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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.

  • Briggs & Stratton 30814 P4500 PowerSmart
  • ECHO EGi-1200
  • Model 30814 P4500 PowerSmart
    Model 30814 P4500 PowerSmart

    Briggs & Stratton 3,700W Gas Generator

    3700W
    Running
    60 dB
    Noise
    View details
  • Model EGi-1200
    Model EGi-1200

    ECHO 1,000W Gas Generator

    1000W
    Running
    64 dB
    Noise
    View details
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).
Generator Specifications Comparison
SpecificationBriggs & Stratton 30814 P4500 PowerSmartECHO EGi-1200
General
Product type
Generator
Generator
Fuel
Gasoline
Gasoline
InverterYesYes
Parallel capableNoYes
RV readyNoNo
Running watts
Winner: Winner: 3700 W
1000 W
Starting watts
Winner: Winner: 4500 W
1200 W
Noise (lower limit)
Winner: Winner: 60 dB
64 dB
Weight
104 lbs
Winner: Winner: 30 lbs
Run time @50% load
Not available—
Winner: Winner: 5.2 h
Run time @25% load
16 h
Not available—
Fuel tank
3.5 gal
0.69 gal
Fuel gaugeYesNo
Approx. dimensions (L × W × H)
24.5 x 17.6 x 20.36
16 x 11 x 16
Electrical
Voltage (AC)
120
120
Voltage (DC)
5
12
GFCI outletsNoNo
Covered outletsYesNo
Automatic Voltage RegulationYesYes
THD
3 %
Not available—
Engine
Engine
Briggs & Stratton OHV 4-stroke 224 cc
60 cc OHV 4-stroke
Alternator
Not available—
Not available—
Starting system
Recoil, Electric, Remote
Recoil
Warranty
Warranty
3 years
3 years
Power by fuel
GasolineNot available—Not available—
Running watts
3700 W
1000 W
Starting watts
4500 W
1200 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—
5.2 h
Run time @25% load
16 h
Not available—
Other
Data center
Not available—
Not available—
Indicators
true
true
Compliance
CARB, EPA
CARB, EPA
Security
Not available—
Not available—
Spark arrestorYesYes
Neutral
Floating
Floating
UPC
11675308148
743184017555
Core / High-priority specs
Running Watts (Gasoline)
3700
1000
Starting Watts (Gasoline)
4500
1200
Runtime @ 50% Load (Gasoline)
Not available—
5.2
Runtime @ 25% Load (Gasoline)
16
Not available—
AC Outlet Types
2x Duplex 120V 20A (5-20R)1x 120V 30A (TT-30R)
1x Duplex 120V 20A (5-20R)
Electrical & power
Frequency
60
60
Engine & construction
Engine Type
Briggs & Stratton OHV 4-stroke
OHV 4-stroke
Engine Displacement
224
60
Engine Oil Type
Not available—
10W-30
Runtime & fuel system
Runtime @ 25% Load (Gasoline)
16
Not available—
Runtime @ 50% Load (Gasoline)
Not available—
5.2
Controls & display
Display Type
Digital
Not available—
Safety & compliance
Overload Protection System
Low oil and overload protection, CO monitoring
Not available—
Low Oil ProtectionYesYes
Carbon Monoxide MonitoringYesNo
Included equipment
Starting Components
Recoil, Electric, Remote
Not available—
Included Accessories
Oil, funnel, key fob, and battery
No
Warranty & identification
Commercial Warranty
3
Not available—
Part Number
30814
Not available—
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 ECHO EGi-1200 is a 1000-watt inverter generator built around a 60cc OHV 4-stroke engine that runs on gasoline. This wattage class powers small appliances, laptops, power tools, and camping equipment without the noise footprint of conventional generators. The inverter technology means the power output stays clean and stable, which protects sensitive electronics like phones and laptops from voltage spikes that can cause permanent damage. At 30 pounds, this unit sits at the lightweight end of the portable generator spectrum, making it genuinely grab-and-go for one person. The 0.69-gallon fuel tank and 5.2-hour runtime at 50% load define a refueling cycle measured in hours, not days, so users planning extended trips need to account for fuel stops or carry extra cans.
  • Most Powerful
    Briggs & Stratton 30814 P4500 PowerSmart
    3700W running
  • Quietest
    Briggs & Stratton 30814 P4500 PowerSmart
    60 dB
  • Longest Runtime
    ECHO EGi-1200
    5.2h at 50% load
Where to buy
Prices can change. We update these automatically.
Briggs & Stratton 30814 P4500 PowerSmart
Store links
No links yet.
ECHO EGi-1200
Store links
No links yet.
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