All GeneratorsDealsCompareMy PicksGenerator Finder
All GeneratorsDealsCompareMy PicksGenerator Finder
  • Guides
  • Blog
  • FAQ
  • Rankings

Helping you find the right generator for your needs with objective specs and clear comparisons.

Categories

  • Quiet Generators
  • Inverter Generators
  • Dual-Fuel
  • Home Backup
  • Portable
  • All Brands

Resources

  • Rankings
  • Compare Generators
  • Generator Finder
  • Deals
  • Buying Guides
  • Blog
  • FAQ
  • About Us

Legal

  • Terms of Service
  • Privacy Policy
  • DMCA
  • Disclosures

Disclosure

RightGenerator is reader-supported. When you buy through links on our site, we may earn an affiliate commission at no cost to you.

© 2026 RightGenerator. All rights reserved.

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.

  • DuroStar DS4000S
  • Energizer eZV2200P
  • Model DS4000S
    Model DS4000S

    DuroStar 3,300W Gas Generator

    3300W
    Running
    69 dB
    Noise
    View details
  • No image
    Model eZV2200P

    Energizer 1,700W Gas Generator

    1700W
    Running
    50 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
SpecificationDuroStar DS4000SEnergizer eZV2200P
General
Product type
Generator
Generator
Fuel
Gasoline
Gasoline
InverterNoYes
Parallel capableNoYes
RV readyNoNo
Running watts
Winner: Winner: 3300 W
1700 W
Starting watts
Winner: Winner: 4000 W
2200 W
Noise (lower limit)
69 dB
Winner: Winner: 50 dB
Weight
92 lbs
Winner: Winner: 44 lbs
Run time @50% load
Winner: Winner: 12 h
Not available—
Run time @25% load
26 h
11.5 h
Fuel tank
4 gal
0.9 gal
Fuel gaugeYesNo
Approx. dimensions (L × W × H)
23 x 18 x 17.5
20.1 x 11 x 17.7
Electrical
Voltage (AC)
120
120V
Voltage (DC)
Not available—
Not available—
GFCI outletsNoNo
Covered outletsNoNo
Automatic Voltage RegulationYesNo
THD
Not available—
<2% %
Engine
Engine
DuroStar OHV 4-stroke
Not available—
Alternator
Not available—
Not available—
Starting system
Recoil
Not available—
Warranty
Warranty
3 years
3 years
Power by fuel
GasolineNot available—Not available—
Running watts
3300 W
Not available—
Starting watts
4000 W
Not available—
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
12 h
Not available—
Run time @25% load
26 h
Not available—
Other
Data center
Not available—
Not available—
Indicators
true
Not available—
Compliance
CARB, EPA
Not available—
Security
Not available—
Not available—
Spark arrestorYesNo
Neutral
Floating
Not available—
UPC
811640011840
Not available—
Core / High-priority specs
Running Watts (Gasoline)
3300
Not available—
Starting Watts (Gasoline)
4000
Not available—
Runtime @ 50% Load (Gasoline)
12
Not available—
Runtime @ 25% Load (Gasoline)
26
Not available—
AC Outlet Types
1x Duplex 120V 20A (5-20R); 1x 120V 30A (L5-30R)
Not available—
Electrical & power
Frequency
60
60
Engine & construction
Engine Type
OHV 4-stroke
Not available—
Engine Displacement
208
80
Engine Oil Type
10W-30
10W-30
Runtime & fuel system
Runtime @ 25% Load (Gasoline)
26
Not available—
Runtime @ 50% Load (Gasoline)
12
Not available—
Safety & compliance
Overload Protection System
Low oil and overload protection
Not available—
Low Oil ProtectionYesYes
Included equipment
Included Accessories
Funnel and tool kit
Not available—
Additional specs
Summary
The DuroStar DS4000S is a 3,300-watt gasoline generator built around a DuroStar OHV 4-stroke engine that delivers 4,000 peak watts for startup surges. This wattage range powers essential household appliances, power tools, and small job site equipment simultaneously. A single person can operate it because the recoil starting system requires only manual pull-cord engagement, though the 92-pound weight means transport over distance demands planning. The 4-gallon fuel tank runs 26 hours at 25 percent load or 12 hours at 50 percent load, making it suitable for extended outages or multi-day outdoor use without constant refueling. EPA and CARB compliance clears this unit for all 50 states.
The Energizer eZV2200P is a 1700-watt inverter generator built for users who need portable, clean power for sensitive electronics and light-duty applications. Its compact size and 44-pound weight make it ideal for camping, tailgating, and emergency backup without requiring a dedicated storage space or heavy-duty transport.
  • Most Powerful
    DuroStar DS4000S
    3300W running
  • Quietest
    Energizer eZV2200P
    50 dB
  • Longest Runtime
    DuroStar DS4000S
    12h at 50% load
Where to buy
Prices can change. We update these automatically.
DuroStar DS4000S
Store links
No links yet.
Energizer eZV2200P
Store links
No links yet.
Disclosure: Some links may be affiliate links. Specs and comparisons are never hidden.