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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.

  • Champion Power Equipment 201501
  • Firman P03631
  • Model 201501
    Model 201501

    Champion Power Equipment 3,650W Gas Generator

    3650W
    Running
    68 dB
    Noise
    View details
  • Model P03631
    Model P03631

    Firman 3,650W Gas Generator

    3650W
    Running
    75 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
SpecificationChampion Power Equipment 201501Firman P03631
General
Product type
Generator
Generator
Fuel
Gasoline
Gasoline
InverterNoNo
Parallel capableNoNo
RV readyYesYes
Running watts
Winner: Winner: 3650 W
Winner: Winner: 3650 W
Starting watts
Winner: Winner: 4550 W
4450 W
Noise (lower limit)
Winner: Winner: 68 dB
75 dB
Weight
Winner: Winner: 103 lbs
119.5 lbs
Run time @50% load
Winner: Winner: 14 h
Winner: Winner: 14 h
Run time @25% load
Not available—
Not available—
Fuel tank
4.7 gal
5 gal
Fuel gaugeYesYes
Approx. dimensions (L × W × H)
23.2 x 18.3 x 20
24.8 x 21.7 x 21.7
Electrical
Voltage (AC)
120
120/240
Voltage (DC)
Not available—
12
GFCI outletsNoYes
Covered outletsYesYes
Automatic Voltage RegulationYesYes
THD
Not available—
<25% %
Engine
Engine
224 cc OHV 4-stroke
208 cc Firman Max-Pro Series OHV 4-stroke, cast iron sleeve
Alternator
Not available—
Not available—
Starting system
Recoil
Recoil, Electric, Remote
Warranty
Warranty
3 years
3 years
Power by fuel
GasolineNot available—Not available—
Running watts
3650 W
3650 W
Starting watts
4550 W
4450 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
14 h
14 h
Run time @25% load
Not available—
Not available—
Other
Data center
Not available—
Not available—
Indicators
false
true
Compliance
EPA, ANSI/PGMA G300-2023
CARB, EPA, ANSI/PGMA G300-2023
Security
Not available—
Not available—
Spark arrestorYesYes
Neutral
Floating
true
UPC
817198028507
840876136317
Core / High-priority specs
Running Watts (Gasoline)
3650
3650
Starting Watts (Gasoline)
4550
4450
Runtime @ 50% Load (Gasoline)
14
14
AC Outlet Types
1x Duplex 120V 20A (5-20R); 1x 120V 30A (TT-30R); 1x 120V 30A (L5-30R)
1x Duplex 120V 20A (5-20R) GFCI; 1x 120V 30A (TT-30R); 1x 120/240V 30A (L14-30R)
Electrical & power
Frequency
60
60
Engine & construction
Engine Type
OHV 4-stroke
208 cc Firman Max-Pro Series OHV 4-stroke, cast iron sleeve
Engine Displacement
224
208
Cylinder Sleeve
Not available—
cast iron sleeve
Engine Oil Type
10W-30
Not available—
Runtime & fuel system
Runtime @ 50% Load (Gasoline)
14
14
Safety & compliance
Overload Protection System
Low oil, overload and Volt Guard™ surge protection, CO monitoring
Low oil and overload protection
Low Oil ProtectionYesYes
Carbon Monoxide MonitoringYesYes
Included equipment
Mobility Components
Not available—
Yes
Included Accessories
Oil and funnel
Oil, funnel, tool kit, key fob, battery, and wheel kit
Warranty & identification
Commercial Warranty
Not available—
3
Part Number
201119
Not available—
Additional specs
Summary
The Champion Power Equipment 201501 3650-Watt RV Ready Portable Generator with CO Shield® offers versatile and convenient power, featuring a 224cc engine, 4550 starting watts, 3650 running watts, and up to 14 hours of run time at 50% load. It includes CO Shield® carbon monoxide auto shutoff system, making it ideal for camping, home backup, and more.
The Firman P03631 is a 3,650-watt gasoline generator built for homeowners, RV users, and outdoor enthusiasts who need reliable backup power without breaking portability limits. At this wattage, the unit can run a refrigerator, microwave, and several power tools simultaneously, or power an RV's air conditioning and appliances during camping trips. The 4,450-watt peak capacity handles the startup surge of compressors and air conditioners, which draw 2 to 3 times their running wattage on initial startup. The P03631 delivers 14 hours of runtime at 50% load from its 5-gallon tank, meaning a user can power essential devices through a full day and night without refueling. This runtime window makes it practical for weekend camping or a 24-hour power outage without the need for a second fuel run. The gasoline fuel type keeps refueling simple at any gas station, and the inclusion of a fuel gauge eliminates guesswork about tank level.
  • Most Powerful
    Champion Power Equipment 201501
    3650W running
  • Quietest
    Champion Power Equipment 201501
    68 dB
  • Longest Runtime
    Champion Power Equipment 201501
    14h at 50% load
Where to buy
Prices can change. We update these automatically.
Champion Power Equipment 201501
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Firman P03631
Store links
No links yet.
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