Best Generator to Charge EV: A Comprehensive Guide

As electric vehicles (EVs) continue to reshape the future of transportation, the need for reliable and versatile charging options grows. While public charging stations and home chargers are standard for most EV owners, what happens when you need power in a remote area, during a camping trip, or during a power outage? This is where having the best generator to charge your EV becomes essential.

In this guide, we’ve tested and reviewed the top generators on the market to help you find the perfect match for your needs. Whether you’re looking for portability, fuel efficiency, or raw power, we’ve got you covered.

List of the Best Generator to Charge EV:

Check out the thorough review of the best generators to charge EV below.

1. Westinghouse 11000 Watt Dual Fuel Portable Inverter Generator

The Westinghouse 11,000 Peak Watt Dual Fuel Portable Inverter Generator is a powerful and versatile solution for home backup, travel trailers, and job sites. Delivering up to 11,000 peak watts and 9,000 running watts on gasoline, and 10,000 peak watts and 8,100 running watts on propane, this generator ensures reliable power under diverse conditions. Its less than 3% Total Harmonic Distortion (THD) makes it safe for sensitive electronics such as laptops and smartphones. Powered by a 452cc 4-Stroke OHV engine, it offers up to 17 hours of runtime on a full 9.8-gallon fuel tank, ensuring uninterrupted performance.

With its remote electric start and push-button functionality, operation is seamless and user-friendly. The built-in LED Data Center provides real-time insights into fuel levels, power output, and runtime, while GFCI outlets and rubber safety covers enhance safety. The generator is also transfer switch ready, allowing easy connection to your home’s electrical system during power outages. Additionally, its dual-fuel capability offers flexibility and convenience, while the CO sensor ensures safe operation by detecting harmful carbon monoxide levels.

Key Features

• Dual-fuel capability: Switch between gasoline and propane for flexibility.
• Low THD: Safe for sensitive electronics like laptops and phones.
• LED Data Center: Displays real-time fuel levels, power output, and runtime.
• Remote electric start: Start the generator effortlessly with a key fob.
• Long runtime: Up to 17 hours on a full 9.8-gallon tank of gasoline.

Pros

1. High power output for heavy-duty use.
2. Dual-fuel capability provides flexibility.
3. User-friendly remote start and push-button operation.
4. Long runtime supports extended use.
5. Transfer switch-ready for seamless home backup

Cons

1. Propane runtime is shorter than gasoline.

2. Champion 11000 Watt Dual Fuel Portable Inverter Generator

The Champion Power Equipment 11,000-Watt Dual Fuel Portable Inverter Generator combines power, efficiency, and safety, making it an excellent choice for home backup, outdoor projects, or emergencies. Featuring 11,000 starting watts and 9,000 running watts on gasoline, and 8,100 running watts on propane, this generator provides versatility with its dual-fuel capability. A 459cc Champion engine powers the unit, offering a 15-hour runtime on a full 6.08-gallon gasoline tank or 8 hours on a 20-pound propane tank, both delivering clean power with less than 3% Total Harmonic Distortion (THD) to protect sensitive electronics.

The generator operates at a quiet 64 dBA noise level from 23 feet, making it suitable for residential areas. It features Cold Start Technology for seamless operation in low temperatures, and its electric start with an included battery ensures convenience. The CO Shield® technology enhances safety by automatically shutting off the generator if harmful carbon monoxide levels are detected. Equipped with a variety of outlets, including GFCI-protected 120V household duplex outlets and a 120/240V 37.5A outlet, it supports a wide range of appliances.

Key Features

1. Dual-Fuel Operation: Seamlessly switch between gasoline and propane.
2. CO Shield® Technology: Automatic carbon monoxide detection and shutoff.
3. Quiet Performance: Operates at a low noise level of 64 dBA.
4. Economy Mode: Enhances fuel efficiency by reducing engine wear.
5. Clean Power: Less than 3% THD for safe use with sensitive electronics.

Pros

1. High power output suitable for large appliances and tools.
2. Dual-fuel flexibility for different energy sources.
3. Quiet operation for residential use.
4. Easy portability with foldable handle and wheels.
5. Long runtime, especially on gasoline.

Cons

1. Propane runtime is shorter compared to gasoline.

3. Westinghouse 10000 Watt Portable Inverter Generator

The Westinghouse Outdoor Power Equipment 10,000 Peak Watt Portable Open Frame Inverter Generator delivers reliable power and efficiency, making it ideal for home backup, job sites, and recreational use. Featuring 7,600 running watts and 10,000 peak watts on gasoline, it provides ample power for demanding appliances and tools. With less than 3% Total Harmonic Distortion (THD), it ensures safe operation for sensitive electronics. Powered by a robust 420cc 4-stroke OHV engine, the generator offers up to 12 hours of runtime on a 5.28-gallon fuel tank, allowing for extended operation without frequent refueling.

The generator is designed for ease of use, featuring a remote electric start with auto choke, as well as a push-button and recoil start. Its VFT digital display provides real-time updates on voltage, frequency, and lifetime hours, enabling effective monitoring and maintenance. The transfer switch-ready outlets and four GFCI-protected 120V outlets make it highly versatile. With rubber outlet covers for safety, a sturdy open-frame design, and a plug-and-play setup, the generator is user-friendly and reliable. Backed by a 3-year limited warranty and nationwide support, it combines performance with peace of mind.

Key Features

1. High Power Output: 7,600 running watts and 10,000 peak watts on gasoline.
2. Remote Start: Includes a key fob and push-button start for convenience.
3. Low THD: Safe for powering sensitive electronics.
4. VFT Digital Display: Real-time voltage, frequency, and runtime updates.
5. Long Runtime: Up to 12 hours on a 5.28-gallon fuel tank.

Pros

1. Powerful engine suitable for heavy-duty applications.
2. Easy setup and operation with plug-and-play functionality.
3. Safe and stable electricity output for electronics.
4. Durable open-frame design with safety features like CO sensor and low oil shutdown.
5. Long runtime reduces the need for frequent refueling.

Cons

1. Open-frame design may be louder than enclosed models.

How to Choose the Best Generator to Charge EV?

As electric vehicles (EVs) continue to rise in popularity, the need for reliable backup charging options has grown. Whether you’re planning an off-grid road trip, preparing for emergencies, or simply want peace of mind, a generator can be an invaluable tool for keeping your EV powered. But with so many options on the market, how do you choose the best generator to charge your EV?

1. Understand Your EV’s Charging Requirements

Before you start shopping, it’s essential to know your EV’s specific charging needs. Different electric vehicles require different power levels to charge efficiently.

• Level 1 Chargers (120V): These are the standard charging options for most EVs. A generator that provides at least 1.5 kW of power is sufficient for slow charging.
• Level 2 Chargers (240V): For faster charging, you’ll need a generator that can provide at least 7 kW of power.
• DC Fast Charging: If you’re looking for rapid charging, this might not be feasible with most portable generators, as they typically don’t support the power levels required for DC fast charging.

💡 Pro Tip: Check your EV’s charging specifications in the user manual or contact the manufacturer to confirm the voltage and power output requirements.

2. Choose the Right Power Output

Power output is one of the most important factors when selecting a generator. Generators are rated based on their wattage, which determines how much electricity they can produce.

• Small EVs or hybrids: A generator with 2–3 kW power output is sufficient.
• Mid-size EVs: Consider a generator with 5–7 kW for reliable charging.
• Larger EVs or SUVs: Look for a generator with 8 kW or higher to ensure faster and more efficient charging.

It’s always better to have a generator with slightly higher capacity than your EV’s minimum requirement. This ensures smoother operation and avoids overloading the generator.

3. Opt for an Inverter Generator

When charging an EV, not all generators are created equal. Inverter generators are highly recommended for EV charging because they produce cleaner and more stable electricity.

• Clean Power Output: EVs require stable electricity to avoid damage to their sensitive charging systems. Inverter generators provide this clean energy by reducing harmonic distortion.
• Quiet Operation: Compared to traditional generators, inverter models are much quieter—perfect for both residential and camping use.
• Fuel Efficiency: Inverter generators adjust their engine speed to match the load, which saves fuel and reduces emissions.

💡 Personal Note: When I first started researching generators for my EV, I quickly learned that traditional generators were too noisy and inefficient for my needs. Upgrading to an inverter generator was a game-changer!

4. Consider Portability and Weight

If you’re planning to use your generator on the go—like during a road trip or camping adventure—portability matters. Generators come in various sizes, so think about your specific use case.

• Lightweight Options: Smaller generators (under 50 lbs) are perfect for compact EVs and light charging needs.
• Mid-size Generators: These weigh around 70–100 lbs and are ideal for more demanding EVs.
• Heavy-duty Generators: These are larger and can handle higher power output but are less portable. They’re great for home backup charging during emergencies.

💡 Practical Advice: Look for a generator with built-in wheels and handles for easier transport. Some models even come with collapsible handles, making storage a breeze.

5. Fuel Type: Gasoline, Propane, or Solar?

Generators come in a variety of fuel types, and each has its own pros and cons.

• Gasoline Generators: These are the most common and widely available. They’re powerful and reliable, but gasoline can be costly and isn’t the most eco-friendly option.
• Propane Generators: Propane burns cleaner than gasoline and is often easier to store. Many generators are dual-fuel, allowing you to switch between gasoline and propane for added flexibility.
• Solar Generators: If you’re eco-conscious, consider a solar generator. While they may not provide the same high wattage as gas or propane models, they’re perfect for slow charging and are completely renewable.

💡 Personal Note: On a recent camping trip, I paired a small solar generator with my EV and loved how silent and eco-friendly it was. However, I recommend having a backup fuel-powered option for cloudy days or emergencies.

6. Check for Additional Features

The right features can make your generator more convenient and versatile. Here are a few to look out for:

• Multiple Outlets: This allows you to charge your EV while powering other devices, such as laptops or camping gear.
• Automatic Shutoff: Protects the generator from overloading or overheating.
• Digital Display: Shows real-time data on power usage, fuel levels, and run time.
• Smart Connectivity: Some modern generators come with Bluetooth or Wi-Fi controls, so you can monitor and control them from your smartphone.

7. Think About Noise Levels

No one likes a noisy generator, especially if you’re camping or using it at home. Look for models with noise ratings under 60 decibels (dB) for quieter operation.

💡 Pro Tip: Generators with eco-mode settings tend to run quieter since they adjust engine speed based on the load.

8. Set a Budget but Think Long-Term

While it’s tempting to opt for the cheapest generator, remember that quality matters. A reliable generator is an investment, so consider the long-term value it provides.

• Budget-Friendly: Expect to pay $500–$800 for a basic generator that can handle light EV charging.
• Mid-Range: Inverter generators with higher power output typically range from $1,000–$1,500.
• High-End: Premium models with advanced features can cost $2,000 or more.

💡 Personal Note: I initially went for a cheaper generator, but its inconsistent power caused problems with my EV charger. Upgrading to a mid-range inverter generator was worth every penny.

Frequently Asked Questions (FAQs) When Selecting the Best Generator to Charge EV

1. Can I charge my EV with a generator?

Yes, you can charge your EV with a generator as long as it meets the required power output and voltage specifications. Most EVs can be charged using Level 1 (120V) or Level 2 (240V) chargers, and inverter generators are recommended for providing the stable electricity required. Make sure the generator’s wattage is sufficient to power your EV charger.

2. What is the minimum power output needed for a generator to charge an EV?

The minimum power output depends on your EV’s charging requirements:

• For Level 1 charging (120V), you need at least 1.5 kW of power.
• For Level 2 charging (240V), the generator should provide at least 7 kW.
  It’s always better to choose a generator with a slightly higher capacity to avoid overloading.

3. Why are inverter generators recommended for EV charging?

Inverter generators are highly recommended because they produce clean and stable electricity with low total harmonic distortion (THD). This is essential for EVs, as unstable power from traditional generators can damage the vehicle’s sensitive charging systems. Inverter generators are also quieter and more fuel-efficient compared to conventional models.

4. Can a solar generator charge an EV?

Yes, a solar generator can charge an EV, but it’s best suited for slow charging. Solar generators usually provide limited power output, so they work well for compact EVs or hybrids. If you’re considering a solar generator, ensure it has enough wattage and compatible ports for your EV charger. Many solar generators also require additional solar panels for optimal performance.

5. What is the best fuel type for a generator to charge an EV?

The best fuel type depends on your needs:

• Gasoline Generators: Provide high power output and are widely available but less eco-friendly.
• Propane Generators: Burn cleaner than gasoline and are easy to store.
• Dual-Fuel Generators: Offer flexibility by allowing you to switch between gasoline and propane.
• Solar Generators: Eco-friendly and renewable, but limited in power output.

6. Can I use a generator during a power outage to charge my EV?

Yes, a generator is an excellent solution for charging your EV during a power outage. Make sure the generator has enough wattage to power your EV charger and that it’s safely set up outdoors to prevent carbon monoxide buildup. Inverter generators are particularly well-suited for this purpose because they provide clean power that won’t damage your EV.

7. Are portable generators good for road trips or camping with an EV?

Absolutely! Portable generators are great for road trips or camping as they allow you to charge your EV off-grid. Choose a lightweight inverter generator with wheels and handles for easier transport. If you’re eco-conscious, consider pairing a solar generator with your EV for a quieter, greener option.

8. How do I know if a generator is compatible with my EV?

To ensure compatibility, check the following:

• The generator’s power output (in kW) matches or exceeds your EV charger’s requirements.
• The generator provides the correct voltage (120V for Level 1 or 240V for Level 2).
• The generator produces clean electricity with low harmonic distortion, as required by most EVs.

9. What are the quietest generators for charging an EV?

Inverter generators are the quietest options available, with noise levels typically under 60 decibels (dB). Brands like Honda, Yamaha, and Westinghouse are known for their ultra-quiet models, making them ideal for home use or camping.

10. Can I use a generator to charge a Tesla?

Yes, you can use a generator to charge a Tesla, as long as it meets the charging requirements. For Tesla vehicles, you’ll need a generator with sufficient power output (at least 7 kW for Level 2 charging) and the proper adapters to connect the generator to your Tesla’s charging cable. Tesla owners often prefer inverter generators for their clean and stable electricity.

11. What is the best generator size for charging an EV?

The size depends on your EV and usage:

• Small EVs or hybrids: A 2–3 kW generator is enough.
• Mid-size EVs: A 5–7 kW generator is ideal.
• Larger EVs or SUVs: Choose a generator with 8 kW or more for faster charging.

12. How long does it take to charge an EV with a generator?

The charging time depends on your EV’s battery size, the generator’s power output, and the charger type. For example:

• Level 1 charging (120V) with a 1.5 kW generator might take 8–12 hours for a small EV.
• Level 2 charging (240V) with a 7 kW generator can reduce charging time to 3–6 hours.

13. Are dual-fuel generators better for EV charging?

Dual-fuel generators are a great option because they allow you to switch between gasoline and propane. This flexibility ensures you can always find a fuel source, whether you’re at home or on the go. Propane is cleaner and easier to store, while gasoline provides higher power output.

14. What safety precautions should I take when using a generator to charge an EV?

• Always use the generator outdoors in a well-ventilated area to prevent carbon monoxide poisoning.
• Ensure the generator is properly grounded to avoid electrical shocks.
• Use a surge protector to protect your EV and charger from power fluctuations.
• Check the fuel levels regularly to avoid running out during charging.

15. What are the best brands for EV-compatible generators?

Some of the top brands known for reliable, EV-compatible generators include:

• Honda: Premium, quiet, and efficient inverter generators.
• Champion: Affordable dual-fuel options with great performance.
• Jackery: Leading solar generator brand for portable and eco-friendly charging.
• Westinghouse: Known for feature-packed and durable models.

16. Is it worth investing in a generator to charge my EV?

Yes, investing in a generator can be a smart choice, especially if you frequently travel, live in areas prone to power outages, or want backup charging options. A reliable generator ensures you never run out of power, giving you peace of mind in emergencies or remote locations.

aster charging, but only if your EV and charger are compatible with the generator’s wattage. For example, a 10 kW generator won’t speed up charging if your EV charger is limited to 7 kW.

17. What features should I look for in a generator to charge an EV?

Look for these key features:

• Inverter technology for clean power.
• Multiple outlets for added versatility.
• Low noise levels for quiet operation.
• Portability (wheels and handles).
• Automatic shutoff for safety.
• Digital displays for real-time monitoring.

Conclusion

Choosing the right generator to charge your EV is about balancing power, portability, and efficiency to fit your unique lifestyle. From lightweight inverter generators for on-the-go adventurers to high-powered dual-fuel models for home backup, the options are as diverse as the needs of today’s EV drivers.

Enjoyed this guide of the best generator to charger EV? Then be sure to check out our other EV guides.

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