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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 GXS5000
  • NorthStar e9250s
  • Model GXS5000
    Model GXS5000

    A-iPower 4,000W Gas Generator

    4000W
    Running
    68 dB
    Noise
    View details
  • Model e9250s
    Model e9250s

    NorthStar 7,250W Gas Generator

    7250W
    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 GXS5000NorthStar e9250s
General
Product type
Generator
Generator
Fuel
Gasoline
Gasoline
InverterNoNo
Parallel capableNoNo
RV readyYesNo
Running watts
4000 W
Winner: Winner: 7250 W
Starting watts
5000 W
Winner: Winner: 9250 W
Noise (lower limit)
Winner: Winner: 68 dB
74 dB
Weight
Winner: Winner: 111.6 lbs
277 lbs
Run time @50% load
Not available
Winner: Winner: 10.8 h
Run time @25% load
20 h
Not available
Fuel tank
6.3 gal
8 gal
Fuel gaugeYesYes
Approx. dimensions (L × W × H)
24 x 23.6 x 24
41 x 32 x 29
Electrical
Voltage (AC)
120
120/240V 60 Hz
Voltage (DC)
Not available
Not available
GFCI outletsNoYes
Covered outletsYesYes
Automatic Voltage RegulationYesYes
THD
23 %
<5% %
Engine
Engine
223 cc OHV 4-stroke, cast iron sleeve.
NorthStar e420 OHV 4-stroke
Alternator
Not available
Not available
Starting system
Recoil
Recoil, Electric
Warranty
Warranty
3 years
4 years
Power by fuel
GasolineNot availableNot available
Running watts
4000 W
7250 W
Starting watts
5000 W
9250 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
10.8 h
Run time @25% load
20 h
Not available
Other
Data center
Not available
Not available
Indicators
true
false
Compliance
CARB, EPA, ANSI/PGMA G300-2023
EPA
Security
Not available
Not available
Spark arrestorYesYes
Neutral
Not available
true
UPC
850016881298
840321737359
Core / High-priority specs
Running Watts (Gasoline)
4000
7250
Starting Watts (Gasoline)
5000
9250
Runtime @ 50% Load (Gasoline)
Not available
10.8
Runtime @ 25% Load (Gasoline)
20
Not available
AC Outlet Types
2x Duplex 120V 20A (5-20R); 1x 120V 30A (L5-30R); 1x 120V 30A (TT-30R)
3x Duplex 120V 20A (5-20R) GFCI1x 120V 30A (L5-30R)1x 120/240V 30A (L14-30R)
Electrical & power
Frequency
60
60
Engine & construction
Engine Type
OHV 4-stroke
OHV 4-stroke
Engine Displacement
223
420
Cylinder Sleeve
cast iron sleeve
Not available
Runtime & fuel system
Runtime @ 25% Load (Gasoline)
20
Not available
Runtime @ 50% Load (Gasoline)
Not available
10.8
Safety & compliance
Overload Protection System
Low oil and overload protection, CO monitoring
Low oil and overload protection
Low Oil ProtectionNoYes
Carbon Monoxide MonitoringYesYes
Included equipment
Included Accessories
Oil, funnel, tool kit, and wheel kit.
Funnel, battery, and wheel kit
Warranty & identification
Commercial Warranty
3
4
Additional specs
Summary
The A-iPower GXS5000 is a 4000-watt gasoline generator built for homeowners and RV users who need reliable backup power without excessive noise. With 5000 watts of starting power, it can kick-start larger appliances like air conditioners and well pumps, then sustain 4000 watts of continuous output for essential devices. This wattage class handles a full home backup scenario or powers a job site with moderate tool use, but not heavy industrial equipment or multiple high-draw appliances simultaneously. At 68 decibels, the GXS5000 runs quieter than most generators in its class. The 6.3-gallon fuel tank delivers 20 hours of runtime at 25 percent load, meaning light-duty use like charging devices or running a refrigerator stretches a full tank across an entire day. The recoil start system and included wheel kit make this a grab-and-go option for users who value simplicity over push-button convenience.
The NorthStar e9250s is a commercial-grade, portable generator featuring a 420cc OHV EFI engine, delivering 9,250 surge watts and 7,250 rated watts. It boasts Quiet Armor Technology for reduced noise, an electric start with a built-in battery charger, and a multi-function LCD display for monitoring generator functions.
  • Most Powerful
    NorthStar e9250s
    7250W running
  • Quietest
    A-iPower GXS5000
    68 dB
  • Longest Runtime
    NorthStar e9250s
    10.8h at 50% load
Where to buy
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A-iPower GXS5000
Store links
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NorthStar e9250s
Store links
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