5 Best 50 Amp Inverter Generator [In 2025]

Investing in a reliable and powerful inverter generator is crucial for homeowners, RV enthusiasts, and construction workers who need a versatile and efficient source of backup power. With a wide range of options available, it can be challenging to determine the best 50 amp inverter generator for your needs. In this comprehensive review, we’ll explore some of the top-performing models on the market, providing you with the information you need to make an informed decision.

5 Best 50 Amp Inverter Generator Reviews

GENMAX 10500 Peak Watt Tri Fuel Open Frame Inverter Generator

Specs:

• Rated running power of 7800W and a peak power of 10500W
• Tri-fuel capability (gasoline, LPG, and natural gas)
• CO sensor and digital display
• Quiet technology for reduced noise levels
• THD ≤3% for clean power delivery

Pros:

• Versatile and adaptable to various power demands
• Exceptional fuel efficiency and long-lasting performance
• Convenient start-up options, including remote start
• Intelligent control panel with multiple functions
• Robust durability and reliable performance

Cons:

• May require additional accessories or adapters for certain power needs
• Potential challenges with delivery and customer service responsiveness

Westinghouse 10000 Peak Watt Portable Open Frame Inverter Generator

Specs:

• 10,000 peak watts and 7,600 running watts
• 420cc 4-Stroke OHV Westinghouse Engine
• Up to 12 hours of runtime on a 5.28-gallon gas tank
• Push-button electric start and remote start key fob
• Transfer switch ready with L14-30R and 14-50R outlets

Pros:

• Versatile power output to handle various appliances and devices
• Convenient electric and remote start options
• Intuitive control panel with data center for real-time monitoring
• Portable design with heavy-duty wheels and lift bracket
• Backed by a 3-Year Limited Warranty and Lifetime Technical Support

Cons:

• Challenging oil filling process due to the awkward location of the oil filler hole
• Recoil start may require significant effort, especially when the generator is new

GENMAX Portable Generator, 7250W Super Quiet Dual Fuel

Specs:

• 7250W starting wattage (gas) and 6000W (LPG)
• 6000W running wattage (gas) and 5500W (LPG)
• 4-stroke 312cc OHV engine
• 3.6-gallon fuel tank with up to 8 hours of runtime at 50% load
• Remote electric start and CO detect feature

Pros:

• Dual-fuel capability with easy switching between gas and propane
• Remote electric start for convenient operation
• CO detect feature for enhanced safety
• Quiet operation and pure sine wave output
• Compact and portable design with wheels and handles

Cons:

• May not be suitable for powering larger or high-wattage appliances
• Limited runtime compared to some larger models

Westinghouse 12500 Watt Dual Fuel Home Backup Portable Generator

Specs:

• 12,500 peak watts and 9,500 running watts
• 457cc 4-Stroke OHV Westinghouse Engine
• Up to 12 hours of runtime on a 6.6-gallon gas tank
• Push-button electric start and remote start key fob
• Transfer switch ready with L14-30R and 14-50R outlets

Pros:

• Powerful output to handle heavy-duty power needs
• Dual-fuel capability (gasoline and propane)
• Convenient electric and remote start options
• Intuitive control panel with VFT data center
• Portable design with wheels, handle, and lift bracket
• Backed by a 3-Year Limited Warranty and Lifetime Technical Support

Cons:

• Heavier and bulkier compared to some other models
• May require professional installation for whole-home backup power

AIVOLT Dual Fuel Inverter Generator 8000 Wattages

Specs:

• 8,000 starting watts (gas) and 7,200 (LPG)
• 6,100 running watts (gas) and 5,500 (LPG)
• 322cc 4-stroke OHV air-cooled engine with 100% copper winding
• Upgrade low-temp lithium battery for reliable starting
• Parallel capability with AVP24080 Parallel Cord

Pros:

• Powerful output suitable for a variety of applications
• Dual-fuel capability for flexibility and extended runtime
• Durable and reliable construction with copper winding engine
• Upgraded low-temperature lithium battery for easy starting
• Parallel capability for increased power output

Cons:

• Relatively heavy compared to some other 8,000-watt models
• May require additional accessories or adaptors for certain power needs

Buying Guide: Factors to Consider When Choosing the Best 50 Amp Inverter Generator

Power Output

• Determine the peak and running wattage requirements for your intended use, whether it’s for home backup, RV, or job site applications.
• Consider the power needs of your essential appliances and devices to ensure the generator can handle the load.

Fuel Type and Runtime

• Decide if you prefer a dual-fuel generator that can run on both gasoline and propane, or a single-fuel option.
• Look for generators with longer runtime on a single tank of fuel to minimize the need for frequent refueling.

Portability and Ease of Use

• Consider the weight, size, and mobility features like wheels and handles to ensure the generator can be easily transported and maneuvered.
• Prioritize generators with convenient starting options, such as electric or remote start, for hassle-free operation.

Noise Level and Efficiency

• Look for generators with quiet operation, especially if the unit will be used in close proximity to living or work areas.
• Efficient fuel consumption and low emissions are also important factors for both environmental and cost-saving reasons.

Durability and Warranty

• Choose a generator with a robust, well-constructed design that can withstand the demands of your intended use.
• Consider the manufacturer’s warranty and customer support to ensure you have a reliable backup plan in case of any issues.

FAQ

1. What is the difference between a 50 amp and a 30 amp inverter generator?
   • The main difference lies in the power output and the size of the electrical outlets. A 50 amp inverter generator typically has a higher power output, often ranging from 7,000 to 12,500 watts, and features a 50-amp outlet to handle larger electrical loads, such as RVs or whole-home backup power. In contrast, a 30 amp inverter generator generally has a lower power output, usually between 3,000 to 7,500 watts, and a 30-amp outlet suitable for smaller power needs.
2. Do I need a 50 amp inverter generator?
   • The need for a 50 amp inverter generator depends on your specific power requirements. If you plan to power larger appliances, RVs, or your entire home during a power outage, a 50 amp generator may be necessary to provide the necessary power. However, if your power needs are more modest, a 30 amp inverter generator may be sufficient and more cost-effective.
3. What are the benefits of a dual-fuel inverter generator?
   • Dual-fuel inverter generators offer increased flexibility and versatility. They can run on both gasoline and propane, allowing you to choose the fuel source that best suits your needs or availability. This can provide extended runtime, as propane generally has a longer shelf life than gasoline, and offer a backup fuel option in case one type becomes scarce or unavailable.

Conclusion

Choosing the best 50 amp inverter generator requires careful consideration of your power needs, portability requirements, and overall performance features. The models reviewed in this guide offer a range of options, each with its own unique strengths and capabilities. By evaluating factors such as power output, fuel efficiency, noise levels, and durability, you can make an informed decision that will provide reliable and efficient backup power for your home, RV, or job site. Regardless of your specific needs, these top-performing 50 amp inverter generators are sure to meet your expectations and keep you powered up when it matters most.