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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 SUA12000E
  • NorthStar e18000s
  • Model SUA12000E
    Model SUA12000E

    A-iPower 9,000W Gas Generator

    9000W
    Running
    78 dB
    Noise
    View details
  • Model e18000s
    Model e18000s

    NorthStar 15,000W Gas Generator

    15000W
    Running
    74 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 SUA12000ENorthStar e18000s
General
Product type
Generator
Generator
Fuel
Gasoline
Gasoline
InverterNoNo
Parallel capableNoNo
RV readyNoNo
Running watts
9000 W
Winner: Winner: 15000 W
Starting watts
12000 W
Winner: Winner: 18000 W
Noise (lower limit)
78 dB
Winner: Winner: 74 dB
Weight
Winner: Winner: 206 lbs
423 lbs
Run time @50% load
Winner: Winner: 9 h
7.9 h
Run time @25% load
Not available—
Not available—
Fuel tank
7 gal
12 gal
Fuel gaugeYesYes
Approx. dimensions (L × W × H)
27.6 x 27 x 26.8
43 x 36 x 35
Electrical
Voltage (AC)
120/240
120/240V 60 Hz
Voltage (DC)
12
Not available—
GFCI outletsYesYes
Covered outletsYesYes
Automatic Voltage RegulationYesYes
THD
Not available—
<5% %
Engine
Engine
A-iPower OHV 4-stroke, cast iron sleeve
824 cc NorthStar e825 OHV 4-stroke
Alternator
Not available—
Not available—
Starting system
Recoil, Electric
Electric
Warranty
Warranty
2 years
4 years
Power by fuel
GasolineNot available—Not available—
Running watts
9000 W
15000 W
Starting watts
12000 W
18000 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
9 h
7.9 h
Run time @25% load
Not available—
Not available—
Other
Data center
Not available—
Not available—
Indicators
true
false
Compliance
EPA
CARB, EPA
Security
Not available—
Not available—
Spark arrestorYesYes
Neutral
Bonded to frame
true
UPC
851217006114
840321748058
Core / High-priority specs
Running Watts (Gasoline)
9000
15000
Starting Watts (Gasoline)
12000
18000
Runtime @ 50% Load (Gasoline)
9
7.9
AC Outlet Types
2x Duplex 120V 20A (5-20R) GFCI; 1x 120/240V 30A (L14-30R); 1x 120/240V 50A (14-50R)
3x Duplex 120V 20A (5-20R) GFCI1x 120V 30A (L5-30R)1x 120/240V 30A (L14-30R)1x 120/240V 60A (14-60R)
Electrical & power
Frequency
60
60
Engine & construction
Engine Type
OHV 4-stroke, cast iron sleeve
OHV 4-stroke
Engine Displacement
459
824
Cylinder Sleeve
cast iron sleeve
Not available—
Runtime & fuel system
Runtime @ 50% Load (Gasoline)
9
7.9
Safety & compliance
Overload Protection System
Low oil and overload protection
Low oil and overload protection
Low Oil ProtectionNoYes
Carbon Monoxide MonitoringNoYes
Included equipment
Mobility Components
Yes
Not available—
Starting Components
Recoil, Electric
Electric starting system
Included Accessories
Oil, tool kit, battery charging cables, battery, and wheel kit
Funnel, battery, and wheel kit
Warranty & identification
Commercial Warranty
2
4
Additional specs
Summary
The A-iPower SUA12000E is a 9000-watt gasoline generator built for job sites and home backup where substantial power matters. At 9000 running watts, it can simultaneously power a central air unit, electric water heater, and multiple household circuits, or run a full complement of construction tools on site. The 12000-watt peak handles the inrush current when motors and compressors start, which prevents the generator from shutting down under load. This is a stationary-class unit. The 206-pound weight and included wheel kit signal that this generator stays in one location per work session rather than moving between rooms or vehicles.
The NorthStar e18000s is a commercial-grade EFI portable generator with electric start, delivering 18,000 surge watts and 15,000 rated watts. It features a NorthStar e825 OHV EFI engine, Quiet Armor Technology for reduced noise, and a heavy-duty steel exoskeleton for durability.
  • Most Powerful
    NorthStar e18000s
    15000W running
  • Quietest
    NorthStar e18000s
    74 dB
  • Longest Runtime
    A-iPower SUA12000E
    9h at 50% load
Where to buy
Prices can change. We update these automatically.
A-iPower SUA12000E
Store links
No links yet.
NorthStar e18000s
Store links
No links yet.
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