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Select up to 4 generators to compare specs, power output, noise levels, runtime and more. Your compare URL is shareable.

  • Briggs & Stratton 30758 P2400 PowerSmart
  • Yamaha EF4500iSE
  • Model 30758 P2400 PowerSmart
    Model 30758 P2400 PowerSmart

    Briggs & Stratton 1,800W Gas Generator

    1800W
    Running
    62 dB
    Noise
    View details
  • Model EF4500iSE
    Model EF4500iSE

    Yamaha 4,000W Gas Generator

    4000W
    Running
    58 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 @25%
h
Running watts by fuel
Shows how output changes across gasoline/propane/natural gas (when available).
Generator Specifications Comparison
SpecificationBriggs & Stratton 30758 P2400 PowerSmartYamaha EF4500iSE
General
Product type
Generator
Generator
Fuel
Gasoline
Gasoline
InverterYesYes
Parallel capableYesNo
RV readyNoNo
Running watts
1800 W
Winner: Winner: 4000 W
Starting watts
2400 W
Winner: Winner: 4500 W
Noise (lower limit)
62 dB
Winner: Winner: 58 dB
Weight
Winner: Winner: 51 lbs
209 lbs
Run time @50% load
Not available
Not available
Run time @25% load
8 h
Winner: Winner: 15.2 h
Fuel tank
1 gal
4.5 gal
Fuel gaugeNoYes
Approx. dimensions (L × W × H)
20 x 12 x 17
30.7 x 24.3 x 27.2
Electrical
Voltage (AC)
120
120
Voltage (DC)
5
Not available
GFCI outletsNoNo
Covered outletsYesNo
Automatic Voltage RegulationNoYes
THD
< 3% %
3 %
Engine
Engine
79 cc OHV 4-stroke
Yamaha MZ360 OHV 4-stroke
Alternator
Not available
Not available
Starting system
Recoil
Electric
Warranty
Warranty
3 years
3 years
Power by fuel
GasolineNot availableNot available
Running watts
Not available
4000 W
Starting watts
2400 W
4500 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
8 h
15.2 h
Other
Data center
Not available
Not available
Indicators
true
true
Compliance
CARB, EPA, ANSI/PGMA G300-2023
CARB, EPA
Security
Not available
Not available
Spark arrestorYesYes
Neutral
Floating
Floating
UPC
11675307585
765053833196
Core / High-priority specs
Running Watts (Gasoline)
Not available
4000
Starting Watts (Gasoline)
2400
4500
Runtime @ 25% Load (Gasoline)
8
15.2
AC Outlet Types
1x Duplex 120V 20A (5-20R)
1x Duplex 120V 20A (5-20R)1x 120V 30A (L5-30R)
Electrical & power
Frequency
60
60
Engine & construction
Engine Type
OHV 4-stroke
OHV 4-stroke
Engine Displacement
79
357
Runtime & fuel system
Runtime @ 25% Load (Gasoline)
8
15.2
Safety & compliance
Overload Protection System
Low oil and overload protection
Low oil and overload protection, CO monitoring
Low Oil ProtectionYesYes
Carbon Monoxide MonitoringYesYes
Included equipment
Included Accessories
Oil
Battery
Warranty & identification
Part Number
30758
EF45ISEZ
Additional specs
Summary
The Briggs & Stratton 30758 P2400 PowerSmart is an 1800-watt inverter generator built for users who need portable, clean power without the weight penalty. At 51 pounds, this unit sits at the intersection of serious capacity and genuine portability. It runs household essentials like refrigerators, power tools, and laptops simultaneously, but cannot power an entire home or heavy-duty job site equipment. The 79 cc OHV engine produces 2400 starting watts to handle motor inrush, then settles to 1800 running watts for sustained operation. This inverter's sub-3% THD output protects sensitive electronics from voltage spikes that damage laptops, phones, and medical devices. The gasoline fuel type means refueling at any gas station, and the 1-gallon tank with 8-hour runtime at 25% load creates a predictable refueling cycle for day-long use. Three-year warranty coverage backs the entire package, making this a low-risk entry point for homeowners, campers, and emergency preparedness planners.
The Yamaha EF4500iSE is a 4500-watt inverter generator designed for maximum efficiency and minimal noise, suitable for emergency backup, recreational use, and DIY projects.
  • Most Powerful
    Yamaha EF4500iSE
    4000W running
  • Quietest
    Yamaha EF4500iSE
    58 dB
  • Longest Runtime
    h at 50% load
Where to buy
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Briggs & Stratton 30758 P2400 PowerSmart
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Yamaha EF4500iSE
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