SKU: EF4500iSE

Yamaha EF4500iSE 4500 Watt Inverter Generator with CO Sensor

Sale price$3,997.99 USD Regular price$4,499.99 USD
Save $502.00

Yamaha EF4500iSE

The 4500 Watt EF4500iSE weighs 194 pounds, starts with ease with its electric starter, and is capable of running an RV air conditioner, microwave oven and more all at the same time. Designed to be acoustically sound, this extremely quiet generator (53-60 dBA) features Smart Throttle which allows greater fuel efficiency and noise reduction. It will run up to 19 hours at ¼ rated load on a tank of gas. With features such as Built-In Wheels, Electric Start, and an Oil Watch Warning System, the EF4500iSE is one of the most powerful portable medium-range inverters!



Maximum AC Output

4500 Watts

Rated AC Output

4000 Watts

Rated / Maximum AC Current

33.3/37.5 amps @ 120V


OHV, air-cooled, single cylinder, 4-stroke



L x W x H

30.7" x 24.3" x 27.2"

Dry Weight

194 lbs

DC Output


Fuel Tank Capacity

4.5 Gallons

Continuous Operation at 1/4 Rated Load

15.2 Hrs

Noise Level (1/4 Load - Rated Load)

58 dBA / 60dBA


3-year limited warranty


On All Orders Over $99


We Stand By Our Work


Built with 60 Years of Experience




• 4500 watt maximum output, 4000 watt rated continuous output ‐ Suitable for running most 15,000 BTU RV air conditioners and 1000 watt microwave oven, or two major RV appliances simultaneously.

• Noise Block sound reduction system ‐ Very quiet 58-60 decibels.

• Low speed running ‐ Using the most powerful engine in its class to run at a constant ultra low speed of 2600 rpm to reduce gasoline consumption, extend running time between refueling and reduce noise and engine wear.

• Up to 15.2 hours running time - at one quarter rated load between refueling.

• 50 state legal ‐ Meets CARB emission regulations and given highest EPA rating.

• Pulse Width Modulation Inverter System ‐ Sine wave as clean as or cleaner than household electricity. Suitable for computers, televisions, satellite TV systems and other sensitive electronic equipment and appliances.

• Optional wireless remote control ‐ Start and stop the generator from up to 66 feet away.

• Electric start ‐ Effortless turn the key to star.

• Automatic choke ‐ Easy starting even in cold climates.

• Low oil warning system ‐ Shuts the engine off to protect the engine if the oil level drops.

• Power meter ‐ Easy to read meter indicates the amount of power being used and the amount that’s available.

• Hour meter ‐ Displays the amount of running time accumulated to indicate servicing or refueling interval.

• Twin bar ‐ Aids in lifting and loading. Also utilize for transport and anti-theft security.

• Gas gauge ‐ Indicates amount of gasoline to indicate refueling interval.

• Factory warranty ‐ Covers the entire generator for defects in parts and workmanship for three (3) years.

• Stylish design ‐ Attractive and practical.

• Four wheels with parking brake ‐ Easy transport and security.


A gas generator is not enough for you? Check out our Gas Generators series.

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