Is Champion 8750 Inverter Generator Best for US Users?

In this article, I shared everything which is related to the Champion 8750 inverter generator including power ability, engine capacity, run time, fuel capacity, and fuel efficiency. Also, elaborating on each feature of the control panel, means you’ll get full knowledge about this dedicated machine so that you can make a decision whether it is perfect for you or not. I shared its pros and cons according to my experience.

My purpose in this review is to save my readers time and effort in searching for the best high-power inverter generator. So please keep staying with me on this journey.

Overview Champion 8750 Inverter Generator

The Champion Power Equipment 100520 8750W gas inverter generator is a versatile power solution designed to provide reliable electricity in various situations. This generator boasts an open-frame design and a push-button electric start, making it user-friendly and suitable for outdoor use.

One notable feature of the Champion 100520 generator is its open-frame design. While open-frame generators are relatively easy to service, they tend to be louder due to the lack of sound-dampening features compared to closed-frame generators. However, despite the open frame, this generator is still quieter than traditional portable generators of similar size. The open-frame design offers a trade-off between serviceability and noise level.

With a power output of 8,750 watts and a robust 420-cubic-centimeter engine, the Champion 8750 inverter generator can handle a variety of power-hungry appliances and devices. This makes it a versatile choice for powering your home during outages, running essential appliances, or supporting outdoor adventures where reliable power is needed.

This 8750 watt generator features inverter technology, which is a significant advancement in power generation. Inverter generators, including the Champion 8750 inverter generator, use combustion to convert fuel into electrical power. They share the commonality of using an alternator to generate alternating current (AC). However, what sets inverter generators apart is their ability to convert this AC power into direct current (DC) and then back into clean and stable AC power through a microprocessor.

The result is a consistent and high-quality electrical output suitable for powering sensitive electronic devices such as laptops, smartphones, and other technology. This clean power ensures that your valuable equipment remains safe from voltage fluctuations and surges.

Inverter generators are known for their efficiency. They employ variable speed technology, meaning that the engine can adjust its speed to match the power demands of your connected devices. When you add more load, the engine revs up to produce more power. While this may lead to a slight increase in noise when the generator is under heavy load, it ensures optimal fuel efficiency and reduces wear and tear on the engine.

Portable inverter generators like the Champion 8750 inverter generator are designed with mobility in mind. They are typically smaller and easier to move around than their non-inverter counterparts. This portability makes them ideal for various applications, such as camping trips, outdoor events, or emergency backup power at home.

What do I like in this model?

Power Consumption and Power Output

Champion 8750 Inverter Generator

The Champion 8750 inverter generator is a powerful and versatile unit designed to provide reliable power in various situations. Because this 8750-watt inverter generator is equipped with a 4-stroke, 420cc engine. This engine type is commonly used in generators and offers a good balance between power output and fuel efficiency. The 420cc engine size indicates its displacement, which plays a crucial role in determining the generator’s power generation capacity.

The generator boasts an impressive 8,750 starting watts and 7,000 running watts. These values are crucial for understanding the generator’s performance. Starting watts represent the peak power the generator can deliver for a brief moment to start appliances with high initial power demands, such as air conditioners or refrigerators. Running watts, on the other hand, indicate the continuous power output that the generator can sustain over extended periods.

In this case:

  • Starting Watts: 8,750 watts
  • Running Watts: 7,000 watts

These ratings make the Champion 100520 inverter generator suitable for powering a wide range of appliances, tools, and equipment, including heavy-duty devices like power tools or multiple household appliances during power outages.

The generator provides both 120 and 240 volts of electrical output. This dual voltage capability is advantageous as it allows you to power a variety of devices and appliances with different voltage requirements. Some appliances, like stoves and well pumps, may require 240 volts, while standard household appliances operate on 120 volts.

The inclusion of a 120-volt GFCI (Ground Fault Circuit Interrupter) outlet is a safety feature that is essential, especially in damp or outdoor conditions. GFCI outlets are designed to protect against electrical shocks by quickly cutting off power if they detect a ground fault or abnormal current flow. This feature ensures the safety of both users and connected equipment.

The Eco mode setting is a valuable feature for improving fuel efficiency and reducing noise levels. When this Champion 8750 inverter generator is in Eco mode and there is no or low electrical load, the engine idles, consuming less fuel and generating less noise. This is especially useful during periods of non-use or when the power demand is minimal. When the electrical load increases, the generator’s engine speed automatically returns to normal to provide the necessary power continuously.

Fuel Economy and Type

The Champion 8750 inverter generator is designed to operate using regular unleaded gasoline with an 87-octane rating. This is a common and readily available type of gasoline, making it convenient for users to refuel the Champion gas powered generator without the need for specialized or premium fuels. The use of regular unleaded gasoline is cost-effective and accessible for most consumers.

This model is equipped with a 4.2-gallon fuel tank. The tank capacity is an important factor to consider, as it determines how long the generator can run before requiring refueling. In this case, the 4.2-gallon tank provides a significant amount of fuel storage, allowing for extended operation without frequent refills.

Another admirable feature of this Champion inverter generator is its Eco mode, which is designed to optimize fuel consumption and reduce noise levels. At 25% load, this generator can run for approximately 10.5 hours on a full 4.2-gallon tank of gasoline when in Eco mode. This extended run time is particularly advantageous for situations where continuous power is required for an extended period without the need for frequent refueling.

Proper engine maintenance is essential for the longevity and reliability of any generator. The Champion 8750 watt gas power inverter generator requires an engine oil with a viscosity rating of 10W-30. It has a 1.2-quart engine oil capacity, which is the amount of oil required to properly lubricate and cool the engine. Users should ensure that they use the recommended oil type and maintain the oil level within the specified range to keep the generator operating smoothly.

Control Panel and Outlets

Champion 8750 Inverter Generator

The control panel of the generator is designed for user-friendliness and ease of use. Champion refers to it as the “Quick Touch Panel” due to its straightforward design.

1. Intelligauge: The Intelligauge on the control panel provides essential information to monitor the generator’s performance. It displays:

  • Frequency and Voltage: These readings are crucial for ensuring that the generator is providing the correct power output, especially for sensitive electronics and appliances.
  • Session Run Time: This feature helps users estimate fuel efficiency and determine how long the generator can run on a tank of gas, aiding in power management during extended outages.
  • Total Run Time: This information is essential for scheduling maintenance and ensuring the generator remains in good working condition.

2. Outlet Configuration: The outlets on the generator are covered and include:

  • 12-Volt DC Automotive-Style Outlet: This outlet is handy for charging automotive batteries and powering devices that require a 12-volt power source.
  • Four 120-Volt, 20-Amp GFCI Outlets (5-20R): These GFCI outlets are suitable for powering household appliances and devices safely, providing protection against electrical faults.
  • 120/240-Volt, 30-Amp Locking Outlet (L14-30R): Designed for RV use, this outlet allows you to power your travel trailer and offers versatility for different power needs.
  • Dual USB Adapter: While the generator lacks built-in USB ports, it includes a dual USB adapter that fits the automotive-style outlet, making it convenient for charging USB devices.

3. Additional Panel Features:

  • Electric Start: The electric start feature simplifies the process of starting the generator, enhancing convenience.
  • Eco Mode Switch: Eco mode optimizes fuel consumption by adjusting the engine speed based on the load, resulting in quieter and more fuel-efficient operation.
  • Output Indicator: This indicator lets you know when the generator is actively producing power.
  • Overload Indicator: It alerts you if it’s experiencing an overload, helping to prevent damage to the unit and connected devices.
  • AC Overload Reset Button: This button allows you to reset the generator in case of an overload condition.
  • Low-Oil Indicator: Ensures that you are aware when the generator’s oil level is low, preventing engine damage.
  • Fuel Valve: The fuel valve provides control over the fuel supply, allowing you to turn it on or off as needed.
  • Built-In Fuel Gauge: A fuel gauge provides a quick visual reference of the fuel level, aiding in fuel management.
  • Circuit Breakers: Circuit breakers are essential for resetting and protecting the generator in case of electrical faults or overloads, ensuring safe operation.


The Champion 8750 inverter generator offers a commendable level of portability in comparison to other models of the same wattage class. Its design prioritizes a reduced weight and a more compact frame, making it relatively easy to transport and store for its power output capabilities. However, it’s essential to delve deeper into the various aspects of its portability, including its weight, handle design, and the included wheel kit, to understand the full extent of its mobility features.

Weighing in at 155 pounds, the Champion 8750-watt generator is undoubtedly lighter than many traditional generators with similar power output. This reduction in weight is a significant advantage, especially when considering its output capacity of 8750 watts.

The smaller frame size further enhances its portability, as it takes up less space during transportation and storage, a valuable feature for those with limited storage or transportation options.

The presence of a handle on the generator greatly improves its ease of movement. The handle serves as a pivotal feature for users who need to transport the generator across various terrains. Whether it’s rough terrain or a smooth surface, the handle provides a secure grip, allowing users to maneuver the generator with relative ease. This feature is particularly beneficial for individuals who may need to move the generator frequently.

Another feature that I liked in terms of portability is the included wheel kit. Champion advertises these wheels as “never-flat tires,” which is a notable selling point. “Never-flat” tires are designed to withstand challenging conditions without going flat, ensuring the generator remains mobile even in rugged environments. However, customer feedback indicates that these wheels are made of plastic, which may have some implications for their performance.

Customers have reported that while the plastic wheels do offer durability in terms of not going flat, they might not provide the smoothest mobility experience.

Some users have noted concerns about the plastic wheels’ ability to support the generator’s weight adequately, suggesting that they can bow out under the load.

This feedback underscores the importance of considering the wheel kit’s overall weight distribution and design to ensure the generator remains stable during transportation.


Champion’s generator warranty is a three-year limited warranty that comes into effect from the date of purchase and covers mechanical and electrical material and workmanship defects.

It’s important to note that this warranty includes a fair use policy, which means it doesn’t apply to issues arising from normal wear and tear.

Additionally, the warranty does not cover damage resulting from overloading the generator, any modifications made to the machine, misuse, improper electrical connections, incorrect assembly, or poor maintenance.

Users are expected to use and maintain the generator correctly; otherwise, Champion won’t cover any resulting damage. Consumable items like filters and O-rings are not covered, and neither are accessory parts like storage covers and starter batteries. Cosmetic problems such as paint or decal defects are also excluded from warranty coverage.

Furthermore, problems caused by using non-original Champion parts are not covered. Lastly, Champion explicitly states that inverters and generators used for prime power purposes are not eligible for warranty coverage, emphasizing the importance of adhering to their recommended usage guidelines.

What do I dislike about this electric machine?

As with many other generators, this one is also not 100% perfect for every user who needs it. However, it also has some disadvantages which I am going to share with you. It’s essential to consider these drawbacks that users may find when evaluating this particular generator.

One of the primary concerns with the Champion 8750 inverter generator is its noise output. The open frame design, while beneficial for portability and ease of maintenance, lacks insulation. Consequently, this generator can be relatively noisy, especially when compared to some other generators on the market.

Champion acknowledges this by describing it as slightly louder than a vacuum cleaner. However, it’s important to note that this noise level is often measured in Economy mode. When subjected to higher loads, the noise can increase, though it still tends to be quieter than some traditional portable generators with similar power output.

Another aspect that some users may dislike about this generator is its impact on the environment. Traditional portable generators, including the Champion 100520, typically run on gasoline or propane, contributing to emissions and noise pollution. Users who prioritize eco-friendliness may find this aspect disappointing. They might opt for alternative power sources like solar generators or inverters with lower emissions and noise levels.

While the Champion 8750 inverter generator is efficient in terms of power generation, its fuel consumption can be a drawback for some users. Generators like this one may consume a noticeable amount of fuel, especially when running at higher loads. Users in regions with expensive or limited access to fuel may find this less cost-effective.

Compared to some high-end generators, the Champion 100520 may lack certain advanced features such as remote start, digital displays, or fuel-efficiency modes. Users looking for more sophisticated and convenient features might be disappointed.

My Verdict

The Champion 8750 inverter generator is a versatile and powerful generator that offers impressive fuel efficiency in Eco mode, ensuring a long runtime on a single tank of gas even at low loads. With its substantial wattage, it can effortlessly handle work site projects and power multiple large home appliances, including central air systems. Despite its weight, it remains relatively light for its capacity, making both transportation and storage manageable. The open-frame design facilitates easy maintenance, including oil changes, adding to its appeal.

Additionally, the built-in fuel gauge provides convenient fuel level monitoring, and the automatic shut-off for fuel depletion and low-oil protection are significant safety features, preventing accidental damage. Notably, the inverter is CARB-compliant and EPA-certified, meeting environmental standards.

However, it’s important to note that the main drawback of this otherwise impressive machine is its noise level. The open-frame design, while advantageous for serviceability, does result in higher noise levels, particularly when operating at higher loads. Despite this, when compared to a traditional 7,000-watt portable generator, the Champion 100520 remains relatively quiet.

If you value power, efficiency, and ease of use in a generator but can tolerate the noise level, the Champion 100520 is an excellent choice for both work and home applications. Take action now and consider your specific needs to determine if this generator aligns with your requirements for dependable and versatile power generation.

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