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A-iPower SUA4300iD vs Champion Power Equipment 201273

A-iPower SUA4300iD vs Champion Power Equipment 201273

Compare two dual-fuel inverter generators: A-iPower is lighter at 54.8 lb, Champion runs longer at 20 hrs and starts bigger loads at 5500W.

  • A-iPower SUA4300iD
  • Champion Power Equipment 201273

Comparison Overview

The biggest real-world difference is portability versus long-run capacity. The A-iPower SUA4300iD is much easier to move at 54.8 lb, while the Champion 201273 is a heavier, longer-running unit at 121.5 lb with a much longer 25% load runtime of 20 hours.

On power, the Champion has a clear edge for starting demanding appliances, delivering 5500 starting watts and 4000 running watts, compared with the A-iPower’s 4300 starting watts and 3450 running watts. That extra surge headroom can matter for things like well pumps, larger RV air conditioners, or refrigerators cycling on during an outage.

Both are dual-fuel inverter generators, so they are designed for cleaner power for electronics and the flexibility to run on gasoline or propane. Noise is close, rated at 62 dB for the A-iPower and 61 dB for the Champion, so neither is a standout for ultra-quiet camping.

If you want a lighter dual-fuel inverter for occasional backup or RV trips, the A-iPower fits better, while the Champion suits buyers prioritizing longer runtime and higher starting power.

Key takeaways

  • A-iPower SUA4300iD weighs 54.8 lb, far easier for one-person carrying.
  • Champion 201273 delivers 5500 starting watts and 4000 running watts for bigger surges.
  • Champion 201273 runs up to 20 hours at 25% load, great for overnight outages.
  • A-iPower SUA4300iD runs 7.5 hours at 25% load, better for shorter sessions.
  • Both are dual-fuel inverter generators with similar noise, 61 to 62 dB.
  • Both include a 3-year warranty for comparable long-term coverage.

Best use cases

Choose the A-iPower SUA4300iD if you care most about a generator you will actually take with you. At 54.8 lb, it is far more manageable for solo loading into a truck, moving around a campsite, or storing in a garage without needing a second person. Its 3450 running watts and 4300 starting watts are a practical fit for lighter home backup (fridge, lights, router, fans) or RV use where you are managing loads rather than trying to start everything at once. With a 7.5 hour runtime at 25% load, it is better for shorter stints or daytime use, and you may plan on refueling more often during extended outages.

Choose the Champion Power Equipment 201273 if your priority is running longer between refuels and handling bigger startup surges. It delivers 4000 running watts and 5500 starting watts, which is helpful when motors kick on, like a sump pump, well pump, or a larger air conditioner. The 20 hour runtime at 25% load is a major advantage for overnight coverage or multi-day outages where you want fewer interruptions. The tradeoff is weight: at 121.5 lb, it is more of a roll-it-into-place generator than a lift-and-go option, and it is less convenient for frequent camping moves.

Both are inverter, dual-fuel models with similar noise ratings (61 to 62 dB) and the same 3-year warranty, so the decision usually comes down to whether you value portability and compact handling, or longer runtime and higher starting power.

Verdict & recommendation

If your priority is easy transport and simpler storage, the A-iPower SUA4300iD is the more practical choice because it weighs 54.8 lb while still providing 4300 starting watts for common household and RV loads.

If your priority is fewer refueling stops and more headroom for tough startups, the Champion 201273 makes more sense with 5500 starting watts, 4000 running watts, and a 20 hour runtime at 25% load, as long as you are comfortable with its 121.5 lb weight.

Both give you dual-fuel flexibility, inverter-safe power for electronics, and a 3-year warranty, so the best pick is the one that matches how often you move it versus how long and how hard you need it to run.

Last updated March 9, 2026

  • Model SUA4300iD
    Model SUA4300iD

    A-iPower 3,450W Dual-Fuel Generator

    3450W
    Running
    62 dB
    Noise
    View details
  • Model 201273
    Model 201273

    Champion Power Equipment 4,000W Dual-Fuel Generator

    4000W
    Running
    61 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 @25%
h
Running watts by fuel
Shows how output changes across gasoline/propane/natural gas (when available).
Generator Specifications Comparison
SpecificationA-iPower SUA4300iDChampion Power Equipment 201273
General
Product type
Generator
Generator
Fuel
Dual-Fuel
Dual-Fuel
InverterYesYes
Parallel capableYesYes
RV readyNoYes
Running watts
3450 W
Winner: Winner: 4000 W
Starting watts
4300 W
Winner: Winner: 5500 W
Noise (lower limit)
62 dB
Winner: Winner: 61 dB
Weight
Winner: Winner: 54.8 lbs
121.5 lbs
Run time @50% load
Not available
Not available
Run time @25% load
7.5 h
Winner: Winner: 20 h
Fuel tank
1.6 gal
3.7 gal
Fuel gaugeYesNo
Approx. dimensions (L × W × H)
22.2 x 14.4 x 20.3
24.6 x 19 x 20.9
Electrical
Voltage (AC)
120
120
Voltage (DC)
12
12
GFCI outletsNoNo
Covered outletsYesYes
Automatic Voltage RegulationYesYes
THD
Not available
3 %
Engine
Engine
149 cc OHV 4-stroke
224 cc OHV 4-stroke
Alternator
Not available
Not available
Starting system
Recoil
Recoil, Electric
Warranty
Warranty
3 years
3 years
Power by fuel
GasolineNot availableNot available
Running watts
3450 W
4000 W
Starting watts
4300 W
5500 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
7.5 h
20 h
PropaneNot availableNot available
Running watts
3100 W
3600 W
Starting watts
3900 W
5500 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
11 h
15 h
Other
Data center
Not available
Not available
Indicators
true
true
Compliance
CARB, EPA, ANSI/PGMA G300-2023
EPA, ANSI/PGMA G300-2023
Security
Not available
Not available
Spark arrestorYesYes
Neutral
true
Floating
UPC
850016881649
817198026626
Core / High-priority specs
Running Watts (Gasoline)
3450
4000
Running Watts (Propane)
3100
3600
Starting Watts (Gasoline)
4300
5500
Starting Watts (Propane)
3900
5500
Runtime @ 25% Load (Gasoline)
7.5
20
Runtime @ 25% Load (Propane)
11
15
AC Outlet Types
1x Duplex 120V 20A (5-20R) 1x 120V 30A (L5-30R)
2x Duplex 120V 20A (5-20R); 1x 120V 30A (TT-30R)
Electrical & power
Frequency
60
60
Engine & construction
Engine Type
OHV 4-stroke
OHV 4-stroke
Engine Displacement
149
224
Engine Oil Type
Not available
10W-30
Runtime & fuel system
Runtime @ 25% Load (Gasoline)
7.5
20
Controls & display
Display Type
Not available
Data center
Safety & compliance
Overload Protection System
Low oil and overload protection
Low oil and overload protection, CO monitoring
Low Oil ProtectionNoYes
Carbon Monoxide MonitoringYesYes
Included equipment
Starting Components
Not available
Recoil, Electric
Included Accessories
Oil, funnel, tool kit, propane hose, dual port USB adapter, RV adapter, and battery charging cables
Oil, funnel, propane hose, and battery
Warranty & identification
Residential Warranty
3
Not available
Commercial Warranty
3
3
Additional specs
Summary
The A-iPower SUA4300iD is a 3,450-watt dual-fuel generator that runs on either gasoline or propane. This flexibility means users can refuel based on what's available, whether that's a gas station during an outage or a propane tank for extended storage. The 4,300-watt peak output handles startup surges from refrigerators, air compressors, and power tools without stumbling. At 54.8 lbs, this unit moves easily into trucks, basements, or storage closets, making it practical for homeowners, campers, and job site crews who need power without the burden of a stationary installation.
The Champion Power Equipment 201273 is a 5500W dual fuel electric start inverter generator, offering reliable power with the flexibility of using either gasoline or propane.
  • Most Powerful
    Champion Power Equipment 201273
    4000W running
  • Quietest
    Champion Power Equipment 201273
    61 dB
  • Longest Runtime
    h at 50% load
Where to buy
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A-iPower SUA4300iD
Store links
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Champion Power Equipment 201273
Store links
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