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Select up to 4 generators to compare specs, power output, noise levels, runtime and more. Your compare URL is shareable.

  • Energizer eZV4800
  • Cat RP3600
  • Model eZV4800
    Model eZV4800

    Energizer 3,600W Gas Generator

    3600W
    Running
    70 dB
    Noise
    View details
  • Model RP3600
    Model RP3600

    Cat 3,600W Gas Generator

    3600W
    Running
    0 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 eZV4800Cat RP3600
General
Product type
Generator
Generator
Fuel
Gasoline
Gasoline
InverterYesNo
Parallel capableNoNo
RV readyNoYes
Running watts
Winner: Winner: 3600 W
Winner: Winner: 3600 W
Starting watts
Winner: Winner: 4800 W
4500 W
Noise (lower limit)
Winner: Winner: 70 dB
0 dB
Weight
Winner: Winner: 78 lbs
125 lbs
Run time @50% load
11.8 h
Winner: Winner: 13.5 h
Run time @25% load
16.2 h
Not available
Fuel tank
3.2 gal
4.5 gal
Fuel gaugeYesYes
Approx. dimensions (L × W × H)
18 x 17 x 21
28.4 x 25.2 x 23
Electrical
Voltage (AC)
120
120V 60 Hz
Voltage (DC)
12
Not available
GFCI outletsYesNo
Covered outletsYesYes
Automatic Voltage RegulationYesYes
THD
Not available
Not available
Engine
Engine
223 cc 4-stroke
212 cc OHV 4-stroke
Alternator
Not available
Not available
Starting system
Recoil
Recoil
Warranty
Warranty
3 years
2 years
Power by fuel
GasolineNot availableNot available
Running watts
3600 W
3600 W
Starting watts
4800 W
4500 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
11.8 h
13.5 h
Run time @25% load
Not available
Not available
Other
Data center
Not available
Not available
Indicators
true
false
Compliance
N/A
CARB, EPA
Security
Not available
Not available
Spark arrestorYesYes
Neutral
Floating
true
UPC
628963400837
815683020005
Core / High-priority specs
Running Watts (Gasoline)
3600
3600
Starting Watts (Gasoline)
4800
4500
Runtime @ 50% Load (Gasoline)
11.8
13.5
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
4-stroke
OHV 4-stroke
Engine Displacement
223
212
Engine Oil Type
SAE 10W-30
SAE 30 or 10W-30
Runtime & fuel system
Runtime @ 50% Load (Gasoline)
11.8
13.5
Safety & compliance
Overload Protection System
Low oil and overload protection
Low oil and overload protection
Low Oil ProtectionNoYes
Included equipment
Starting Components
Not available
Oil, funnel, tool kit, and wheel kit
Included Accessories
Not available
Oil, funnel, tool kit, and wheel kit
Warranty & identification
Commercial Warranty
3
Not available
Part Number
INVEZV4800AD
502-3684
Additional specs
Summary
The Energizer eZV4800 is a 3,600-watt inverter generator built on a 223cc 4-stroke engine. This wattage class handles mid-range household loads: refrigerators, window air conditioners, power tools, and multiple devices simultaneously. The 78-pound weight and 18 x 17 x 21 inch footprint make it portable enough for job sites and camping trips, yet substantial enough to deliver real power without constant refueling. Gasoline fuel means no special storage concerns, and the inverter output protects laptops, phones, and televisions from voltage spikes.
The Cat RP3600 is a 3600-watt gasoline generator built for job sites and RV camping. Its 4500-watt peak output handles startup surges for power tools and air conditioners, while the 3600-watt running capacity sustains multiple household circuits or a single large appliance continuously.
  • Most Powerful
    Energizer eZV4800
    3600W running
  • Quietest
    Energizer eZV4800
    70 dB
  • Longest Runtime
    Cat RP3600
    13.5h at 50% load
Where to buy
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Energizer eZV4800
Store links
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Cat RP3600
Store links
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