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Champion 201502 vs A-iPower GXS5000

Champion 201502 vs A-iPower GXS5000

Comparing the Champion 201502 (3650W) and A-iPower GXS5000 (4000W) portable generators. See which fits your power needs, runtime goals, and budget.

  • A-iPower GXS5000
  • Champion Power Equipment 201502

Comparison Overview

The A-iPower GXS5000 delivers more power across the board, with 4000 running watts and 5000 starting watts compared to the Champion 201502's 3650 running watts and 4550 starting watts. That extra 350 running watts may not sound like much on paper, but it can be the difference between comfortably running a window AC unit alongside other appliances or tripping the overload protection. Both generators produce the same 68 dB noise level, so neither has an advantage in terms of neighborhood friendliness.

The Champion 201502 scores slightly higher overall at 5.85 versus the A-iPower's 5.60, which suggests it may edge ahead in areas like build quality, outlet selection, or ease of use. The Champion also offers a solid 14 hours of runtime at 50% load, giving you a meaningful benchmark for moderate usage. The A-iPower lists 20 hours at 25% load, which is a lighter draw scenario, making a direct runtime comparison tricky. Both units carry a 3-year warranty and run on gasoline.

Weight is close but worth noting. The A-iPower GXS5000 comes in at 111.6 lbs, roughly 6 pounds lighter than the Champion's 117.7 lbs. If you need maximum wattage in a slightly more portable package, the A-iPower has a small advantage. If you value the Champion brand's reputation and potentially better overall refinement, the 201502 is a strong contender.

Key takeaways

  • A-iPower GXS5000 provides 4000 running watts, 350 more than the Champion 201502
  • Both generators produce 68 dB of noise and carry a 3-year warranty
  • Champion 201502 scores 5.85 overall compared to the A-iPower's 5.60
  • A-iPower GXS5000 weighs 111.6 lbs, about 6 pounds lighter than the Champion
  • Champion 201502 runs 14 hours at 50% load for reliable overnight backup
  • Both are conventional generators, not inverters, so sensitive electronics need protection

Best use cases

Choose the Champion 201502 if you want a well-rounded portable generator from a brand known for accessible customer support and wide parts availability. Champion has built a strong reputation in the consumer generator space, and the 201502 delivers reliable mid-range power at 3650 running watts. It is a solid pick for home backup during moderate outages where you need to keep a refrigerator, some lights, a phone charger, and maybe a fan running simultaneously. The 14-hour runtime at half load means you can get through a full night without refueling, which is a real convenience during storm season. It is also a reasonable choice for tailgating or outdoor events where you do not need to power heavy-draw tools.

Choose the A-iPower GXS5000 if your power demands are a bit higher and you want more headroom. With 4000 running watts and 5000 starting watts, this generator can handle a small window air conditioner, a sump pump startup, or a few power tools on a job site more comfortably than the Champion. The 20-hour runtime at 25% load suggests good fuel efficiency when you are running lighter loads, like keeping a few essentials going overnight during an extended outage. At about 6 pounds lighter, it is also marginally easier to move around, though both generators are heavy enough that you will want a wheel kit if one is available.

Keep in mind that neither of these is an inverter generator, so they are not ideal for powering sensitive electronics like laptops or medical devices without a separate surge protector or power conditioner. Both are conventional open-frame generators best suited for general household appliances, tools, and outdoor use where clean power is not critical.

Verdict & recommendation

If your priority is having extra wattage to handle higher-draw appliances or tools, the A-iPower GXS5000's 4000 running watts give you more breathing room. If you lean toward a brand with a stronger track record in consumer support and slightly better overall scoring, the Champion 201502 is a dependable choice that covers most moderate power needs. Both generators share the same noise level, warranty length, and fuel type, so the decision really comes down to whether you need that extra 350 watts of continuous power or prefer the refinements that contribute to the Champion's higher overall score.

For most homeowners looking at occasional backup power, either unit will get the job done. Pick the one that best matches your highest-draw appliance and your comfort level with the brand.

Last updated March 29, 2026

  • Model GXS5000
    Model GXS5000

    A-iPower 4,000W Gas Generator

    4000W
    Running
    68 dB
    Noise
    View details
  • Model 201502
    Model 201502

    Champion Power Equipment 3,650W Gas Generator

    3650W
    Running
    68 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 GXS5000Champion Power Equipment 201502
General
Product type
Generator
Generator
Fuel
Gasoline
Gasoline
InverterNoNo
Parallel capableNoNo
RV readyYesYes
Running watts
Winner: Winner: 4000 W
3650 W
Starting watts
Winner: Winner: 5000 W
4550 W
Noise (lower limit)
Winner: Winner: 68 dB
Winner: Winner: 68 dB
Weight
Winner: Winner: 111.6 lbs
117.7 lbs
Run time @50% load
Not available
Winner: Winner: 14 h
Run time @25% load
20 h
Not available
Fuel tank
6.3 gal
4.7 gal
Fuel gaugeYesYes
Approx. dimensions (L × W × H)
24 x 23.6 x 24
24.4 x 23.9 x 22.5
Electrical
Voltage (AC)
120
120
Voltage (DC)
Not available
Not available
GFCI outletsNoNo
Covered outletsYesYes
Automatic Voltage RegulationYesYes
THD
23 %
Not available
Engine
Engine
223 cc OHV 4-stroke, cast iron sleeve.
224 cc OHV 4-stroke
Alternator
Not available
Not available
Starting system
Recoil
Recoil, Electric, Remote
Warranty
Warranty
3 years
3 years
Power by fuel
GasolineNot availableNot available
Running watts
4000 W
3650 W
Starting watts
5000 W
4550 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
14 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, ANSI/PGMA G300-2023
Security
Not available
Not available
Spark arrestorYesYes
Neutral
Not available
Floating
UPC
850016881298
817198028514
Core / High-priority specs
Running Watts (Gasoline)
4000
3650
Starting Watts (Gasoline)
5000
4550
Runtime @ 50% Load (Gasoline)
Not available
14
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)
1x Duplex 120V 20A (5-20R); 1x 120V 30A (TT-30R); 1x 120V 30A (L5-30R)
Electrical & power
Frequency
60
60
Engine & construction
Engine Type
OHV 4-stroke
OHV 4-stroke
Engine Displacement
223
224
Cylinder Sleeve
cast iron sleeve
Not available
Engine Oil Type
Not available
10W-30
Runtime & fuel system
Runtime @ 25% Load (Gasoline)
20
Not available
Runtime @ 50% Load (Gasoline)
Not available
14
Safety & compliance
Overload Protection System
Low oil and overload protection, CO monitoring
Low oil, overload and Volt Guard surge protection, CO monitoring
Low Oil ProtectionNoYes
Carbon Monoxide MonitoringYesYes
Included equipment
Included Accessories
Oil, funnel, tool kit, and wheel kit.
Oil, funnel, key fob, battery, and wheel kit
Warranty & identification
Commercial Warranty
3
Not available
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 Champion 3650W Wireless Start Generator with CO Shield® offers 4550 starting watts and 3650 running watts, featuring a wireless remote start, CO Shield® carbon monoxide auto shutoff system, and a 224cc Champion engine with electric start, making it ideal for RVs, home backup, or projects.
  • Most Powerful
    A-iPower GXS5000
    4000W running
  • Quietest
    A-iPower GXS5000
    68 dB
  • Longest Runtime
    Champion Power Equipment 201502
    14h at 50% load
Where to buy
Prices can change. We update these automatically.
A-iPower GXS5000
Store links
No links yet.
Champion Power Equipment 201502
Store links
No links yet.
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