Champion 100520 Review – Is this Portable Generator Worth It?

The manufacturer of this fantastic generator, Champion Power Equipment, was established in 2003. It is a market leader in the power equipment and generator industries. Among the core expertise areas are portable generators, snow blowers, log cutters, chipper shredders, and other tools.

However, Champion power equipment took a step further with the Champion power equipment 100520 generator in terms of quality, durability, clean power, and much more. With unmatched advantages including quiet technology, clean power, extended engine life, and many more, this watt open frame inverter generator delivers a cutting-edge advanced power solution.

Champion 100520 Review
Champion 100520 Inveter Generator
9.4Expert Score
Excellent 8,750 -watt Portable Generator

The Champion 100520 is a powerful portable inverter generator that can provide reliable and clean power for a variety of applications. It produces up to 3,400 watts of peak power and runs on gasoline, making it an ideal choice for food truck owners who need to ensure their business stays running no matter what, or homeowners who require dependable backup when the electricity fails. With two 120V 20A AC outlets, one 12V DC outlet, and a USB port, the Champion 100520 is capable of powering fridges, lights, TVs and other appliances in your home or recreational vehicle. And its lightweight design makes it easy to move around and transport. Additionally, this model is CARB compliant which means it is approved for use in all US states that have adopted California Air Resources Board emission standards.

Noise Level
Fuel Economy
Overall Value
  • Inverter
  • Electric start
  • GFCI Outlets
  • Inexpensive
  • Several accessories included
  • Lightweight For its type: 149 lbs
  • EPA-Approved and CARB-Compliant
  • Low Noise Levels
  • No Remote Start
  • No Parallel Ports
  • Low Run Time

Champion 100520 Review – Is It Worth It?

The Champion 100520 is the answer if you are seeking a stylish digital hybrid inverter generator that offers a comprehensive cost-effective solution with extended engine life to backup power. This Champion Power Equipment watt open frame inverter generator should be your finest option if you require an outdoor generator that is quieter and 25 lighter than a traditional mobile generator.

In this review, we’ll take a comprehensive approach to all there is to know about the generator, from its specifications to its functional aspects to its frequently asked questions. Let’s get started reviewing this incredible generator.


Champion 100520 Control Panel &Amp; Outlets
Champion 100520 Generator Control Panel

Here are the specifications for the generator:

Generator Specifications:

Wattage: 8750 starting watts and 7000 running watts

Engine: 420cc Champion OHV engine

Outlets: (4) 120V 20A household outlets, (1) 120V/240V 30A twist-lock outlet, (1) 12V DC automotive-style outlet, (1) dual USB adapter.

Fuel Tank Capacity: 4.2-gallon fuel tank

Operating hours: Up to 10.5 hours at 50% load.

Weight: 155.4lb. (70.5kg)

Dimensions: 26.6×25.6×23.7 inches

Two 8 inch never flat tires.

Noise level: About 72dB

Engine Specifications:

Type: 420cc Champion OHV engine

Electric Push Button Start: Yes (with electric start battery included plus battery charging cables)

Recoil Start: There is a Recoil backup for manual starting

Oil Capacity: 1.2 quarts

Oil Specification:

Type: 1oW-30

Capacity: 1.2 quarts

Fuel Specifications:

Type: Unleaded gasoline

Capacity: 4.2-gallon fuel tank

Temperature Specifications:

Operating Temperature (deg F/deg Celsius): 5 to104/-15 to 40

Storage Temperature: It is preferable to store it within the operating temperature range, but if it was exposed to temperatures outside of this range while being stored, it should be returned to this range before being used.

Note: These specifications are subject to change, and it is always best to consult the owner’s manual or the manufacturer’s website for the most accurate and up-to-date information.

Champion 100520 420cc Engine Review

This generator is powered by Champion’s reliable 420cc engine. This engine is designed to provide reliable, high-performance power for a variety of applications. Here are some key features of the 420cc engine:

OHV (Overhead Valve) design: This design provides a more efficient burn and helps to extend the life of the engine.

Cast iron cylinder sleeve: The cast iron sleeve provides added durability and helps to protect the engine from wear and tear.

Electric Start: The electric start makes it easy to start the engine, even in cold weather or when the battery is low. This is powered by a “push-button electric start”.

Auto voltage regulation: This feature helps to ensure that the generator provides stable, consistent power to connected loads.

Large fuel tank: The large fuel tank provides up to 10.5 hours of run time at 50% load.

In general, 420cc engine is a powerful, dependable engine that provides reliable power for a variety of applications.

Assembling a New Champion 10052 Portable Generator

The assembly process for a new Champion 100520 portable generator may vary slightly based on the specific model and accessories included with your purchase. However, in general, the following steps may be involved:

1. Unpack the generator and all its components from the shipping box.

2. Assemble the handle and wheels (the 8in never flat tires) if they were disassembled for shipping.

3.  Attach any accessories, such as an oil funnel or spark plug wrench, that were included with your purchase.

4. Fill the generator with the recommended type and amount of oil, if needed.

5. Fill the fuel tank with gasoline, making sure to follow the manufacturer’s guidelines for fuel type and capacity.

6. Check the oil and fuel levels to ensure they are at the proper levels before starting the generator.

7. Review the owner’s manual and familiarize yourself with the generator’s controls and operating procedures.

It is important to follow the manufacturer’s instructions and guidelines for assembling the generator to ensure safe and proper operation. If you encounter any difficulties during the assembly process, it may be helpful to contact the manufacturer or a qualified technician for support.

Operational Features of Champion 100520 Watt Open Frame Inverter Portable Generator

Champion 100520 Inverter Features
Champion 100520 Inverter Features

 Below is a review of some operational features of the generator that you can take advantage of and maximize the use of your generator:

Eco (Economy) mode

An economy mode can be activated by turning on a switch on the generator. Turning on the Eco mode switch automatically activates the built-in capability of the generator’s higher fuel economy.

Its Eco mode is efficient at automatically adjusting engine speed to save fuel and reduce noise. The economy mode also enables the engine to go into idle mode when it is not in use and returns to normal engine operating speed when an electrical load is connected.

Caution: Always turn off the economy mode switch when there is a high electrical load connected or when there are momentary fluctuations.

Digital Hybrid Open Frame

The Champion 100520 generator has a digital hybrid design, which is a combination of digital technology and traditional generator design. The digital hybrid open frame design is characterized by the following features:

Inverter Technology: Inverter technology is used by the generator to convert DC power into clean power that is safe for sensitive electronics.

Digital Control Panel: The generator features a digital control panel that makes it simple to monitor its operation by showing data such as the power output, fuel level, and other items.

Intelligent Fuel Management System: With the help of a sophisticated fuel management system, the generator can regulate engine speed to save fuel and quiet the unit.

Advance Circuit Design: The innovative circuit design of the generator guarantees a steady, safe clean power supply and offers defense against voltage surges and spikes.

The digital hybrid open frame design offers a combination of efficiency, reliability, and versatility that make it a popular choice for portable power solutions.

Quiet Technology Intelligauge Economy mode

It is a four-mode digital meter that uses an LCD built into the generator for monitoring some parameters of the generator. The parameters that display their values are output voltage (V), frequency (Hz), run time (H), and total run time (H).

The voltage and frequency values correspond to the instantaneous output values at the time of checking. The operating hours give the run time of the generator for the current session while the total run time hours give the total run time of the generator since the first operation.

You can access each parameter on the LCD by operating the button below the display.

Starting Watts and Running Watts

The starting wattage is 8750 watts, and it has a 7000 running watt capacity. The running watts of a generator is the continuous power it can create, whereas the starting watts relate to the maximum amount of power it can produce for a brief period.

Operating Hours

The operating hours will depend on various factors, such as the load being placed on the generator, fuel type, availability, temperature, and maintenance. However, in general, the runtime for this generator is rated at up to 10.5 hours at 25% load with a full tank of gasoline (4.2-gallon fuel tank). Keep in mind that actual operating hours with ease may vary based on usage conditions.

Operating Champion 100520 at a High Altitude

The generator’s performance may be affected if used at a high altitude since the thinner air at these altitudes can reduce the engine’s capacity to generate power. At high elevations, the amount of oxygen that is available for combustion may be limited, which could affect the engine’s performance. Listed below are some pointers for using the generator at high altitudes:

Use a high-altitude kit if it’s available: If the generator has a high-altitude kit, use it as instructed to get the best performance possible at high altitudes.

Monitor the Generator’s Performance: Keep a close eye on the generator’s performance at high altitudes, and make any necessary adjustments to make sure it is running smoothly and effectively.

Use fresh fuel: To avoid stale fuel clogging the carburetor and impairing the efficiency of the generator, use fresh fuel and apply a fuel stabilizer.

Regularly check the oil level: To guarantee that the engine has enough lubrication to run smoothly at high altitudes, check the oil level frequently and add oil as necessary.

Store the generator in a well-ventilated place: To avoid the buildup of harmful fumes, store the generator in a well-ventilated area when not in use.

It is critical to adhere to the manufacturer’s recommendations and instructions when using the generator at a high altitude.

Benefits of Embedding cold start technology in Champion Power Equipment 8750

Cold start technology in the Champion 100520 generator refers to the system’s ability to quickly start generating power even in low temperatures. This technology is designed to overcome the issue of reduced battery performance and slow cranking speed in cold weather, which can make it difficult or impossible to start traditional generators. Cold start technology ensures that the generator can start quickly and easily, even in below-freezing temperatures, ensuring that there is no power outage even during cold weather.

How Champion Power Equipment 100520 8750 Produces Clean Power

The Champion Power Equipment 100520 8750 generator produces clean power through the use of an inverter system. An inverter generator works by taking the DC power produced by the generator’s alternator and converting it into AC power, which is then regulated to produce a clean and stable sine wave output. Sensitive electronics such as computers and televisions that take only clean power for optimal performance are the best beneficiary of this technology, as it reduces the risk of damage or interference caused by voltage spikes, fluctuations, or harmonic distortion. The Champion 100520 8750 is equipped with an advanced inverter system that provides clean and stable power, making it an ideal solution for powering sensitive electronics in a variety of settings.

Safety Features Built into Champion 100520 Portable Generator

It has several safety features that are intended to safeguard both the operator and the generator. Key safety features built into it are reviewed below:

Automatic Voltage Regulation: The automated voltage control, which helps to maintain constant and stable power output and lowers the danger of harm to connected equipment and appliances, is one safety feature of the Champion power equipment. To prevent damage to the engine, the generator also incorporates a low oil shut-off feature that instantly stops the engine when the oil level drops too low.

GFCI (Ground Fault Circuit Interrupter): Ground Fault Circuit Interrupter (GFCI) protected household outlets are included with the generator. This outlet is intended to help guard against the risks of electrical shock. GFCI-protected household outlets have the following salient characteristics:

Protection against electric shock: The GFCI outlet is made to immediately identify and cut off any electrical current that is flowing outside of a typical circuit, which can help to protect against electric shock.

Increased safety: The GFCI outlet offers an additional layer of defense against electrical risks, assisting in the creation of a more secure working environment.

Champion 100520 Inverter Uses
Champion 100520 Inverter Uses

Easy to use: The GFCI outlet is simple to use, runs automatically, and doesn’t require any specialized knowledge or abilities to use.

The Champion 100520 has a GFCI outlet, which is a useful safety feature that helps guard against risks of electrical shock. The owner’s manual or getting with the manufacturer for guidance may be beneficial if you have any queries or worries about the GFCI outlet.

Additionally, it has a durable frame with a fuel tank that is designed to withstand rough use and transport. The generator is also equipped with a fuel gauge and an easy-to-read control panel, making it easy to monitor fuel levels and other important operational information.

Generally speaking, this Champion power equipment is built with safety in mind and comes with features that serve to guarantee safe and dependable operation.

What can the Champion 100520 Power?

The Champion power equipment 100520 8750-watt digital hybrid open frame inverter generator can power a range of electrical equipment. The following are some examples of what the generator can power:

1. Household appliances, such as lamps, fans, televisions, and refrigerators.

2. Power tools, such as drills, saws, and compressors.

3. RVs and camping equipment, including heaters, refrigerators, and air conditioners.

4. Outdoor tools like pumps and pressure washers.

It is important to remember that the actual power output will vary depending on a number of variables, such as the load placed on the generator and the general health of the engine and its parts. It is also crucial to determine the electrical requirements of the appliances and devices you intend to power before utilizing the generator and to confirm that the generator can handle those requirements.

Built-in Features for Quick Maintenance

The Champion 100520 generator is designed with several features to make maintenance quick and easy. Some of the key maintenance features built into this generator include:

Quick drain oil tube: A valve or hose that allows for fast and easy draining of the generator’s oil without the need for tools or special equipment.

Intuitive control panel: A control panel that is easy to use and understand, making it simple to monitor the generator’s performance and adjust settings as needed.

Easy-access air filter: An air filter that is easily accessible and simple to replace, helping to ensure that the generator’s engine is protected from debris and dust.

Maintenance-free battery: A battery that is maintenance-free, meaning that it doesn’t need to be checked or charged, making it one less thing to worry about.

Fuel shutoff valve: A fuel shutoff valve that allows the generator to run until all the fuel in the carburetor has been consumed, helping to reduce the risk of stale fuel-related issues during storage.

 Push button power: By employing it to conveniently control power outages, electrical push button power enables maintenance professionals to assess the status of their work on the generator rapidly.

These features help make it easy and convenient to perform regular maintenance on the Champion 100520 generator, ensuring that it continues to perform at its best for many years to come.

How champion 100520 generator offers cost-effective power solutions

The Champion 100520 generator offers cost-effective power solutions in several ways:

Fuel efficiency: This generator is designed to operate efficiently, consuming less fuel than comparable models. This helps reduce operating costs and saves money over time.

Durability: The Champion 100520 generator is built to last, with high-quality components and sturdy construction that can withstand heavy use. This helps minimize the need for repairs and replacements, reducing long-term costs.

Easy maintenance: As mentioned earlier, the generator has features designed to make maintenance quick and easy, reducing the need for costly repairs and professional services.

These cost-saving features, combined with the generator’s performance and reliability, make the Champion 100520 generator a cost-effective power solution for many users.

Troubleshooting Faults in Champion 100520 8750 watts open frame

Here are some typical issues with the Champion 100520 8750-watt generator and how to fix them:

Engine won’t start:

Check the fuel level and add fuel if necessary.

Check the oil level and add oil if necessary.

Check the spark plug, and if necessary, replace the spark plug.

You should also check the air filter and clean or replace it as needed.

Engine runs poorly:

Check the fuel level and add fuel if necessary.

Check the oil level and top oil if necessary.

Check the air filter and clean or replace it as needed.

Check the spark plug and replace it if needed.

Generator won’t produce any electricity:

Check the circuit breaker and reset it if tripped.

Check the wiring and connections for any loose or damaged connections.

Check the voltage selector switch and set it to the correct position.

Generator produces low voltage:

Check the power consumption on the generator and reduce the electrical load if necessary.

Check the wiring and connections for any damaged or loose connections.

If you are unable to fix the problem, it can be useful to refer to the owner’s manual or get in touch with the manufacturer for more advice. They might be able to point you in the direction of an experienced expert for repair or offer you other troubleshooting procedures.

How the Champion 100520 Portable Generator Compares with its Competitors Based on Customer Reviews

The Champion 100520 8750-watt open-frame inverter generator can be compared to other similar portable generators in terms of its features, performance, and price. Here are some key factors to consider when comparing it with its competitors:

Power Output: The Champion 100520 has a maximum output of 8750 starting watts and 7000 running watts, making it capable of powering a variety of appliances and electrical devices. This is comparable to many other portable generators in its class.

Engine: The 420cc Champion OHV engine is known for its durability and reliability, making it a strong competitor in the portable generator market.

Fuel Efficiency: The 4-gallon fuel tank provides up to 10.5 hours of run time at 25% load, making it one of the more fuel-efficient portable generators on the market.

Outlets: The generator is equipped with a variety of outlets, including four 120V 20A household outlets, one 120V/240V 30A twist-lock outlet, and one RV outlet (120V 30A). This is comparable to many other portable generators in its class.

Price: The Champion 100520 is priced competitively compared to other portable generators in its class.

Warranty: The Champion 100520 comes with a 3-year limited warranty, which is comparable to the warranties offered by many other generator brands, but with unmatched free lifetime technical support.

It is important to note that the actual performance of the Champion 100520, as well as its competitors, will depend on a variety of factors, including the load or power consumption on the generator, the overall condition of the engine and components, and the altitude at which the generator is being used.

The Champion Power Equipment 100520 8750-Watt Open Frame Inverter Generator is 30% quieter and 25% lighter than a traditional 7000-watt portable generator. Powering your life takes on a whole new meaning with our feature-packed innovative technology and design. We cut the noise level in half by...
$1,149.00 $1,299.00
Champion Power Equipment 8750-Watt Open Frame Inverter With Electric Start
A quiet, lightweight, and cost-effective power solution, this inverter is smaller, quieter, lighter…BETTER! This inverter has a noise level of 72 dBA from 23 feet, which is a bit louder than a vacuum.
100520- 7000/8750W Champion Open Frame Inverter, Electric Start

Frequently Asked Questions

What are the advantages that economy mode offers to champion power equipment 100520 8750 generators?

1. Economy mode saves fuel and improves fuel efficiency

2. Economy mode monitors power, thereby helping the generator to reduce wear and tear and conserve fuel.

3. Economy mode regulates the engine’s operating speed, providing quieter operation and making the generator ideal for quiet outdoor activities.

Does the generator come with a warranty and free lifetime technical support?

Yes, the generator comes with a 3-year limited warranty and free lifetime technical support.

Is the generator loud?

Quieter operation is guaranteed when eco mode is on. The generator’s noise level is significantly lowered in this working mode, making it perfect for providing quieter operation.

What is the weight of the generator?

The weight of the Champion 100520 generator is approximately 131 pounds.

What kind of oil should be used in the generator?

The generator’s manual recommends using 10W-30 motor oil.

How does the generator compare to its competitors?

The Champion 100520 portable generator offers a good balance of power, fuel efficiency, and affordability, making it a popular choice among consumers.

However, individual experiences with the generator can vary widely depending on factors such as usage patterns, maintenance practices, and environmental conditions.

How does the generator’s GCFI (Ground-Fault Circuit Interrupter) work?

The GCFI is a safety feature that protects against electrical shocks and reduces the risk of electrocution by interrupting the circuit when it detects a ground fault.

The GCFI in the Champion 100520 portable generator is designed to shut off the generator automatically in the event of an electrical shock or ground fault.

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Skyler is an outdoor adventurist and avid RV-Fan. He loves to explore the world and all its beauty, but he's just as happy relaxing at home with his family. His favorite pastime is taking weekend trips in his RV with his wife and kids, where they can get away from it all and enjoy nature. He’s also a self-proclaimed expert on all things portable generators and can often be found reviewing the latest models on our website.

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