Skip to content

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 GXS5000D
  • Aceup Energy AI4000s
  • Model GXS5000D
    Model GXS5000D

    A-iPower 4,000W Dual-Fuel Generator

    4000W
    Running
    68 dB
    Noise
    View details
  • Model AI4000s
    Model AI4000s

    Aceup Energy 3,200W Inverter Generator

    3200W
    Running
    55 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 GXS5000DAceup Energy AI4000s
General
Product type
Generator
Not available
Fuel
Dual-Fuel
Not available
InverterNoYes
Parallel capableNoYes
RV readyNoNo
Running watts
Winner: Winner: 4000 W
3200 W
Starting watts
Winner: Winner: 5000 W
4000 W
Noise (lower limit)
68 dB
Winner: Winner: 55 dB
Weight
Winner: Winner: 114.6 lbs
Not available
Run time @50% load
Not available
Winner: Winner: 8 h
Run time @25% load
20 h
Not available
Fuel tank
6.3 gal
1.32 gal
Fuel gaugeYesNo
Approx. dimensions (L × W × H)
24 x 23.6 x 24
Not available
Electrical
Voltage (AC)
120/240
120V
Voltage (DC)
Not available
12V
GFCI outletsNoNo
Covered outletsYesNo
Automatic Voltage RegulationYesNo
THD
Not available
Not available
Engine
Engine
223 cc OHV 4-stroke, cast iron sleeve
4-stroke OHV engine
Alternator
Not available
Not available
Starting system
Recoil
Not available
Warranty
Warranty
3 years
2 years
Power by fuel
GasolineNot availableNot available
Running watts
4000 W
3200 W
Starting watts
5000 W
4000 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
20 h
Not available
PropaneNot availableNot available
Running watts
3600 W
Not available
Starting watts
4500 W
Not available
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
11 h
Not available
Other
Data center
Digital Data Center
Not available
Indicators
true
true
Compliance
CARB, EPA, ANSI/PGMA G300-2023
EPA compliant
Security
Not available
Not available
Spark arrestorYesNo
Neutral
Floating
Not available
UPC
850016881311
Not available
Core / High-priority specs
Running Watts (Gasoline)
4000
3200
Running Watts (Propane)
3600
Not available
Starting Watts (Gasoline)
5000
4000
Starting Watts (Propane)
4500
Not available
Rated Watts (Gasoline)
4000
Not available
Rated Watts (Propane)
3600
Not available
Peak Watts (Gasoline)
5000
Not available
Peak Watts (Propane)
4500
Not available
Runtime @ 25% Load (Gasoline)
20
Not available
Runtime @ 25% Load (Propane)
11
Not available
AC Outlet Types
2x Duplex 120V 20A (5-20R); 1x 120V 30A (L5-30R); 1x 120/240V 30A (L14-30R)
One 20A outlet, one L5-30R Twist-Lock receptacle
Electrical & power
Frequency
60
60
Engine & construction
Engine Type
OHV 4-stroke, cast iron sleeve
4-stroke OHV engine
Engine Displacement
223
149
Cylinder Sleeve
cast iron sleeve
Not available
Runtime & fuel system
Runtime @ 25% Load (Gasoline)
20
Not available
Controls & display
Display Type
Not available
Intelligent gauge
Idle Control System
Not available
Economic mode to save fuel
Safety & compliance
Overload Protection System
Low oil and overload protection
Not available
Low Oil ProtectionYesNo
Carbon Monoxide MonitoringYesNo
Included equipment
Mobility Components
Folding handle and wheels
Not available
Starting Components
Not available
Recoil start
Included Accessories
Oil, funnel, tool kit, propane hose, RV adapter, and wheel kit
Oil funnel * 2; A bottle of Oil; Spark plug wrench
Warranty & identification
Residential Warranty
Not available
2
Commercial Warranty
3
2
Part Number
Not available
AI4000s
Additional specs
Summary
The A-iPower GXS5000D is a 4,000-watt dual-fuel portable generator built around a 223cc OHV 4-stroke engine with cast iron sleeves. On gasoline, it delivers 5,000 starting watts and 4,000 running watts. On propane, output drops to 4,500 starting watts and 3,600 running watts. This power level handles mid-range job site demands: circular saws, air compressors, multiple power tools running simultaneously, or a household refrigerator plus several circuits during an outage. The dual-fuel design means users can switch between gasoline and propane based on availability, storage preference, or runtime needs. Compliance with CARB and EPA standards confirms emissions control without sacrificing performance. The 6.3-gallon fuel tank stretches runtime significantly at light loads. On gasoline at 25 percent load, users get 20 hours of operation before refueling. This extended runtime makes the GXS5000D practical for all-day job sites or overnight emergency backup without constant attention. Propane runtime at the same load reaches 11 hours, a meaningful difference for users who prioritize fuel storage or longer shelf life.
The Aceup Energy AI4000s is a 3200-watt rated generator that operates on fuel and features inverter technology, making it suitable for various power needs.
  • Most Powerful
    A-iPower GXS5000D
    4000W running
  • Quietest
    Aceup Energy AI4000s
    55 dB
  • Longest Runtime
    Aceup Energy AI4000s
    8h at 50% load
Where to buy
Prices can change. We update these automatically.
A-iPower GXS5000D
Store links
No links yet.
Aceup Energy AI4000s
Store links
No links yet.
Disclosure: Some links may be affiliate links. Specs and comparisons are never hidden.