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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.

  • A-iPower SC2500i
  • Yamaha EF2800i
  • Model SC2500i
    Model SC2500i

    A-iPower 2,000W Gas Generator

    2000W
    Running
    52 dB
    Noise
    View details
  • Model EF2800i
    Model EF2800i

    Yamaha 2,500W Gas Generator

    2500W
    Running
    65 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
SpecificationA-iPower SC2500iYamaha EF2800i
General
Product type
Generator
Generator
Fuel
Gasoline
Gasoline
InverterYesYes
Parallel capableYesNo
RV readyNoNo
Running watts
2000 W
Winner: Winner: 2500 W
Starting watts
2500 W
Winner: Winner: 2800 W
Noise (lower limit)
Winner: Winner: 52 dB
65 dB
Weight
Winner: Winner: 49.9 lbs
68 lbs
Run time @50% load
Winner: Winner: 6.5 h
Not available
Run time @25% load
9 h
14.7 h
Fuel tank
1.1 gal
2.6 gal
Fuel gaugeYesYes
Approx. dimensions (L × W × H)
21.7 x 14 x 20.9
19.2 x 15.6 x 16.7
Electrical
Voltage (AC)
120
120
Voltage (DC)
12
12
GFCI outletsNoYes
Covered outletsYesNo
Automatic Voltage RegulationYesYes
THD
Not available
2.5 %
Engine
Engine
80 cc Yamaha OHV 4-stroke
Yamaha MZ175 OHV 4-stroke
Alternator
Not available
Not available
Starting system
Recoil
Recoil
Warranty
Warranty
3 years
3 years
Power by fuel
GasolineNot availableNot available
Running watts
2000 W
2500 W
Starting watts
2500 W
2800 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
6.5 h
Not available
Run time @25% load
9 h
14.7 h
Other
Data center
Not available
Not available
Indicators
true
true
Compliance
CARB, EPA, ANSI/PGMA G300-2023
EPA
Security
Not available
Not available
Spark arrestorYesYes
Neutral
Not available
Not available
UPC
850016881755
799530396645
Core / High-priority specs
Running Watts (Gasoline)
2000
2500
Starting Watts (Gasoline)
2500
2800
Runtime @ 50% Load (Gasoline)
6.5
Not available
Runtime @ 25% Load (Gasoline)
9
14.7
AC Outlet Types
1x Duplex 120V 20A (5-20R) 1x 120V 30A (L5-30R)
1x Duplex 120V 20A (5-20R) GFCI1x 120V 30A (L5-30R)
Electrical & power
Frequency
60
60
Engine & construction
Engine Type
Yamaha OHV 4-stroke
OHV 4-stroke
Engine Displacement
80
171
Runtime & fuel system
Runtime @ 25% Load (Gasoline)
9
14.7
Runtime @ 50% Load (Gasoline)
6.5
Not available
Safety & compliance
Overload Protection System
Low oil and overload protection
Not available
Low Oil ProtectionNoYes
Carbon Monoxide MonitoringYesNo
Included equipment
Included Accessories
Oil, funnel, tool kit, RV adapter, battery charging cables, and parallel cables
Not available
Warranty & identification
Commercial Warranty
3
Not available
Additional specs
Summary
The A-iPower SC2500i is a 2000-watt inverter generator built around a Yamaha 80cc OHV 4-stroke engine. This wattage class handles essential household appliances, small power tools, and recreational equipment simultaneously. Think refrigerator plus microwave plus laptop charging at the same time. The 2500-watt peak rating gives it headroom to start high-inrush devices like air compressors or small air conditioning units without stalling. At 49.9 pounds, this unit sits at the grab-and-go threshold where one person can carry it to a campsite, tailgate, or storage shelf without strain. Inverter technology means the output is electronically regulated to stay within 3% voltage variance. This protection matters for laptops, phones, and televisions that can suffer permanent damage from dirty power. The SC2500i runs on standard gasoline, which is available everywhere and costs less per hour than propane alternatives. With a 1.1-gallon tank, the refueling cycle is predictable. At half load you get 6.5 hours before the pump runs dry. At quarter load, 9 hours. For weekend camping or a single-day job site, this eliminates the mid-use refueling hassle.
The Yamaha EF2800i is a lightweight and quiet inverter generator capable of powering a range of devices, from power tools to sensitive electronics, making it suitable for home backup, job sites, and on-the-go use.
  • Most Powerful
    Yamaha EF2800i
    2500W running
  • Quietest
    A-iPower SC2500i
    52 dB
  • Longest Runtime
    A-iPower SC2500i
    6.5h at 50% load
Where to buy
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A-iPower SC2500i
Store links
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Yamaha EF2800i
Store links
No links yet.
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