This is our review of the best 4500 Watt Generator.
Owning one of the best 4500 watt generators is essential for many people in today's world. A reliable 4500-watt generator can provide much-needed backup power during a power outage, keep your RV running smoothly, and ensure you have electricity for outdoor events. In this blog post, we will reveal the top 5 best 4500-watt generators that are perfect for a variety of needs. These best 4500-watt generators have been carefully selected based on their performance, features, and customer reviews. Get ready to experience unstoppable power with these amazing best 4500-watt generators!

Best 4500 Watt Generators
The Westinghouse iGen4500 is a highly regarded portable inverter generator designed to provide reliable power output while ensuring quiet operation and fuel efficiency. With its impressive 4500 starting and 3700 running watts, this generator is ideal for powering various appliances and devices during power outages, outdoor events, and RV trips.
The iGen4500 boasts user-friendly features, including an electric start, remote start, and a digital display that makes it easy to monitor performance. It's a compact design and lightweight construction makes it a portable and convenient choice for users seeking dependable power.
Key Characteristics
Why We Selected This Generator
Starting Watts | 4500 Watts |
Running Watts | 3700 Watts |
Noise Level | 52 dBA (at 50% load) |
Fuel Type | Gasoline |
Tank Size | 3.4 gallons (12.87 liters) |
Run Time at 50% load | 18 hours |
Dimensions | 25.0" x 19.8" x 19.5" |
Weight | 98 lbs (44.5 kg) |
Emissions | CARB Compliant |
User Rating | 4.5 out of 5 stars |
Warranty | 3 years |

Customers Experience
Customers' experiences with generators are listed below, and we have worked diligently to gather genuine positive and negative feedback from real users to understand their experiences comprehensively.
Positive Feedback
Negative Feedback
The Champion 4500-Watt Dual Fuel Inverter Generator is a versatile and powerful portable generator allowing users to choose between gasoline and propane. This feature makes it an excellent choice for those seeking a reliable generator that can adapt to various situations and fuel availability.
With its 4500 starting and 3650 running watts, this generator can power multiple appliances and devices, making it perfect for use during power outages, outdoor events, and RV adventures. The inverter technology ensures clean power output, making it safe for sensitive electronics, while its quiet operation ensures minimal disturbance to neighbors and wildlife.
Key Characteristics
Why We Selected This Generator
Starting Watts | 4500 Watts |
Running Watts | 3650 Watts |
Noise Level | 59 dBA (at 50% load) |
Fuel Type | Gasoline and Propane |
Tank Size | 2.9 gallons (10.98 liters) for gasoline, 20-pound propane tank capacity |
Run Time at 50% load | Up to 14 hours on gasoline 10.5 hours on propane |
Dimensions | 26.3" x 24.8" x 22.9" |
Weight | 122 lbs (55.3 kg) |
Emissions | CARB Compliant |
User Rating | 4.7 out of 5 stars |
Warranty | 3 years |

Customers Experience
Customers' experiences with generators are listed below, and we have worked diligently to gather genuine positive and negative feedback from real users to understand their experiences comprehensively.
Positive Feedback
Negative Feedback
The WEN 4750 Gas-Powered Generator provides a reliable power source for various applications, from home backup power to outdoor events and job sites. With 4750 surge and 3750 rated watts, this generator can keep your essential appliances running during an outage or power multiple tools at a job site. Its 4-gallon fuel tank ensures long run times, while the digital hour meter helps monitor maintenance schedules.
The WEN 4750 is easy to transport and store, equipped with a wheel kit and foldable handles. As an affordable and dependable option, this generator is popular for those needing a portable power solution.
Key Characteristics
Why We Selected This Generator
Starting Watts | 4750 Watts |
Running Watts | 3750 Watts |
Noise Level | 68 dBA (50% load to 100% load) |
Fuel Type | Gasoline |
Tank Size | 4 gallons (15.1 liters) |
Run Time at 50% load | 11 hours |
Dimensions | 26.6" x 17.1" x 17.3" |
Weight | 112.5 lbs (51 kg) |
Emissions | EPA III and CARB Compliant |
User Rating | 4.5 out of 5 stars |
Warranty | 2 years |

Customers Experience
Customers' experiences with generators are listed below, and we have worked diligently to gather genuine positive and negative feedback from real users to understand their experiences comprehensively.
Positive Feedback
Negative Feedback
The Briggs & Stratton P4500 PowerSmart Series Inverter Generator is a versatile and robust option for those seeking reliable power in a portable package. With 4500 starting and 3700 running watts, this generator is perfect for home backup power, tailgating, or power tools and equipment at job sites. The P4500 features Quiet Power Technology, which adjusts the engine speed to reduce noise and save fuel.
The generator also boasts a CO Guard carbon monoxide shutdown system for safety. With its user-friendly design, multiple outlets, and 3-year limited warranty, the Briggs & Stratton P4500 is a top choice among portable inverter generators.
Key Characteristics
Why We Selected This Generator
Starting Watts | 4500 Watts |
Running Watts | 3700 Watts |
Noise Level | 58 dBA (50% load to 100% load) |
Fuel Type | Gasoline |
Tank Size | 3.5 gallons (13.2 liters) |
Run Time at 50% load | Up to 16 hours |
Dimensions | 24.5" x 17.6" x 20.3" |
Weight | 110 lbs (49.9 kg) |
Emissions | EPA and CARB Compliant |
User Rating | 4.6 out of 5 stars |
Warranty | 3 years |

Customers Experience
Customers' experiences with generators are listed below, and we have worked diligently to gather genuine positive and negative feedback from real users to understand their experiences comprehensively.
Positive Feedback
Negative Feedback
The DuroMax XP4500DX Gasoline Portable Generator is a reliable and versatile power solution for various applications. With 4500 starting and 3500 running watts, this generator is ideal for home backup power, outdoor activities, and job sites.
The XP4500DX features a robust engine and sturdy construction, ensuring durability and long-lasting performance. It operates at a relatively low noise level, making it suitable for use in different environments. The generator also has multiple power outlets for versatile use and a convenient electric start. With a 3-year limited warranty and EPA compliance, the DuroMax XP4500DX is a dependable option for those needing portable power.
Key Characteristics
Why We Selected This Generator
Starting Watts | 4500 Watts |
Running Watts | 3500 Watts |
Noise Level | 69 dBA (50% load to 100% load) |
Fuel Type | Gasoline |
Tank Size | 3.96 gallons (15 liters) |
Run Time at 50% load | Up to 11 hours |
Dimensions | 23.2" x 17" x 17" |
Weight | 105 lbs (47.6 kg) |
Emissions | EPA Compliant |
User Rating | 4.2 out of 5 stars |
Warranty | 3 years |

Customers Experience
Customers' experiences with generators are listed below, and we have worked diligently to gather genuine positive and negative feedback from real users to understand their experiences comprehensively.
Positive Feedback
Negative Feedback
User Buying Guide
Power Output and Wattage
When choosing the best 4500-watt generator, consider the power output and wattage needed for your devices. Make sure the generator can handle the starting watts and running watts of your appliances, from sensitive electronics to larger tools.
Run Time and Fuel Efficiency
Look for generators with long run times and fuel efficiency. A generator with a large fuel tank and efficient engine will save you money on gas and reduce the need for refueling. Longer run times also mean fewer interruptions during extended use.
Noise Level and Quiet Operation
A quiet generator is important, especially for RV use or residential areas. Check the noise level, measured in decibels (dBa), to ensure a comfortable experience. Many portable inverter generators offer quiet operation, making them ideal for various situations.
Portability and Size
Portability matters when moving your generator around. Opt for a generator with wheels, handles, and a compact design for easy transport and storage. A lightweight portable generator is ideal for camping, tailgating, or other outdoor activities.
Electric Start and Remote Start Features
Electric start and remote start features make it simple to power up your generator. These options save time and effort compared to manual recoil start systems. Some models even offer smartphone app control for added convenience.
Dual Fuel and CARB Compliance
Dual fuel generators run on gasoline or propane, giving you more flexibility in fuel choice. Propane often burns cleaner and has a longer shelf life than gasoline. Additionally, CARB-compliant generators meet strict emissions standards set by the California Air Resources Board, making them more eco-friendly.
Warranty and Customer Support
A generator with a solid warranty and responsive customer support ensures you have assistance if any issues arise. Look for a generator with at least a 1-3 year warranty and a company known for its helpful customer service.
By considering these factors, you'll be able to choose the best 4500-watt generator to meet your needs.
Frequently Asked Questions (FAQs)

In this section, we'll answer some common questions people have when shopping for the best 4500-watt generator. These FAQs will help you make a more informed decision.
What is the difference between an inverter generator and a regular generator?
Inverter generators produce cleaner power with less voltage fluctuation, making them ideal for sensitive electronics. Regular generators create more raw power, but they can be louder and less fuel-efficient.
How much run time can I expect from a 4500-watt generator?
Run time depends on the fuel tank size, engine efficiency, and power output. Most 4500-watt generators offer between 8-12 hours of run time at 50% load. Always check the manufacturer's specifications for accurate run time information.
Are these generators suitable for powering sensitive electronics?
Inverter generators are best for sensitive electronics, as they provide clean power with minimal voltage fluctuations. Regular generators may cause damage to sensitive devices due to unstable power output.
Can I use a dual fuel generator with both gasoline and propane?
Yes, dual fuel generators can run on both gasoline and propane. You can switch between fuel sources, allowing you to use whichever fuel is more convenient or available at the time.
How do I maintain my 4500-watt generator for a longer lifespan?
To maintain your generator, regularly check and change the oil, clean the air filter, and inspect spark plugs. Store your generator in a dry, cool place, and run it every few months to keep the engine in good condition. Always follow the manufacturer's guidelines for proper maintenance.
Summary
Throughout this blog post, we've highlighted the top 5 best 4500 watt generators that cater to a wide range of requirements. These incredible generators deliver exceptional power output, fuel efficiencies, and user-friendly features like quiet operation, portability, electric start, and dual fuel compatibility.
When selecting the best 4500 watt generator, it's essential to consider factors like wattage, run time, noise level, maintenance, and warranty. Additionally, consider your intended use for the generator, whether for backup power at home, outdoor events, or RV powering.
We encourage you to carefully compare the options, read customer reviews, and assess the pros and cons of each generator. Doing so lets you decide on the best 4500 watt generator tailored to your specific needs. With the right generator, you'll have peace of mind and reliable power during emergencies, outdoor adventures, or any situation where you need dependable electricity. Experience the difference a top-quality 4500 watt generator can make and enjoy the benefits of unstoppable power.