Skip to content

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
  • Aceup Energy AI2500S
  • Model 30814 P4500 PowerSmart
    Model 30814 P4500 PowerSmart

    Briggs & Stratton 3,700W Gas Generator

    3700W
    Running
    60 dB
    Noise
    View details
  • Model AI2500S
    Model AI2500S

    Aceup Energy 1,900W Gas Inverter Generator

    1900W
    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 30814 P4500 PowerSmartAceup Energy AI2500S
General
Product type
Generator
Not available
Fuel
Gasoline
Gasoline
InverterYesYes
Parallel capableNoYes
RV readyNoYes
Running watts
Winner: Winner: 3700 W
1900 W
Starting watts
Winner: Winner: 4500 W
2500 W
Noise (lower limit)
60 dB
Winner: Winner: 58 dB
Weight
104 lbs
Winner: Winner: 44 lbs
Run time @50% load
Not available
Not available
Run time @25% load
Winner: Winner: 16 h
10 h
Fuel tank
3.5 gal
1.32 gal
Fuel gaugeYesNo
Approx. dimensions (L × W × H)
24.5 x 17.6 x 20.36
Not available
Electrical
Voltage (AC)
120
120V
Voltage (DC)
5
12V
GFCI outletsNoNo
Covered outletsYesNo
Automatic Voltage RegulationYesNo
THD
3 %
1.5 %
Engine
Engine
Briggs & Stratton OHV 4-stroke 224 cc
79.8cc 4-Stroke OHV Engine
Alternator
Not available
Not available
Starting system
Recoil, Electric, Remote
Recoil Start
Warranty
Warranty
3 years
2 years
Power by fuel
GasolineNot availableNot available
Running watts
3700 W
1900 W
Starting watts
4500 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
Not available
Not available
Run time @25% load
16 h
10 h
Other
Data center
Not available
Not available
Indicators
true
true
Compliance
CARB, EPA
EPA Compliant
Security
Not available
Not available
Spark arrestorYesNo
Neutral
Floating
Not available
UPC
11675308148
Not available
Core / High-priority specs
Running Watts (Gasoline)
3700
1900
Starting Watts (Gasoline)
4500
2500
Runtime @ 25% Load (Gasoline)
16
10
AC Outlet Types
2x Duplex 120V 20A (5-20R)1x 120V 30A (TT-30R)
One 120V 5-20R 20A Outlet
Electrical & power
Frequency
60
60
Engine & construction
Engine Type
Briggs & Stratton OHV 4-stroke
4-Stroke OHV
Engine Displacement
224
79.8
Runtime & fuel system
Runtime @ 25% Load (Gasoline)
16
10
Controls & display
Display Type
Digital
Intelligent Gauge
Idle Control System
Not available
Eco Mode
Safety & compliance
Overload Protection System
Low oil and overload protection, CO monitoring
Not available
Low Oil ProtectionYesNo
Carbon Monoxide MonitoringYesNo
Included equipment
Starting Components
Recoil, Electric, Remote
Not available
Included Accessories
Oil, funnel, key fob, and battery
Not available
Warranty & identification
Residential Warranty
Not available
2
Commercial Warranty
3
Not available
Part Number
30814
AI2500S
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 Aceup Energy AI2500S is a gasoline-powered inverter generator with a rated wattage of 1900 watts and a peak wattage of 2500 watts.
  • Most Powerful
    Briggs & Stratton 30814 P4500 PowerSmart
    3700W running
  • Quietest
    Aceup Energy AI2500S
    58 dB
  • Longest Runtime
    h at 50% load
Where to buy
Prices can change. We update these automatically.
Briggs & Stratton 30814 P4500 PowerSmart
Store links
No links yet.
Aceup Energy AI2500S
Store links
No links yet.
Disclosure: Some links may be affiliate links. Specs and comparisons are never hidden.