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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 SC2000i
  • Cummins Onan P5000iDF EFI
  • Model SC2000i
    Model SC2000i

    A-iPower 1,600W Gas Generator

    1600W
    Running
    58 dB
    Noise
    View details
  • Model Onan P5000iDF EFI
    Model Onan P5000iDF EFI

    Cummins 3,900W Dual-Fuel Generator

    3900W
    Running
    52 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 SC2000iCummins Onan P5000iDF EFI
General
Product type
Generator
Generator
Fuel
Gasoline
Dual-Fuel
InverterYesYes
Parallel capableYesYes
RV readyNoYes
Running watts
1600 W
Winner: Winner: 3900 W
Starting watts
2000 W
Winner: Winner: 5000 W
Noise (lower limit)
58 dB
Winner: Winner: 52 dB
Weight
Winner: Winner: 46 lbs
108 lbs
Run time @50% load
7 h
Winner: Winner: 13 h
Run time @25% load
10 h
16.8 h
Fuel tank
1.1 gal
3.4 gal
Fuel gaugeYesYes
Approx. dimensions (L × W × H)
21 x 12.5 x 19
25.1 x 18.1 x 21.2
Electrical
Voltage (AC)
120
120
Voltage (DC)
12
5
GFCI outletsNoNo
Covered outletsNoYes
Automatic Voltage RegulationYesYes
THD
3 %
3 %
Engine
Engine
Yamaha OHV 4-stroke, 79 cc
224 cc OHV 4-stroke
Alternator
Not available
Not available
Starting system
Recoil
Recoil, Electric, Remote
Warranty
Warranty
2 years
3 years
Power by fuel
GasolineNot availableNot available
Running watts
1600 W
3900 W
Starting watts
2000 W
5000 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
7 h
13 h
Run time @25% load
10 h
16.8 h
PropaneNot availableNot available
Running watts
Not available
3500 W
Starting watts
Not available
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
Not available
20 h
Other
Data center
Not available
Not available
Indicators
true
true
Compliance
CARB, EPA
CARB, EPA, ANSI/PGMA G300-2023
Security
Not available
Not available
Spark arrestorYesYes
Neutral
true
Floating
UPC
851217006008
Not available
Core / High-priority specs
Running Watts (Gasoline)
1600
3900
Running Watts (Propane)
Not available
3500
Starting Watts (Gasoline)
2000
5000
Starting Watts (Propane)
Not available
4500
Rated Watts (Gasoline)
1600
Not available
Peak Watts (Gasoline)
2000
Not available
Runtime @ 50% Load (Gasoline)
7
13
Runtime @ 25% Load (Gasoline)
10
16.8
Runtime @ 25% Load (Propane)
Not available
20
AC Outlet Types
1x 120V 20A (5-20R); 1x 120V 30A (L5-30R)
1x Duplex 120V 20A (5-20R) 1x 120V 30A (TT-30R)
Electrical & power
Frequency
60
60
Engine & construction
Engine Type
OHV 4-stroke
224 cc OHV 4-stroke
Engine Displacement
79
224
Cylinder Sleeve
Cast iron
Not available
Runtime & fuel system
Runtime @ 25% Load (Gasoline)
10
16.8
Runtime @ 50% Load (Gasoline)
7
13
Safety & compliance
Overload Protection System
Not available
Low oil and overload protection; CO monitoring
Low Oil ProtectionNoYes
Carbon Monoxide MonitoringNoYes
Included equipment
Included Accessories
Funnel, dual port USB adapter, RV adapter, and parallel cables
Not available
Warranty & identification
Residential Warranty
2
Not available
Commercial Warranty
2
3
Part Number
SC2000iV
A075C500
Additional specs
Summary
The A-iPower SC2000i is a 1600-watt inverter generator built around a compact 79cc Yamaha engine. This wattage class handles essential household appliances, power tools, and sensitive electronics without breaking a sweat. The unit runs gasoline and delivers 2000 watts of peak power for startup surges, then settles into 1600 running watts for continuous operation. Because the inverter technology holds THD at just 3 percent, laptops, smartphones, and televisions stay protected from electrical noise that would degrade their components or trigger surge protectors. The 1.1-gallon fuel tank stretches to 10 hours at quarter load, meaning a full tank covers a typical day of camping or backup power without a refuel cycle. At 46 pounds, this generator bridges the gap between true portability and real power output. It is not a toy, but it is not a burden either.
The Cummins Onan P5000iDF EFI is a 3900-watt dual-fuel inverter generator built for RV owners, campers, and homeowners who need reliable portable power without excessive noise. Its 5000-watt peak capacity handles startup demands of air conditioners, power tools, and multiple appliances simultaneously. The dual-fuel design means you can run gasoline when convenient and switch to propane for longer storage life or when gasoline is unavailable. At 52 dBA, this unit operates as quietly as normal conversation, making it suitable for campgrounds and residential neighborhoods where noise restrictions apply. The inverter technology produces clean power with only 3 percent THD, protecting laptops, smartphones, and sensitive electronics from voltage spikes that damage circuits.
  • Most Powerful
    Cummins Onan P5000iDF EFI
    3900W running
  • Quietest
    Cummins Onan P5000iDF EFI
    52 dB
  • Longest Runtime
    Cummins Onan P5000iDF EFI
    13h at 50% load
Where to buy
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A-iPower SC2000i
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Cummins Onan P5000iDF EFI
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