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Pulsar PGX5250BiXCO vs A-iPower SUA4300iD

Pulsar PGX5250BiXCO vs A-iPower SUA4300iD

Pulsar brings higher 5250W starting power, while A-iPower runs quieter at 62 dB and lighter. Both are dual-fuel inverter generators.

  • A-iPower SUA4300iD
  • Pulsar PGX5250BiXCO

Comparison Overview

The biggest difference is power versus quiet portability. The Pulsar PGX5250BiXCO delivers 4000 running watts and 5250 starting watts, giving you more headroom for bigger loads and tougher start-up surges. The A-iPower SUA4300iD is smaller on output at 3450 running watts and 4300 starting watts, but it’s notably quieter at 62 dB versus the Pulsar’s 70 dB.

Weight also separates them. The A-iPower comes in at 54.8 lb, which is easier to lift into a trunk or move around a campsite, while the Pulsar is 64 lb and feels more like a “set it near the house” unit. Both are inverter generators, which is what you want for sensitive electronics like laptops, TVs, and many modern RV appliances.

Runtime data is incomplete, but what’s listed favors the A-iPower at lighter loads: it’s rated 7.5 hours at 25% load, while the Pulsar shows 6 hours at 50% load (not a direct apples-to-apples comparison). Both offer a 3-year warranty. Pick the Pulsar if you need more wattage headroom, and the A-iPower if quieter, lighter operation matters most.

Key takeaways

  • Pulsar PGX5250BiXCO outputs 4000 running watts and 5250 starting watts for higher surge loads.
  • A-iPower SUA4300iD runs quieter at 62 dB versus Pulsar’s 70 dB rating.
  • A-iPower SUA4300iD is lighter at 54.8 lb, Pulsar weighs 64 lb.
  • Both are dual fuel (gasoline/propane) inverter generators for electronics-safe power.
  • Both include a 3-year warranty, helpful for occasional home backup use.

Best use cases

Choose the Pulsar PGX5250BiXCO if you want more breathing room for home backup and higher-demand tools. With 4000 running watts and 5250 starting watts, it’s better suited to handling bigger start-up surges, like when a refrigerator compressor kicks on, a sump pump starts, or you’re running multiple household essentials at once. It can also be a better fit for RV use when you want extra margin for a microwave or other higher-draw appliance, especially if you’re trying to avoid constantly managing what’s on and off. The tradeoff is it’s louder at 70 dB and heavier at 64 lb, so it’s less pleasant for close-quarters camping and less convenient if you’re frequently loading it in and out of a vehicle.

Choose the A-iPower SUA4300iD if your priority is a more campground-friendly experience and easier transport. At 62 dB, it’s the better neighbor choice for camping, tailgating, and many RV situations where you’re mainly powering battery charging, lights, fans, a TV, and occasional small kitchen loads. It’s also easier to move at 54.8 lb, which matters if you’re storing it on a shelf, lifting it into an SUV, or repositioning it around a site. The tradeoff is lower output at 3450 running watts and 4300 starting watts, so you may need to be more careful about stacking loads or starting multiple appliances at the same time. Both are dual fuel (gasoline/propane) inverter models, so either can be a flexible, electronics-safe choice depending on your power and noise priorities.

Verdict & recommendation

If your priority is higher surge capacity and more overall wattage headroom for home backup or heavier mixed loads, the Pulsar PGX5250BiXCO is the more comfortable fit with 5250 starting watts and 4000 running watts. If your priority is a quieter generator that’s easier to carry and more pleasant for camping, tailgates, and many RV setups, the A-iPower SUA4300iD stands out at 62 dB and 54.8 lb.

Both being dual-fuel inverter generators with a 3-year warranty makes this a practical choice between power margin and everyday livability. Decide based on whether you’d rather manage noise and weight, or manage tighter wattage limits.

Last updated February 23, 2026

  • Model SUA4300iD
    Model SUA4300iD

    A-iPower 3,450W Dual-Fuel Generator

    3450W
    Running
    62 dB
    Noise
    View details
  • Model PGX5250BiXCO
    Model PGX5250BiXCO

    Pulsar 4,000W Dual-Fuel Generator

    4000W
    Running
    70 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 SUA4300iDPulsar PGX5250BiXCO
General
Product type
Generator
Generator
Fuel
Dual-Fuel
Dual-Fuel
InverterYesYes
Parallel capableYesNo
RV readyNoYes
Running watts
3450 W
Winner: Winner: 4000 W
Starting watts
4300 W
Winner: Winner: 5250 W
Noise (lower limit)
Winner: Winner: 62 dB
70 dB
Weight
Winner: Winner: 54.8 lbs
64 lbs
Run time @50% load
Not available
Winner: Winner: 6 h
Run time @25% load
7.5 h
Not available
Fuel tank
1.6 gal
2.1 gal
Fuel gaugeYesYes
Approx. dimensions (L × W × H)
22.2 x 14.4 x 20.3
17.5 x 14.9 x 19.5
Electrical
Voltage (AC)
120
120
Voltage (DC)
12
12
GFCI outletsNoNo
Covered outletsYesYes
Automatic Voltage RegulationYesYes
THD
Not available
Not available
Engine
Engine
149 cc OHV 4-stroke
223 cc OHV 4-stroke
Alternator
Not available
Not available
Starting system
Recoil
Recoil
Warranty
Warranty
3 years
3 years
Power by fuel
GasolineNot availableNot available
Running watts
3450 W
4000 W
Starting watts
4300 W
5250 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
6 h
Run time @25% load
7.5 h
Not available
PropaneNot availableNot available
Running watts
3100 W
3600 W
Starting watts
3900 W
4700 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 h
Run time @25% load
11 h
Not available
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
true
UPC
850016881649
814726029852
Core / High-priority specs
Running Watts (Gasoline)
3450
4000
Running Watts (Propane)
3100
3600
Starting Watts (Gasoline)
4300
5250
Starting Watts (Propane)
3900
4700
Runtime @ 50% Load (Gasoline)
Not available
6
Runtime @ 50% Load (Propane)
Not available
10
Runtime @ 25% Load (Gasoline)
7.5
Not available
Runtime @ 25% Load (Propane)
11
Not available
AC Outlet Types
1x Duplex 120V 20A (5-20R) 1x 120V 30A (L5-30R)
1x Duplex 120V 20A (5-20R) 1x 120V 30A (TT-30R)
Electrical & power
Frequency
60
60
Engine & construction
Engine Type
OHV 4-stroke
Not available
Engine Displacement
149
223
Engine Oil Type
Not available
10W-30
Runtime & fuel system
Runtime @ 25% Load (Gasoline)
7.5
Not available
Runtime @ 50% Load (Gasoline)
Not available
6
Runtime @ 50% Load (Propane)
Not available
10
Safety & compliance
Overload Protection System
Low oil and overload protection
Low oil and overload protection
Low Oil ProtectionNoYes
Carbon Monoxide MonitoringYesYes
Included equipment
Starting Components
Not available
Oil, funnel, tool kit, and propane hose
Included Accessories
Oil, funnel, tool kit, propane hose, dual port USB adapter, RV adapter, and battery charging cables
Oil, funnel, tool kit, and propane hose
Warranty & identification
Residential Warranty
3
Not available
Commercial Warranty
3
Not available
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 Pulsar PGX5250BiXCO 5250W Dual Fuel Inverter Generator is a reliable power solution for emergency power, off-grid needs, RV trips, and jobsite use. With dual fuel capability, it operates on either gasoline or propane, giving you flexibility when fuel availability changes. Its advanced inverter technology delivers clean, stable electricity that’s safe for sensitive electronics such as laptops, mobile devices, and televisions.
  • Most Powerful
    Pulsar PGX5250BiXCO
    4000W running
  • Quietest
    A-iPower SUA4300iD
    62 dB
  • Longest Runtime
    Pulsar PGX5250BiXCO
    6h at 50% load
Where to buy
Prices can change. We update these automatically.
A-iPower SUA4300iD
Store links
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Pulsar PGX5250BiXCO
Store links
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