |
| AC Outlet Types | 2x Duplex 120V 20A (5-20R)1x 120V 30A (TT-30R) | 1x Duplex 120V 20A (5-20R) 1x 120V 30A (L5-30R) |
| Electrical & power | ||
| Frequency | 60 | 60 |
| Engine & construction | ||
| Engine Type | Briggs & Stratton OHV 4-stroke | OHV 4-stroke |
| Engine Displacement | 224 | 212 |
| Runtime & fuel system | ||
| Runtime @ 25% Load (Gasoline) | 16 | 15.5 |
| Controls & display | ||
| Display Type | Digital | Not available |
| Safety & compliance | ||
| Overload Protection System | Low oil and overload protection, CO monitoring | Low oil and overload protection |
| Low Oil Protection | Yes | No |
| Carbon Monoxide Monitoring | Yes | No |
| Included equipment | ||
| Starting Components | Recoil, Electric, Remote | Recoil, Electric, Remote |
| Included Accessories | Oil, funnel, key fob, and battery | Funnel, tool kit, key fob, battery charging cables, and battery |
| Warranty & identification | ||
| Commercial Warranty | 3 | 3 |
| Part Number | 30814 | INVEZV3500PD |
| Additional specs | ||
| Summary | The Briggs & Stratton 30814 P4500 PowerSmart is a 3700-watt inverter generator built for users who need reliable backup power without the noise of traditional models. At 60 decibels, it runs quiet enough for residential neighborhoods and campgrounds, making it suitable for homeowners managing outages, campers extending trips, and outdoor enthusiasts who cannot tolerate generator noise. The 4500-watt peak output handles startup surges for larger appliances like air conditioning units or power tools, while the 3700-watt running capacity sustains continuous operation. With a 3.5-gallon fuel tank and 16-hour runtime at 25% load, users can power essential devices through a full night or longer without refueling. The inverter technology produces only 3% THD, which means laptops, smartphones, and other sensitive electronics charge safely without risk of voltage spikes or damage. | The Energizer eZV3500P is a 3,000-watt inverter generator built for users who need portable power without sacrificing convenience. At 3,000 running watts, this unit can power a refrigerator, microwave, and several power tools simultaneously. The 3,500-watt peak capacity handles the startup surge of air conditioning units and compressors. Gasoline fuel means no special storage concerns and easy refueling at any gas station.
The eZV3500P targets outdoor enthusiasts and homeowners who value flexibility in how they start the generator. Three starting options—recoil, electric, and remote—mean you can start it by hand, press a button on the unit, or trigger it from 100 feet away with the included key fob. The inverter technology protects laptops, phones, and other sensitive electronics from voltage spikes. A 3-year warranty covers defects across the generator's core components. |
- Most PowerfulBriggs & Stratton 30814 P4500 PowerSmart3700W running
- QuietestEnergizer eZV3500P57 dB
- Longest Runtimeh at 50% load
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Briggs & Stratton 30814 P4500 PowerSmart
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