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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.

  • Energizer eZV3500P
  • Cat INV2000
  • Model eZV3500P
    Model eZV3500P

    Energizer 3,000W Gas Generator

    3000W
    Running
    57 dB
    Noise
    View details
  • Model INV2000
    Model INV2000

    Cat 1,800W Gas Generator

    1800W
    Running
    52 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
SpecificationEnergizer eZV3500PCat INV2000
General
Product type
Generator
Generator
Fuel
Gasoline
Gasoline
InverterYesYes
Parallel capableYesNo
RV readyNoNo
Running watts
Winner: Winner: 3000 W
1800 W
Starting watts
Winner: Winner: 3500 W
2250 W
Noise (lower limit)
57 dB
Winner: Winner: 52 dB
Weight
96 lbs
Winner: Winner: 48.8 lbs
Run time @50% load
Not available
Winner: Winner: 6 h
Run time @25% load
15.5 h
10 h
Fuel tank
1.95 gal
1 gal
Fuel gaugeYesYes
Approx. dimensions (L × W × H)
22.8 x 16.7 x 17.5
19.6 x 12.5 x 18.1
Electrical
Voltage (AC)
120
120V 60 Hz
Voltage (DC)
12
12
GFCI outletsNoYes
Covered outletsYesYes
Automatic Voltage RegulationYesYes
THD
Not available
<3% %
Engine
Engine
212 cc OHV 4-stroke
OHV 4-stroke
Alternator
Not available
Not available
Starting system
Recoil, Electric, Remote
Recoil
Warranty
Warranty
3 years
2 years
Power by fuel
GasolineNot availableNot available
Running watts
3000 W
1800 W
Starting watts
3500 W
2250 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
15.5 h
10 h
Other
Data center
Not available
Not available
Indicators
true
true
Compliance
CARB, EPA
CARB, EPA
Security
Not available
Not available
Spark arrestorYesYes
Neutral
Floating
true
UPC
Not available
815683024881
Core / High-priority specs
Running Watts (Gasoline)
3000
1800
Starting Watts (Gasoline)
3500
2250
Runtime @ 50% Load (Gasoline)
Not available
6
Runtime @ 25% Load (Gasoline)
15.5
10
AC Outlet Types
1x Duplex 120V 20A (5-20R) 1x 120V 30A (L5-30R)
1x Duplex 120V 20A (5-20R) GFCI
Electrical & power
Frequency
60
60
Engine & construction
Engine Type
OHV 4-stroke
OHV 4-stroke
Engine Displacement
212
79.7
Engine Oil Type
Not available
SAE 30 or 10W-30
Runtime & fuel system
Runtime @ 25% Load (Gasoline)
15.5
10
Runtime @ 50% Load (Gasoline)
Not available
6
Safety & compliance
Overload Protection System
Low oil and overload protection
Low oil and overload protection
Low Oil ProtectionNoYes
Included equipment
Starting Components
Recoil, Electric, Remote
Not available
Included Accessories
Funnel, tool kit, key fob, battery charging cables, and battery
Tool kit
Warranty & identification
Commercial Warranty
3
2
Part Number
INVEZV3500PD
Not available
Additional specs
Summary
The Energizer eZV3500P is a 3,000-watt inverter generator built for users who need portable power without sacrificing convenience. At 3,000 running watts, this unit can power a refrigerator, microwave, and several power tools simultaneously. The 3,500-watt peak capacity handles the startup surge of air conditioning units and compressors. Gasoline fuel means no special storage concerns and easy refueling at any gas station. The eZV3500P targets outdoor enthusiasts and homeowners who value flexibility in how they start the generator. Three starting options—recoil, electric, and remote—mean you can start it by hand, press a button on the unit, or trigger it from 100 feet away with the included key fob. The inverter technology protects laptops, phones, and other sensitive electronics from voltage spikes. A 3-year warranty covers defects across the generator's core components.
The Cat INV2000 is an 1800-watt inverter generator built for users who need portable, clean power without the noise. At 48.8 pounds and measuring 19.6 x 12.5 x 18.1 inches, this unit bridges the gap between lightweight portability and genuine load capacity. It runs on standard gasoline and produces less than 3% THD, meaning laptops, phones, and sensitive electronics stay safe from voltage spikes. The recoil start fires up quickly, and the 52 dBA noise level keeps it quiet enough for residential areas and campgrounds. With 10 hours of runtime at 25% load and 6 hours at 50% load, users can power essential devices through a full day or night without refueling. The 1-gallon fuel tank and automatic low-oil shutdown mean less maintenance worry. This is a grab-and-go generator for camping, tailgating, emergency backup, and light outdoor work where portability matters as much as power.
  • Most Powerful
    Energizer eZV3500P
    3000W running
  • Quietest
    Cat INV2000
    52 dB
  • Longest Runtime
    Cat INV2000
    6h at 50% load
Where to buy
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Energizer eZV3500P
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Cat INV2000
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