The 7 Best Large Portable Generator Of 2024, Researched By Us

Katie Finn By, Katie Finn
Best Large Portable Generator
Best Large Portable Generator

Our Top Picks

1. Best Overall: Westinghouse WGen9500DF Generator

The Westinghouse WGen9500DF Generator offers robust power and versatile fuel options. It's perfect for keeping your home, travel trailer, or job site energized. Read Review

2. Best For The Price: DuroMax XP13000EH Generator

The DuroMax XP13000EH Generator delivers powerful performance and dual fuel capability. It's designed to ensure your home or job site remains powered during outages or emergencies. Read Review

3. Best Durable: Pulsar G12KBN Generator

The Pulsar G12KBN Generator is a powerful and reliable source of backup power. With 12,000 peak watts and 9,500 rated watts using gasoline or 10,800 peak watts and 8,550 rated watts using LPG, this generator can provide ample energy for your needs. Read Review

4. Best Technology: Champion Power Equipment Generator

The Champion Power Equipment Generator is a reliable and powerful portable generator perfect for camping, tailgating, or as a backup power source for your home. With various outlets, you can easily power any appliances and equipment. Read Review

5. Best Powerful: A-iPower SUA12000E Generator

Experience unparalleled power and reliability with the A-iPower SUA12000E Generator, perfect for your home, worksite, or outdoor adventures, providing robust and consistent energy to meet all your demands. Read Review

A reliable portable generator is essential for many scenarios, from powering tools on a job site to ensuring your home stays lit during an outage. While smaller models are convenient for camping and tailgating, sometimes you need the robust power that only a large portable generator can provide.

Today's large portable generators have impressive features, such as extended runtime, multiple device outlets, and advanced safety systems. Whether you want to keep your appliances running during a storm or need a dependable power source for outdoor events, the right generator can make all the difference. Navigating the vast selection available on Amazon, Home Depot, and other retailers can be overwhelming. At Kris Van Assche, we’ve selected numerous models to bring you the top picks for the best large portable generators in 2024. 

Following extensive study and analysis, We think the best large portable generator of 2024 is Westinghouse WGen9500DF Generator. This dual-fuel generator can run on gasoline and propane, offering flexibility depending on availability and convenience. However, it is not the only thing on our list. We also show a full buyer's guide; several options are available to help you find the most suitable.

Our Top Picks

TOP Choice #1 Westinghouse WGen9500DF Generator
Our Score:

The Westinghouse WGen9500DF Generator is a powerhouse, producing up to 12,500 peak watts and 9,500 running watts. This dual-fuel generator can run on gasoline and propane, offering flexibility depending on availability and convenience. It features a robust 457cc 4-Stroke OHV Westinghouse Engine with a durable cast iron sleeve, ensuring longevity and reliability. With a 6.6-gallon gas tank, it provides up to 12 hours of runtime, ideal for prolonged power needs.

Starting the generator is a breeze with the Push-Button Electric Start and the remote start key fob allows for operation from a distance. The user-friendly control panel features Transfer Switch Ready L14-30R and 14-50R outlets to power major appliances easily. The VFT Data Center also informs you with real-time updates on volt output, frequency, and lifetime hours, simplifying maintenance. Although it is relatively heavy, the included wheels and handles make transportation manageable, offering a solution for easy mobility.

This generator is perfect for homeowners looking for a dependable power backup during outages, RV enthusiasts needing reliable energy on the road, and contractors requiring a robust power source at worksites. Its dual-fuel capability and easy portability make it versatile for various scenarios.

TOP Choice #2 DuroMax XP13000EH Generator
Our Score:

The DuroMax XP13000EH Dual Fuel Generator is a top-tier power solution, offering a formidable 13,000 watts to keep your entire home running smoothly during power outages. Renowned for its dual fuel technology, this generator can operate on both gasoline and propane, providing flexibility and convenience.

At the heart of this generator is a robust DuroMax engine designed for exceptional power and durability. The push-button start and front-facing interface make it easy to switch fuel types, while the wide array of outlets, including a transfer switch-ready 50 amp outlet, ensure compatibility with various appliances and tools. Constructed with a heavy-duty all-metal frame and power panel, this generator is built to withstand harsh weather and heavy usage. The only downside is that it is a bit noisy when operating, but it is not a big deal.

This generator is ideal for those who need a high-powered solution for home backup during severe weather or power outages. It's also perfect for outdoor enthusiasts who require reliable energy for RV trips and for professionals needing a durable power source on demanding job sites. 

TOP Choice #3 Pulsar G12KBN Generator
Our Score:

The Pulsar G12KBN Generator has an impressive 12,000 peak watts and 9,500 rated watts when using gasoline. For those opting for LPG, it delivers 10,800 peak watts and 8,550 rated watts. This generator guarantees reliability and longevity, powered by a robust 457cc, single-cylinder, 4-stroke, air-cooled OHV engine. The electric start feature simplifies the operation, while the durable powder-coated frame provides protection and durability.

With an 8-gallon fuel tank, the generator offers up to 12 hours of continuous operation at half load on gasoline, ensuring you stay powered for extended periods. It also provides ample connectivity options for various appliances, tools, and devices. The generator’s convenient drop-down handles and 10” never-flat wheels enhance mobility, making it easy to transport and store. Nevertheless, it can have a slight leak, so you need to use it carefully.

The Pulsar G12KBN Generator is ideal for homeowners needing a reliable power source during outages and outdoor enthusiasts who require portable energy for camping trips. Its extensive outlet options and prolonged operational time suit diverse power needs and situations.

4 Champion Power Equipment Generator
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Champion Power Equipment

The Champion Power Equipment Generator delivers dependable power with its 4375 starting and 3500 running watts, making it ideal for home essentials during outages and for RV use. The wireless remote start is a standout feature, allowing easy operation up to 80 feet away. This generator is designed with a 208cc Champion single-cylinder OHV engine that can handle demanding power tools and appliances.

Champion’s Cold Start Technology ensures quick starts in cold weather, while the Intelligauge monitors voltage, frequency, and operating hours, providing crucial information at a glance. With a 4.7-gallon fuel tank, it offers up to 12 hours of runtime at 50% load, making it a reliable companion for extended use. Nonetheless, the dipstick is a bit puny and hard to read.

The Champion Power Equipment Generator is perfect for RV owners, homeowners seeking reliable backup power, and DIY enthusiasts needing portable power for projects. Its wireless remote start, variety of safety features, and extended runtime make it particularly suitable for those who value convenience and reliability in a generator.

5 A-iPower SUA12000E Generator
Our Score:

The A-iPower SUA12000E Generator has 12,000 starting and 9,000 running watts, ensuring it can handle anything from powering construction tools to running your home appliances smoothly. Its robust 459 cc OHV 4-stroke engine is designed with longevity in mind, featuring a low oil alert light and automatic shutdown to prevent damage and maintain performance over the years. The large 7-gallon fuel tank offers an average runtime of 7 hours at full load and up to 9 hours at 50% load. Starting the generator is a breeze with its electric start capability, providing convenience and ease of use whenever power is needed.

Safety and versatility are paramount with the A-iPower SUA12000E. Each outlet is protected by rubber covers, adding an extra layer of safety against dust and debris. One minor drawback is that it may consume a significant amount of fuel, especially at higher loads. This can be managed by running it at partial loads whenever possible to extend fuel efficiency.

 The A-iPower SUA12000E is ideal for those needing a powerful and reliable generator for diverse applications. Its advanced safety features and convenient electric start make it suitable for both professionals and DIY enthusiasts alike.

6 Powermate PM9400E Generator
Our Score:

The Powermate PM9400E Generator is designed for convenience and reliability, featuring a one-touch electric start that allows you to power up effortlessly with just a push of a button. Powered by a robust 420cc Generac OHV engine, the PM9400E delivers consistent and reliable power, ensuring your tools, appliances, and devices run smoothly. Unfortunately, it may take a bit longer to start in very cold weather. 

Mobility and maintenance are made easy with the inclusion of 10" never-flat wheels, allowing for effortless transportation to different locations. Additionally, the hour meter helps track run time and maintenance intervals, ensuring efficient servicing and prolonging the generator's lifespan. The convenient fuel gauge lets you monitor fuel levels at a glance, while covered outlets provide added protection against debris and dust, ensuring reliable connections.

The Powermate PM9400E is perfect for individuals seeking a portable and reliable power source for various applications. It's well-suited for outdoor enthusiasts needing power for camping or tailgating, DIY enthusiasts requiring a dependable generator for projects, and homeowners looking for an emergency backup power solution. 

7 Generac GP6500 Generator
Our Score:

Featuring Generac's PowerRush Advanced Technology, it delivers over 40% more starting capacity, allowing you to handle heavy electrical loads effortlessly. Safety is a top priority with the GP6500, thanks to its integrated COsense technology. The generator's extended runtime is another standout feature, with a long-lasting OHV engine and a large-capacity steel fuel tank providing up to 10.5 hours of power at 50% load.

This generator boasts covered outlets for added protection, a rugged 1.25-inch steel-tube cradle for superior strength, and heavy-duty, never-flat wheels for easy transportation. Maintenance is simplified with an hour meter that tracks service intervals, and the low-oil level shutdown feature protects the engine from damage, ensuring longevity.

The Generac GP6500 Generator is ideal for those needing a reliable and robust power source for emergency backup and recreational purposes. However, it may require regular maintenance checks, which can be time-consuming but ensure long-term performance. Its advanced safety features and long runtime make it a versatile and invaluable tool in various scenarios.

What Are The Most Critical Factors Of best large portable generator That You Should Consider?

To make a significant purchase, you are supposed to know the best large portable generator. There are a number of other difficulties that need to be investigated and evaluated. Every product has its challenges. Thus, you might count on us to provide you with detailed advice and guidance.

Based on what people and technical innovation have co-operated to analyze and build the following qualities, it’s helpful to look into the following criterial before selecting best large portable generator:


Installing home generators requires space. So make sure that you consider the dimensions of all models. You can find generators in a variety of sizes, from smaller units measuring less than 3ft to more large units measuring 5ft or more. A general rule of thumb is that the generator with the highest power rating will be larger.
Be aware that the clearance between your home and generator may be determined by local codes or model specifications. A small generator may require only 18 inches of clearance.


A warranty is usually included with the purchase of a generator. The warranty covers both labor and parts for most residential inverter and portable generators. For standby generators which can be larger investments, you will usually get a 3- to 52024 warranty period.
Certain warranties may also include travel expenses for technicians to visit the generator and fix it. However, this depends on which manufacturer you are using.


A generator's wattage is the measure of its ability to provide power for whatever it plugs into. This information is crucial to understand about any generator that you are considering.
However, this number does not represent the entire picture. Wattage is made up of three parts: power needed to turn on an appliance and power required to maintain it running. It also includes power necessary to sustain a power surge, which is when regular juice returns to normal and all appliances start to work again. Many appliances use more power for startup than their run energy consumption. You could overload your generator when you turn on appliances and other devices. If the generator can't provide enough power, it could overload. You need to know how many watts your generator can generate, depending on whether it is powering just one item or the whole house.
An increase in generator costs is generally associated with a higher wattage. Most people agree that it's better to have enough power than not to be able to run your fridge or keep cool by a fan.

Fuel Source

Generators are generally powered by either gasoline, natural gas or propane.
The majority of portable generators run on gasoline and can generally keep fridges and lights running for several hours. These generators can't be relied upon for long-term power backups, such as when there is no electricity for several days.
Propane and natural gas are used more often for large home-standby generators. These fuels can be used for larger home standby generators as they are cleaner-burning and offer on-demand power.
Solar or battery-powered power sources are an alternative to traditional fuel-powered generators. These machines have different capabilities, and their run time can vary widely. However, they might be the best match for you if your power requirements are less than minimal. They are typically used for camping only, not home.

Automatic Start

Whole home generators can automatically start when power goes out. This allows the generator to automatically start supplying power when there is no electricity from the utility. This feature is usually only available on standby generators, and not portables. These systems can provide peace of mind and may be more expensive than the security that your generator will automatically turn on without interrupting vital systems like heating and cooling.


You need to decide which generator type is best for you: a portable or standby generator. This will help you decide if you just want the lights to stay on or if you need to power other electrical components such as the refrigerator, window, central air conditioner, and the fridge.


What size portable generator do I need for my home or business?

The size of the portable generator you need will depend on the power requirements of your home or business. It is recommended to consult with a professional to determine the appropriate size generator for your specific needs.

How long will a large portable generator run on a full tank of gas?

The run time of a portable generator on a full tank of gas will vary depending on the size and power output of the generator. It is important to check the manufacturer's specifications for the specific generator model you are using.

Are large portable generators safe to use indoors?

No, large portable generators should never be used indoors due to the risk of carbon monoxide poisoning. Generators should always be used in a well-ventilated outdoor area to prevent dangerous levels of carbon monoxide from building up.

Can a portable generator be connected to my home's electrical system?

Yes, a portable generator can be connected to your home's electrical system using a transfer switch. It is important to hire a qualified electrician to properly install and connect the generator to ensure safe and reliable operation.

How often should I perform maintenance on my large portable generator?

Regular maintenance is essential to keep your portable generator in good working condition. It is recommended to follow the manufacturer's guidelines for maintenance, which may include oil changes, filter replacements, and spark plug inspections.

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About Katie Finn

Katie Finn

Katie Finn is a freelance writer who loves to explore the world and go camping. She's also an editor for CampfireHQ, where she enjoys writing about wildlife and camping tips. She also has a passion for reading and learning new things, which she often incorporates into her writing.

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