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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 eZV8000
  • Sportsman GENMAX1500
  • Model eZV8000
    Model eZV8000

    Energizer 6,500W Gas Generator

    6500W
    Running
    76 dB
    Noise
    View details
  • Model GENMAX1500
    Model GENMAX1500

    Sportsman 900W Gas Generator

    900W
    Running
    65 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 eZV8000Sportsman GENMAX1500
General
Product type
Generator
Generator
Fuel
Gasoline
Gasoline
InverterYesNo
Parallel capableNoNo
RV readyYesNo
Running watts
Winner: Winner: 6500 W
900 W
Starting watts
Winner: Winner: 8000 W
1500 W
Noise (lower limit)
76 dB
Winner: Winner: 65 dB
Weight
194 lbs
Winner: Winner: 45 lbs
Run time @50% load
Not available
Winner: Winner: 8 h
Run time @25% load
15.5 h
Not available
Fuel tank
5.5 gal
1 gal
Fuel gaugeYesNo
Approx. dimensions (L × W × H)
28 x 28 x 30
16 x 14 x 16
Electrical
Voltage (AC)
120/240V 60 Hz
120
Voltage (DC)
Not available
12
GFCI outletsYesNo
Covered outletsYesNo
Automatic Voltage RegulationYesNo
THD
<3% %
Not available
Engine
Engine
420 cc OHV 4-stroke
72 cc 2-stroke
Alternator
Not available
Not available
Starting system
Recoil, Electric
Recoil
Warranty
Warranty
3 years
1 years
Power by fuel
GasolineNot availableNot available
Running watts
6500 W
900 W
Starting watts
8000 W
1500 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
8 h
Run time @25% load
15.5 h
Not available
Other
Data center
Not available
Not available
Indicators
true
false
Compliance
CARB, EPA
EPA
Security
Not available
Not available
Spark arrestorYesNo
Neutral
true
Not available
UPC
Not available
27077805444
Core / High-priority specs
Running Watts (Gasoline)
6500
900
Starting Watts (Gasoline)
8000
1500
Runtime @ 50% Load (Gasoline)
Not available
8
Runtime @ 25% Load (Gasoline)
15.5
Not available
AC Outlet Types
2x Duplex 120V 20A (5-20R) GFCI; 1x 120/240V 30A (L14-30R); 1x 120/240V 50A (14-50R)
1x Duplex 120V 20A (5-20R)
Electrical & power
Frequency
60
60
Engine & construction
Engine Type
OHV 4-stroke
2-stroke
Engine Displacement
420
72
Engine Oil Type
10W-30
Not available
Runtime & fuel system
Runtime @ 25% Load (Gasoline)
15.5
Not available
Runtime @ 50% Load (Gasoline)
Not available
8
Safety & compliance
Overload Protection System
Low oil and overload protection
Not available
Low Oil ProtectionYesNo
Included equipment
Included Accessories
Oil, funnel, tool kit, battery, and wheel kit
Tool kit and battery charging cables
Warranty & identification
Commercial Warranty
3
Not available
Part Number
INVEZV8000CD
Not available
Additional specs
Summary
The Energizer eZV8000 is a 6,500-watt inverter generator built around a 420cc OHV 4-stroke engine. This wattage places it squarely in the mid-to-heavy duty range, capable of powering multiple household appliances simultaneously. A typical home refrigerator (600 watts), microwave (1000 watts), and several lights (300 watts) can run together, leaving headroom for power tools or additional devices. The 8,000-watt peak rating handles the inrush demand when motors first spin up. Because the eZV8000 runs on gasoline and includes inverter technology with less than 3% THD, users can safely power laptops, TVs, and other sensitive electronics without risk of damage from power spikes. The 5.5-gallon fuel tank delivers 15.5 hours of runtime at 25% load, meaning a full tank can sustain light-duty operation through an entire workday or camping trip.
The Sportsman GENMAX1500 is a portable 2-cycle gasoline generator offering 1,500 surge watts and 900 running watts, suitable for powering common household appliances and power tools.
  • Most Powerful
    Energizer eZV8000
    6500W running
  • Quietest
    Sportsman GENMAX1500
    65 dB
  • Longest Runtime
    Sportsman GENMAX1500
    8h at 50% load
Where to buy
Prices can change. We update these automatically.
Energizer eZV8000
Store links
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Sportsman GENMAX1500
Store links
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