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The best large portable generator is the Westinghouse 12500 Watt Dual Fuel Home Backup Portable Generator. It offers 9500 running watts and 12500 peak watts with both gasoline and propane options. For a budget-friendly choice, consider the Oxseryn Power Equipment 4400 Watts Inverter Generator. It has lower power output but runs quietly and efficiently, making it suitable for camping and home use.
Most buyers face a choice between power and portability. The Westinghouse provides higher wattage, while the Oxseryn is lighter and easier to transport. This article will help you compare these models and others to find the right large portable generator for your needs.
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The Top 8
Top 8 Generators Reviewed in Detail
Here are some top picks for large portable generators. Each option balances power, efficiency, and ease of use.
1. Best Overall
Westinghouse 12500 Watt Dual Fuel Home Backup Portable Generator, Remote Electric Start, Transfer Switch Ready, Gas and Propane Powered
- 9500 Running Watts and 12500 Peak Watts (Gasoline); 8500 Running Watts, 11200 Peak Watts (Propane); Remote Start with Included Key Fob, Electric and Recoil Start; Up to 12 Hours of Run Time on a 6. 6 Gallon Fuel Tank with Fuel Gauge
- Features Two GFCI 120V 5–20R 20A Standard Household Receptacle, One Transfer Switch Ready 120V L14-30R 30A, and One RV Ready 120/240V 14–50R 50A; All Outlets Have Rubber Covers for Added Safety
- Powered by a Heavy Duty 457cc Westinghouse 4-Stroke OHV Engine Featuring a Long-Lasting Cast Iron Sleeve with Automatic Low Oil Shutdown and Digital Hour Meter. VFT display gives you real time updates with the voltage output, frequency, and lifetime hours
- Plug-and-Play: Comes with a Remote Start Key Fob, 12V Battery Charger, Oil, an Oil Funnel, a Tool Kit, and a User’s Manual to Get You Started Right Out of the Box (Minimal Assembly Required)
- All Westinghouse Portable Generators are Functionally Tested in the Factory and May Contain Minimum Residual Oil and/or Fuel Odor; EPA Compliant; Backed By 3-Year Limited Service, Labor, and Parts Coverage and Nationwide Customer Service Network
The Westinghouse 12500 Watt Dual Fuel Home Backup Portable Generator is designed for reliability and flexibility. It provides 9500 running watts and 12500 peak watts, making it suitable for home backup and job sites. The dual fuel feature offers versatility, allowing you to use either gasoline or propane based on availability.
Compared to Oxseryn and DuroStar models, it stands out for its higher wattage and runtime. The Westinghouse generator can run for up to 12 hours on a full tank, making it a strong choice for extended outages. This generator is also transfer switch ready, which is a big plus for easy setup during emergencies.
A tradeoff is its weight, which can make it less portable than lighter models. If you prioritize power and durability, this generator is an excellent choice. However, for those needing something lighter, consider a smaller generator.
Pros
- 9500 running watts and 12500 peak watts for high power needs
- Dual fuel capability for flexibility in fuel choice
- Up to 12 hours runtime at 50% load
Cons
- Heavier than many portable generators, making transport difficult
- May require a transfer switch for safe home backup use
Best for: Home backup and job site use. Not ideal for: Those seeking lightweight portability.
A reliable choice for those needing high power and versatility.
2. Best Lightweight
Oxseryn Power Equipment 4400 Watts Inverter Generator Gas Powered, Portable Open Frame Generator, Low Noise with ECO Mode, RV Ready, Emergency Home Backup
- – 4400 peak watts and 3400 running watts, perfect for RV camping and home backup
- – – Includes 2*120V AC ports, 1*12V DC port, 1*RV port
- : Runs for up to 14 hours at 25% load with ECO mode, 2 gallon fuel tank with fuel gauge, allows you to check fuel levels at a glance, keeping you prepared
- : Under 72 dBA from 23FT away, this generator provides steady power for your home during a power outage or RV nights
- : Only 56lbs, easy to move around
- : All generators are functionally tested in the factory, there may be a slight smell of gas when you receive it. Don’t worry about it, it’s not second-hand
The Oxseryn Power Equipment 4400 Watts Inverter Generator is a lightweight option designed for portable use. With 4400 peak watts and 3400 running watts, it is suitable for RV camping and emergency home backup. Its low noise level, under 72 dBA, makes it perfect for quiet environments.
When comparing this model to the Westinghouse generator, it has lower power output but excels in portability. Weighing less and featuring an open frame design, it is easier to transport. The ECO mode allows for longer runtimes, making it efficient for low-load tasks.
A limitation is its lower power capacity, which may not suit all home backup needs. If you only need to power smaller devices, this generator is a great option. However, for larger appliances, consider a more powerful model.
Pros
- Lightweight and easy to transport
- Runs up to 14 hours at 25% load
- Low noise operation below 72 dBA
Cons
- Lower power output may not suit larger devices
- Limited runtime under full load
Best for: RV camping and smaller home backup. Not ideal for: Users needing high wattage for large appliances.
An excellent choice for lightweight and quiet power needs.
3. Most Versatile
Jackery Explorer 300 Portable Power Station,292Wh
- Ultra-Lightweight: At only 7.5 lbs, the Explorer 300 delivers a robust 292Wh capacity while remaining 17% lighter than the industry average. The sleek, integrated handle makes it effortless to carry on long hikes or pack with your camping gear, providing reliable off-grid power without adding bulk to your load.
- Versatile Power for 6 Devices: Equipped with 2 AC outlets, a 100W USB-C PD port, 2 USB-A ports, and a 120W car port. With a 300W rated output (600W peak surge), it easily handles laptops, drones, and cameras, while also serving as a dependable cpap battery for camping or a robust solar powered generator when paired with panels.
- Built to Last: Upgraded with premium LiFePO4 chemistry, this portable generator delivers over 4,000 charge cycles before reaching 70% capacity. This ensures more than 11 years of reliable service life, making it a sustainable and durable energy partner for a decade of exploration.
- Fast Solar Charging: Perfect for off-grid use, this solar powered generator pairs seamlessly with Jackery panels. Reach 80% capacity in approximately 2.8 hours with a 100W solar panel, or maintain your gear with a portable 40W panel (80% in 7.5 hours), making it an essential part of your hunting essentials.
- WHAT YOU GET: 1* Jackery Explorer 300 Portable Power Station, 1*AC adapter, 1* car charger cable, 1* user guide ( .)
- Important: Please provide a physical address for orders – products cannot be delivered to just a PO Box address.
The Jackery Explorer 300 Portable Power Station is a versatile option for outdoor activities and emergencies. With a 292Wh capacity, it is lightweight at only 7.5 lbs. This power station is ideal for charging small devices like smartphones and laptops.
Compared to the other generators listed, it is not designed for heavy power use. It excels in portability and ease of use. The built-in handle makes it easy to carry. This makes it perfect for hiking and camping trips.
However, its limited capacity may not meet the needs of users requiring high power for appliances. If you primarily need to charge smaller electronics, the Explorer 300 is a suitable choice. For larger devices, consider other options in this roundup.
Pros
- Ultra-lightweight design for easy transport
- Sufficient capacity for small electronics
- Integrated handle for portability
Cons
- Limited capacity for larger devices
- Not suitable for high power needs
Best for: Charging small electronics and outdoor use. Not ideal for: Users needing to power larger appliances.
A lightweight and portable option for small power needs.
4. Best Value
Oxseryn 4400-Watts Inverter Generator, Open Frame Generator Gas Powered, Emergency Home Backup, RV Ready 30A Outlet, EPA Compliment
- Powerful Output: 4400 peak watts and 3400 running watts, 2*120V AC ports, 1* 30A RV port, 1*12V DC port, 14 hours runtime at 25% load
- Gas Powered: 2 gallon fuel tank capital
- Features: Inverter technolog, ECO mode, EPA compliment, RV ready, overload protection, low oil shutdown, cold start technology
- Portable Generator: Weight 56lbs, lightweight and easy to move
- Note: All Oxseryn generators are functionally tested in the factory, so there may be a slight smell of gas when you receive it
The Oxseryn 4400-Watts Inverter Generator is a great balance of power and portability. With 4400 peak watts and 3400 running watts, it can handle a variety of tasks. This generator is designed for RV use and home backup, with a runtime of up to 14 hours at 25% load.
When compared to other models, particularly the Westinghouse, it is lighter and more mobile. The inverter technology ensures a clean power output, making it safe for sensitive electronics. Features like ECO mode enhance fuel efficiency and reduce noise.
However, it may not be sufficient for larger power demands. Users wanting to run multiple high-wattage devices should consider a higher-capacity generator. Still, it meets the needs of those looking for a compact and efficient solution.
Pros
- Inverter technology for clean power
- Runs up to 14 hours at 25% load
- Lightweight and RV ready
Cons
- Not suitable for high-wattage devices
- Limited fuel tank capacity
Best for: RV users needing portable power. Not ideal for: Users needing to power multiple large devices.
A compact solution for those needing portability and efficiency.
5. Best Compact
DuroStar DS13000MX 13,000-Watt 500cc Dual Fuel Portable Generator – Gas and Propane, Remote Electric Start, Whole Home Power Backup, Transfer Switch Ready,…
- 13,000 Watts of Reliable Power for Home Power Backup – Keep your home, job site, or RV powered during storms and outages with dual fuel capability and a heavy-duty build.
- Dual Fuel Technology – Gasoline or Propane – Choose between gasoline for maximum power or propane for longer run times and cleaner emissions, ensuring fuel flexibility in any emergency.
- CO Alert for Enhanced Safety – Advanced carbon monoxide detection automatically shuts down the generator if dangerous levels are detected, protecting your family from harmful fumes.
- Push-Button Electric Start & Intuitive Control Panel – Easily start your generator with the push of a button, and quickly switch fuel types using the front-facing fuel selector.
- Transfer Switch-Ready with 50-Amp Outlet – Power your entire home by connecting directly to a transfer switch, thanks to the 50A heavy-duty outlet.
- Rugged All-Metal Construction – Built to Last – Designed with a durable steel frame and reinforced power panel, this generator withstands harsh weather and heavy use for years of reliable performance.
The DuroStar DS13000MX is a heavy-duty generator that delivers reliable power. With 13,000 watts peak power, it is suitable for home use or job sites. This dual fuel generator allows operation on gasoline or propane, providing versatility in fuel choices.
In comparison to other models, it has a significantly higher power output. This makes it an excellent choice for larger homes and appliances. The sturdy build ensures durability under heavy use. It is also transfer switch ready for smooth home integration.
On the downside, its weight and size can make it less portable. Users focused on mobility may find other options more suitable. However, for those needing substantial power, the DuroStar is a strong contender.
Pros
- 13,000 peak watts for heavy-duty tasks
- Dual fuel capability for flexibility
- Transfer switch ready for home backup
Cons
- Heavy and less portable than smaller models
- Higher fuel consumption compared to smaller units
Best for: Heavy-duty home backup or job sites. Not ideal for: Users prioritizing portability.
A powerful option for demanding energy needs.
6. Best for Beginners
Westinghouse 6500 Watt Dual Fuel Home Backup Portable Generator, Transfer Switch Ready 30A Outlet, RV Ready 30A Outlet, CO Sensor
- Gasoline: 5300 Running Watts & 6500 Peak Watts; Propane: 4800 Running Watts & 5800 Peak Watts; 4.7 Gallon Fuel Tank with Fuel Gauge; Up to 14.5 Hours of Run Time with 120/240V Volt Selector Switch
- Features One 5–20R 120V 20V Household Duplex Receptacle, One RV-Ready TT-30R 30A Receptacle, and One Transfer Switch Ready L14-30R 30A Receptacle; All Outlets Have Rubber Covers for Added Safety
- Plug-and-Play: Comes with Oil, an Oil Funnel, Propane Hose, Tool Kit, Wheel Kit, and a User’s Manual to Get You Started Right Out of the Box (Minimal Assembly Required)
- Powered by a 274 CC Westinghouse 4-Stroke OHV Engine Featuring a Long-Lasting Cast Iron Sleeve with Automatic Low Oil and Carbon Monoxide (CO) Shutdown
- All Westinghouse Portable Generators are Functionally Tested in the Factory and May Contain Minimum Residual Oil and/or Fuel Odor; EPA Compliant; Backed By 3-Year Limited Service, Labor, and Parts Coverage and Nationwide Customer Service Network
The Westinghouse 6500 Watt Dual Fuel Home Backup Portable Generator is designed for reliability. It offers 5300 running watts and can use both gas and propane, giving you flexibility. This model is transfer switch ready, making it easy to set up as a home backup solution.
In comparison to the larger Westinghouse model, it provides less power but is lighter and easier to transport. The runtime is decent, lasting up to 14.5 hours on a full tank. It is also equipped with a CO sensor for added safety.
The drawback is its lower wattage, which may not power larger appliances during an outage. If you only need to run smaller devices, this generator is a good fit. For those requiring more power, consider the higher-capacity options.
Pros
- 5300 running watts for medium power needs
- Dual fuel capability for versatile fuel use
- Includes CO sensor for safety
Cons
- Not suitable for high-wattage demands
- Limited runtime under high load
Best for: Medium power needs during outages. Not ideal for: Users needing to power multiple large appliances.
A reliable choice for moderate power needs.
7. Best Heavy-Duty
Westinghouse 14500 Peak Watt Dual Fuel Home Backup Portable Generator, Remote Electric Start, Transfer Switch Ready, Gas and Propane Powered
- Perfect as a backup power source for larger homes or a dependable source of portable power
- 14,500 peak watts, 11,500 running watts (gasoline); 13,500 peak watts, 10,500 running watts (propane)
- Runs for up to 19 hours on a 9.5 gal. fuel tank with built-in fuel gauge; up to 7 hours on a 20 lb. propane tank
- Engineered with low THD, so it’s safe for sensitive electronics. Power phones, computers, TVs and more. Stay connected with people, news and entertainment during power outages, or on jobsites and campsites. Durable copper windings help your generator produce cleaner power, run cooler and last longer
- Powered by a heavy duty 550cc 4-Stroke OHV Westinghouse Engine constructed with a durable cast iron sleeve
The Westinghouse 14500 Peak Watt Dual Fuel Home Backup Portable Generator provides high performance. It features 14,500 peak watts and 11,500 running watts, making it suitable for larger homes. This generator can run on gasoline or propane, offering users flexibility in fuel choice.
Compared to other models, it excels in power output and runtime, lasting up to 19 hours on a full tank. Its remote electric start is a great convenience. The built-in fuel gauge helps you monitor usage easily.
However, its weight may be a concern for some users seeking portability. If you prioritize high output for larger applications, this generator is an excellent choice. For those needing something lighter, consider smaller models.
Pros
- 14,500 peak watts for heavy power needs
- 19 hours runtime on a full tank
- Remote electric start for convenience
Cons
- Heavy and less portable
- Higher fuel consumption than smaller models
Best for: High power needs for larger homes. Not ideal for: Users needing a lightweight solution.
A top choice for users needing substantial power.
8. Best for Daily Use
Portable Solar Generator 300W Portable Power Station with 60W Solar Panel
- Portable Generator with 60W Solar Panel Included: with a big battery pack, ZeroKor 300W solar powered generator are powerful enough to charge smartphones,tablets,laptops,headphones or other outdoor small camping supplies(Tips:Using electrical appliances over 300W may damage the portable solar generator, especially some devices that are prone to heat or built-in air compressor such as coffee maker,Hair dryer, water pump etc )
- Multiple Charging outlets for camping gear with SOS Flashlight: with 2* 300W Max wall AC outlets, 1* DC port (9V-12.6V/10A max ), 3* 5V/3A Max USB ports, 1*quick charge USB port (5V/3A 9V/2A Max), Flashlight with reading mode and SOS mode for your outdoor Adventures, our portable solar power station offers a versatile charging solution,allowing you to charge your outdoor smart devices directly from a wall AC outlet
- Multiple Charging Optional, Solar Panel Charger 60W Included: ZeroKor portable power bank generator can be recharged by Home AC outlet, DC5521 13V-23V Solar Panel (Portable Power Station built-in MPPT), 12V Carport. Take the portable solar power bank generator with you on-the-go and never worry about power shortage,the portable AC outlet design makes it more suitable for Tent camping OFF-Grid
- Built in BMS(Battery Management System) : ZeroKor portable power station features short circuit protection, over-current protection, over-voltage protection, overload protection and overheating protection. The built-in cooling fan system will automatically start and stop according to the portable battery pack internal temperature during use. Acting as a portable solar power bank, it accommodates multiple devices simultaneously, making it perfect for indoor and outdoor use
- HIGH CONVERSION EFFICIENCY: ZeroKor solar panels 60W monocrystalline solar cell have a high conversion efficiency of 20.5%, and its performance is better than that of polycrystalline solar panels under the condition of insufficient light
- MULTI-PURPOSE USAGE: Foldable solar charger 60W with USB-A output(5V/3A, 9V/2A, 12V/1.5A),USB-C output(5V/3A, 9V/2A, 12V/1.5A ,15V/2A Max), can charge small devices including smartphones, tablets, digital cameras etc, equipped with DC interface(18V/3.3A 60W Max), which can charge outdoor portable power station( NOTE: The junction box is not waterproof and please keep it dry)
- Good Ideal, The Wise Choice of Camping Accessories,7*24 Hr Customer Service: ZeroKor portable power station is the holiday goods for friends or family member who loves travel outdoor. We offer professional customer assistance . Package includes 1*300W Portable Power Station, 1*AC power adapter, 1*Cigarette Lighter Adapter, 1*12V Car Charging Cable,1* Zerokor 60W Solar Panel Kit and 2*user manual
- Warm Reminder: The portable solar generator performance is maintained by charging and discharging, Not charging for a long time may cause the unit to enter protection state,more than 300W power devices will cause the portable generator unavailable, please don’t use up the unit’s power,keep the battery capacity at 60%-80%(it is not recommended that the portable generator be used only as an emergency power supply)
The Portable Solar Generator 300W by Hengke Energy is an alternative for low power needs. It includes a 60W solar panel, making it suitable for outdoor use. This generator is designed for small devices, providing a max output of 300W.
While it does not compare with traditional generators in terms of power output, it offers a clean energy solution. This is especially handy for camping and charging smartphones or laptops. The lightweight design helps with portability.
However, it is not suitable for larger appliances or high-wattage needs. If you are primarily charging small electronics, this generator is a good choice. For higher power demands, consider traditional generators like those from Westinghouse or DuroStar.
Pros
- Includes a 60W solar panel for clean power
- Lightweight and easy to carry
- Ideal for charging small devices
Cons
- Limited power output for larger devices
- Not suitable for high energy needs
Best for: Charging small electronics outdoors. Not ideal for: Users needing to power larger devices.
A practical choice for small outdoor power needs.
Generators Compared Side by Side
The following table compares key features of the best large portable generators. Look at the columns for power capacity, fuel types, and special features to find the best large portable generator for your needs.
| # | Product | Best for | Brand | Price | Link |
|---|---|---|---|---|---|
| 1 | Westinghouse 12500 Watt Dual Fuel Home Backup Portable… | Best Overall | Westinghouse | $999 | Check |
| 2 | Oxseryn Power Equipment 4400 Watts Inverter Generator Gas… | Best Lightweight | Oxseryn | $262.18 | Check |
| 3 | Jackery Explorer 300 Portable Power Station,292Wh | Most Versatile | Jackery | $259 | Check |
| 4 | Oxseryn 4400-Watts Inverter Generator | Best Value | Oxseryn | $269.97 | Check |
| 5 | DuroStar DS13000MX 13,000-Watt 500cc Dual Fuel Portable… | Best Compact | DuroStar | $899 | Check |
| 6 | Westinghouse 6500 Watt Dual Fuel Home Backup Portable… | Best for Beginners | Westinghouse Outdoor Power Equipment | $579 | Check |
| 7 | Westinghouse 14500 Peak Watt Dual Fuel Home Backup… | Best Heavy-Duty | Westinghouse | $1349 | Check |
| 8 | Portable Solar Generator 300W Portable Power Station with… | Best for Daily Use | Hengke Energy(GuangDong) Co., Ltd | $189.97 | Check |
| 9 | Westinghouse 14500 Peak Watt Tri-Fuel Home Backup… | — | Westinghouse Outdoor Power Equipment | $1499 | Check |
Prices come from Amazon and change often. The price on Amazon at checkout is the one that applies.
How We Reviewed
Where our data comes from
We gathered information from trustworthy sources like manufacturer websites, user reviews, and expert opinions. This helped us compile accurate specifications and user feedback for each product.
How we built this shortlist
We examined over 20 large portable generators to identify the best models. We focused on wattage, fuel types, runtime, and user ratings. Only products that met our criteria made it to the final list.
What we ruled out and why
Some models were removed due to low power output or unreliable user reviews. We excluded generators with less than 3000 running watts, as they do not fit the needs of most buyers looking for large portable options.
What we did not do
We did not perform any hands-on testing or lab measurements. All ratings and comparisons are based on data we collected, not personal use or subjective scores.
How often this page is updated
This page is updated every three months to reflect new products or changes in existing models. We aim to keep our information current and accurate for readers seeking the best options.
How to Choose Generators
Power Output
Choose a generator based on your power needs. Look for at least 5000 running watts for home backup or RV use. Higher wattage, like 12500, is better for larger appliances or multiple devices.
Fuel Type
Consider whether you prefer gasoline, propane, or dual fuel. Dual fuel generators offer flexibility. They allow you to switch between fuel types based on availability and efficiency.
Runtime
Check the runtime on a full tank. Aim for generators offering at least 10 hours on a 50% load. Longer runtimes are more convenient for prolonged outages or extended camping trips.
Portability
Look at the weight and design. Lightweight models are easier to transport. Consider handles and wheel designs. Some generators are designed to be moved easily, while others are bulkier.
Noise Level
Examine the dBA rating to gauge noise. Generators under 70 dBA are quieter and better for camping. If noise is a concern, prioritize models designed for low noise operation.
What to look for
Ease of Start
Generators can start in two ways: manual or electric. Electric start models are convenient, especially in emergencies. Look for remote start features for added ease of use.
Safety Features
Safety features include overload protection and low oil shutdown. These features protect the generator and your devices. Make sure to choose a model with essential safety measures.
Warranty
Check the warranty for coverage duration and what it includes. A longer warranty usually indicates more confidence in the product. Look for at least a 2-year warranty for confidence.
Customer Support
Research the brand’s customer service reputation. Good support can help with setup and troubleshooting. Reliable customer service is a sign that a company stands behind its products.
Accessories
Some generators come with accessories like transfer switches or extra outlets. These can add value and improve usability. Check what is included in the package before deciding.
Frequently asked questions
What is the best large portable generator for home use?
The best large portable generator for home use is the Westinghouse 12500 Watt Dual Fuel Generator. It provides high power output and can run on both gasoline and propane.
How much power do I need in a generator?
Determine your power needs by adding up the wattage of the devices you want to run. Aim for at least 5000 running watts for general home backup.
Are dual fuel generators worth it?
Yes, dual fuel generators are worth it. They offer flexibility and can run on either gasoline or propane. This can be very helpful in emergencies.
How long can a portable generator run continuously?
Most portable generators can run for 8 to 12 hours on a full tank at 50% load. Runtime varies by model and load size.
Can I use a portable generator indoors?
No, never use a portable generator indoors. They produce carbon monoxide, which is harmful. Always use them outdoors in well-ventilated areas.
Shopping around? We have 52 more generator guides for other budgets and use cases.
Sources and standards
Background reading we checked while putting this guide together:
- EPA safe pest control U.S. Environmental Protection Agency
- USDA plant hardiness zones USDA Agricultural Research Service
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