Champion 4000 Watt Generator Review

Whether you need a back-up generator at home in case of an emergency, or you are looking for one in your RV, the Champion 4000 watt generator may be a good option for you.

Before purchasing a generator, there are some things that you will need to know.

It will need to be capable of running what you need it to, and it also needs to be of a high-quality.

Champion Power Equipment is a leading company for providing power generation equipment.

The company has been around for many years so you can be confident that they have experience in providing reliable and durable power equipment. These products are designed and manufactured in the US and can be suitable for home, work, and adventure.

We will be reviewing the Champion 4000 watt generator and laying all of the information out for you to read.

Aspects such as quality, performance, and power are really important to consider, and we have combined all of our research into one place for your convenience.

Champion Power Equipment 100302 4000-Watt RV Ready Open Frame Inverter, Yellow

This generator has an advanced open frame inverter design and is 50% quieter and 20% lighter than the traditional Champion 3500 watt generator.

It also has an economy mode feature that saves fuel and extends engine life. It is great for RV’s or home back-up and can run for a long time, up to 17 hours on gasoline. 

This generator features quiet technology, and it provides clean electricity for sensitive electronics. It is ready for use and has a 120V 30A RV and two 120V 20A household outlets with clean power.

It also has a 12V DC outlet with a dual USB adapter. You can increase your power output by connecting a maximum of two 2800-watt or higher inverters or digital hybrids with the optional Parallel kit. 

This product comes with a three-year limited warranty with a free lifetime of technical support from dedicated experts. Included with the product are an oil funnel, battery charging cables, and a USB adapter.


  • Advanced open frame inverter design
  • It is 50% quieter and 20% lighter than the previous model
  • Runs for up to 17 hours on gasoline
  • Has multiple outlets for different purposes
  • Comes with a three-year warranty


  • Even though it is 20% lighter than the previous model, it is still quite heavy


These generators are a perfect size as they aren’t too big or too small, and they still manage to provide enough power.

Other generators of similar power output can be bulky and heavy, but this one is relatively lightweight, making it easier for portability.

It is perfect for use in an RV due to its size, and it can also be used at home as a backup generator in case of an emergency.

It can provide you with enough power to supply electricity during a power outage, and won’t let you down when you need it most.

Inverter Technology

Even though this generator has a more old-fashioned open-frame design, it still includes all of the advantages of inverter technology.

Standard generators only produce AC electricity, while inverter generators produce electricity in three phases; high-frequency AC to DC, back to a stable AC current.

This is considered a clean electricity source, meaning there is minimal harmonic distortion, which makes it a safer energy source for sensitive electronics. 

Sensitive electronics can include things like mobile phones, laptops, and other electronic devices. 

Generators can produce high levels of harmonic distortion, which can reach up to 25% total harmonic distortion, or THD, when going above 70% of the rated load. This generator will never exceed 3% THD, no matter the load. 

It also has other benefits that come with inverter generators like quiet and economy mode. This means that the generator can run quietly and also reduce fuel consumption at the same time.

You can run this model for 17 hours on a full tank of gasoline. 


This generator is more lightweight than other models, which makes it easier to transport. You will be able to move it easier to wherever it is needed.

However, there is no handle or wheels on this generator like some others, so you will have to lift it.

This could even become a job for two people if you struggle to lift it on your own.

While it is 20% lighter than previous models, it still isn’t the most lightweight generator available. It weighs 81.6 pounds, and some generators can weigh half of this amount.


While this is a 4000-watt generator, it runs continuously at 3500 watts, which is enough power for an RV, camping appliances, or even as a backup generator in your home.

You will need to check the amount of power that you need to run a specific appliance, but 4000 watts is usually enough to power lights, air conditioning units, and even a refrigerator.

This generator should be able to handle running multiple appliances at once. 

Parallel Ready

The Champion 4000 watt generator comes with a parallel kit that you can use in situations where you require more power than the generator can offer.

This allows you to connect two additional hybrids or inverters of up to 2800 watts. This can make your generator twice as powerful as it was before and will help you to power everything that you need.


This generator comes with a three-year limited warranty which shows that the company has confidence in its product. 


This generator is easy to use and has all of its controls located on one panel for simpler access. There are options like an economy mode that is straightforward to select and will save you power.

It even has an LED indicator that will let you know if the generator is being overloaded or if it is running low on oil.

Starting the generator requires the user to pull on a cord, which might be slightly more complicated than the simple ‘press to start’ buttons on other generators.

Where You Can Use the Champion 4000 Watt Generator

As with most portable generators, you can use it wherever you need to. The portable aspect makes it easy to use for camping to provide you with power when you need it.

This will make it easier for you to charge electronic devices that you might have with you, such as a mobile phone.

It can also provide you with a source of electricity for making food or powering lights when it gets dark. 

Construction workers usually need a lot of power on the go for their tools, and they might have to rely on a generator as they don’t always have a source of electricity where they are working.

This generator has enough power for equipment like drills, and the fact that it is lightweight makes it easier to move around when necessary.

Some may even choose to keep this generator in their homes in case there is ever a power outage. It is a good idea to have a source of backup power in your home in case of such an unavoidable situation.

The Champion 4000 watt generator can produce enough power to power a four-bedroom house.

It even produces clean electricity, so it is safe to use with more delicate appliances without breaking them.


The Champion 4000 watt generator exceeds expectations of generators and is able to supply you with an impressive amount of power.

It is a reliable power supply that can last for a long time and will keep your electrical appliances running when you need them most.

The portability of this product makes it more suitable for a wider variety of uses, and it is a great price for the high-quality generator that you will receive. 

The quiet aspect means that you can use this in your home, RV, or workplace without being interrupted by irritating noise.

There aren’t many negative points to consider, and this generator is great for most scenarios.

Frequently Asked Questions

Are Champion Generators Good Quality?

Champion generators rank high on the list of the best generators available on today’s market.

Their performance is outstanding, and they can run a variety of electronic appliances for a long time.

They are made of high-quality and durable materials that are going to last for many years, and they often come with a warranty. 

You can be assured that you are paying for a quality generator with Champion that is going to last a long time and cater to all of your needs.

How Many Appliances Can I Run At Once Using a 4000 Watt Generator?

A 4000-watt generator can run almost any electrical appliance that you need it to. This can range from household appliances to camping equipment to electrical tools.

Usually, a 4000-watt generator provides roughly 33.3 amps for 120 volts or 16.6 amps for 240 volts. 

To find out if you can run all of your appliances at once, you will need to check the power consumption of each appliance that you intend to power.

You will also need to check whether or not your generator has the right number and type of outlets as different appliances may need different outlets. 

I'm an environment and energy blogger who teaches outdoor and energy enthusiasts how to be better informed when it comes to purchasing or maintaining a generator, solar panel system, or anything else related to your energy needs.