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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
  • Firman W03082
  • Model eZV4800
    Model eZV4800

    Energizer 3,600W Gas Generator

    3600W
    Running
    70 dB
    Noise
    View details
  • Model W03082
    Model W03082

    Firman 3,000W Gas Generator

    3000W
    Running
    58 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 eZV4800Firman W03082
General
Product type
Generator
Generator
Fuel
Gasoline
Gasoline
InverterYesYes
Parallel capableNoYes
RV readyNoYes
Running watts
Winner: Winner: 3600 W
3000 W
Starting watts
Winner: Winner: 4800 W
3300 W
Noise (lower limit)
70 dB
Winner: Winner: 58 dB
Weight
Winner: Winner: 78 lbs
90 lbs
Run time @50% load
Winner: Winner: 11.8 h
Not available
Run time @25% load
16.2 h
9 h
Fuel tank
3.2 gal
1.8 gal
Fuel gaugeYesNo
Approx. dimensions (L × W × H)
18 x 17 x 21
23.2 x 17.8 x 17.9
Electrical
Voltage (AC)
120
120V 60 Hz
Voltage (DC)
12
12V
GFCI outletsYesNo
Covered outletsYesYes
Automatic Voltage RegulationYesYes
THD
Not available
<3% %
Engine
Engine
223 cc 4-stroke
171 cc Firman Max-Pro Series OHV 4-stroke, cast iron sleeve
Alternator
Not available
Not available
Starting system
Recoil
Recoil, Electric
Warranty
Warranty
3 years
3 years
Power by fuel
GasolineNot availableNot available
Running watts
3600 W
3000 W
Starting watts
4800 W
3300 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
Not available
Run time @25% load
Not available
9 h
Other
Data center
Not available
Not available
Indicators
true
true
Compliance
N/A
CARB, EPA
Security
Not available
Not available
Spark arrestorYesYes
Neutral
Floating
Floating
UPC
628963400837
840876130827
Core / High-priority specs
Running Watts (Gasoline)
3600
3000
Starting Watts (Gasoline)
4800
3300
Runtime @ 50% Load (Gasoline)
11.8
Not available
Runtime @ 25% Load (Gasoline)
Not available
9
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
4-stroke
OHV 4-stroke
Engine Displacement
223
171
Cylinder Sleeve
Not available
Cast iron sleeve
Engine Oil Type
SAE 10W-30
Not available
Runtime & fuel system
Runtime @ 25% Load (Gasoline)
Not available
9
Runtime @ 50% Load (Gasoline)
11.8
Not available
Safety & compliance
Overload Protection System
Low oil and overload protection
Low oil and overload protection
Low Oil ProtectionNoYes
Included equipment
Included Accessories
Not available
Oil, funnel, tool kit, battery charger, battery charging cables, and battery
Warranty & identification
Commercial Warranty
3
3
Part Number
INVEZV4800AD
Not available
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 Firman W03082 is a 3000-watt inverter generator built around a 171cc OHV 4-stroke engine. At this wattage, it can power most household appliances simultaneously: a refrigerator (600W), microwave (1000W), and several lights and chargers without strain. The 3300-watt peak handles motor startup surges for tools like circular saws or air compressors. Because it runs on gasoline with a 1.8-gallon tank, refueling happens frequently at higher loads, but the 9-hour runtime at 25% load means light-duty camping or backup power runs through a full day without interruption. The inverter topology keeps total harmonic distortion below 3%, which means laptops, phones, and sensitive medical equipment charge safely without risk of damage from dirty power.
  • Most Powerful
    Energizer eZV4800
    3600W running
  • Quietest
    Firman W03082
    58 dB
  • Longest Runtime
    Energizer eZV4800
    11.8h at 50% load
Where to buy
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Energizer eZV4800
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Firman W03082
Store links
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