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Champion · Inverter generator

201278

4,500 starting watts and 3,500 running watts with gasoline, propane operation · 14 h. · 61 dB(A).

3,500W running4,500W starting61 dB(A)Gasoline + Propane
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Champion 4500W Electric Start Dual Fuel Inverter
Official product image: Champion

The important numbers, at a glance.

01 · Output by fuel

Up to 4,500 starting watts

Gasoline3,500W running

4,500W starting

Propane3,150W running

4,500W starting

02 · Runtime & operation

Manufacturer runtime

14 h.

Operating volume

61 dB(A)

Energy source

Gasoline, Propane (LPG)

2.3 gal. fuel capacity

03 · Size & ownership

99.2 lb.

Unit weight

23.3 in. × 17.8 in. × 20.1 in.

Length × width × height

Warranty
3 Year Warranty
Starting
Recoil, Electric
Status
Listed in Champion U.S. catalog
04 · Controls & safety

Starting system

Recoil, Electric

Power system

Inverter output

Protection

CO Shield® · Low-oil shutdown

Electrical

120 · 60Hz

120V 20A Duplex (5-20R), 120V TT-30R, 2.1A USB, Parallel

These manufacturer images may include output comparisons, controls, dimensions, included equipment, and common use cases. Scroll sideways to view the complete official set available for this model.

Champion 201278 product view
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Every official field, organized.

The technical fields below come from Champion’s current U.S. model page. Product photos and infographics come from its official gallery. Confirm current documentation and retailer details before purchase.

Outdoor use only. Never operate a fuel-burning generator inside a home, garage, shed, or other enclosed space. CO Shield® is a backup safety feature, not a substitute for correct outdoor placement.

Manufacturer overview

Features Dual Fuel Operate your 4500-watt portable generator right out of the box on either gasoline or propane, plus features CO Shield® carbon monoxide auto shutoff system. Quiet Technology and Extended Run Time 61 dBA is great for RVs, tailgating, or camping with 4500 starting watts, 3500 running watts and up to 14 hours run time on gasoline, and 3150 running watts and up to 21 hours on propane Parallel Ready The optional parallel kit (sold separately) enables this inverter to connect with another Champion inverter to increase your power output Intelligauge with Power Meter Monitor voltage, frequency and operating hours with ease, plus the EZ Start Dial simplifies startup. Champion Support Includes 3-year limited warranty with FREE lifetime technical support from dedicated experts Description The Champion Power Equipment 4500-Watt Inverter Generator with CO Shield® is ultra-quiet and ideal for camping, tailgating, powering items around the RV or providing backup for your essentials. Champion’s EZ Start Dial makes getting started quick and easy. This unit features Cold Start Technology, Extended Run Time, and an easy to read fuel gauge. With a 0.5-quart oil capacity (included 10W

Specifications

Portable Generator Technology
Dual Fuel, CO Shield®, ParaLINK®
Gasoline Starting Watts
4500W
Gasoline Running Watts
3500W
Propane Starting Watts
4500W
Propane Running Watts
3150W
Gasoline Starting Amps at 120V
37.5A
Gasoline Running Amps at 120V
29.2A
Propane Starting Amps at 120V
37.5A
Propane Running Amps at 120V
26.3A
Volts
120
Frequency
60Hz
Receptacles
120V 20A Duplex (5-20R), 120V TT-30R, 2.1A USB, Parallel
DC Operation
Yes
GFCI Receptacles
No
Covered Receptacles
Yes
Gasoline Run Time at 1/4 Load
14 h.
Propane Run Time at 1/4 Load
21 h.
Noise Level
61 dB(A)
Inverter
Enclosed
Parallel Capability
Yes
Voltmeter
Intelligauge with Power Meter
Battery
Yes
Start Type
Recoil, Electric
Engine Brand
Champion
Engine Size
212cc
Engine Type
4-stroke
Engine Speed
Variable
Fuel Type
Gasoline, Propane (LPG)
Fuel Gauge
Mechanical
Gasoline Capacity
2.3 gal.
Gasoline Tank Material
Steel
Engine Oil Type
10W-30
Engine Oil Capacity
0.5 qt.
Engine Oil Included
Yes
Low Oil Shut-Off
Yes
Wheels
Yes
Wheel Type
Solid
Wheel Diameter
5 in.
PGMA Compliant
G300-2018
EPA Certified
Yes

Measurements

Length
23.3 in.
Width
17.8 in.
Height
20.1 in.
Weight
99.2 lb.
  • Home essentials
  • RV power
  • Tools and outdoor projects
  • Dual-fuel flexibility
  • Clean inverter power
  • Dual Fuel, CO Shield®, ParaLINK®
  • Recoil, Electric start
  • Parallel capable
  • 3 Year Warranty

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Official sources:Champion product pageEnglish manualAll Champion generatorsVerified September 15, 2026