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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.

  • Cummins Onan P2500i
  • AIVOLT VS8000411
  • Model Onan P2500i
    Model Onan P2500i

    Cummins 2,200W Gas Generator

    2200W
    Running
    52 dB
    Noise
    View details
  • Model VS8000411
    Model VS8000411

    AIVOLT 6,100W Dual-Fuel Inverter Generator

    6100W
    Running
    62 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
SpecificationCummins Onan P2500iAIVOLT VS8000411
General
Product type
Generator
Not available—
Fuel
Gasoline
Dual-Fuel
InverterYesYes
Parallel capableYesYes
RV readyNoYes
Running watts
2200 W
Winner: Winner: 6100 W
Starting watts
2500 W
Winner: Winner: 8000 W
Noise (lower limit)
Winner: Winner: 52 dB
62 dB
Weight
Winner: Winner: 48 lbs
129 lbs
Run time @50% load
Winner: Winner: 8 h
Not available—
Run time @25% load
10 h
Not available—
Fuel tank
1 gal
Not available—
Fuel gaugeYesNo
Approx. dimensions (L × W × H)
19.8 x 10.5 x 18.3
25.2"L x 19.7"W x 21.4"H
Electrical
Voltage (AC)
120
120 Volts
Voltage (DC)
12
Not available—
GFCI outletsNoNo
Covered outletsYesNo
Automatic Voltage RegulationYesNo
THD
<3% %
3 %
Engine
Engine
98 cc Ducar OHV 4-stroke engine
322cc 4-stroke OHV engine
Alternator
Not available—
Not available—
Starting system
Recoil
Electric start
Warranty
Warranty
3 years
Not available—
Power by fuel
GasolineNot available—Not available—
Running watts
2200 W
6100 W
Starting watts
2500 W
8000 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
8 h
Not available—
Run time @25% load
10 h
Not available—
Other
Data center
Not available—
Not available—
Indicators
true
Not available—
Compliance
CARB, EPA
EPA & CARB compliant
Security
Not available—
Not available—
Spark arrestorYesNo
Neutral
Floating
Not available—
UPC
690781007918
Not available—
Core / High-priority specs
Running Watts (Gasoline)
2200
6100
Starting Watts (Gasoline)
2500
8000
Runtime @ 50% Load (Gasoline)
8
Not available—
Runtime @ 25% Load (Gasoline)
10
Not available—
AC Outlet Types
1x Duplex 120V 20A (5-20R)
4 outlets
Electrical & power
Frequency
60
50
Engine & construction
Engine Type
Ducar OHV 4-stroke
Not available—
Engine Displacement
98
322
Alternator Winding Material
Not available—
100% copper windings
Engine Oil Type
SAE 10W30
Not available—
Runtime & fuel system
Runtime @ 25% Load (Gasoline)
10
Not available—
Runtime @ 50% Load (Gasoline)
8
Not available—
Controls & display
Display Type
Not available—
5-in-1 LCD display center
Idle Control System
Not available—
Eco-Mode
Safety & compliance
Overload Protection System
Low oil and overload protection
Automatic shutdown during carbon monoxide detection
Low Oil ProtectionYesYes
Carbon Monoxide MonitoringNoYes
Included equipment
Mobility Components
Not available—
Telescopic handle, two 7-inch never-flat wheels
Fuel Connection Components
Not available—
Automatic fuel-switching technology
Included Accessories
Oil, funnel, and tool kit
Dual 2.4A USB adapter, emergency battery charger, LPG hose, tool kit, oil funnel
Warranty & identification
Residential Warranty
Not available—
2
Commercial Warranty
Not available—
2
Additional specs
Summary
The Cummins Onan P2500i is a 2200-watt inverter generator built for users who need portable power without sacrificing runtime or noise control. At 48 pounds and measuring 19.8 by 10.5 by 18.3 inches, this unit bridges the gap between true portability and practical capacity. It can run a microwave, small refrigerator, or circular saw continuously, making it suitable for camping trips, job sites, tailgating, and emergency backup. The 1-gallon fuel tank delivers 10 hours at 25 percent load and 8 hours at 50 percent load, meaning most users refuel once per day rather than multiple times. The inverter topology produces clean power with less than 3 percent THD, which protects laptops, phone chargers, and sensitive electronics from voltage spikes. Cummins backs this unit with a 3-year warranty, longer than the 2.4-year average for comparable inverter generators. The 52 dBA noise level sits between a normal conversation and light traffic, allowing operation in noise-restricted campgrounds and residential neighborhoods without drawing complaints.
The AIVOLT VS8000411 is a dual-fuel generator with 6100 rated watts and 8000 peak watts.
  • Most Powerful
    AIVOLT VS8000411
    6100W running
  • Quietest
    Cummins Onan P2500i
    52 dB
  • Longest Runtime
    Cummins Onan P2500i
    8h at 50% load
Where to buy
Prices can change. We update these automatically.
Cummins Onan P2500i
Store links
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AIVOLT VS8000411
Store links
No links yet.
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