Best Extension Cord for EV Charging in 2025: The Ultimate Review

While many EV owners opt for home charging stations, an extension cord can be a great way to give you the flexibility to charge your vehicle from different locations or when you’re in a pinch. In this guide, we’ll dive into the best extension cords for EV charging, putting various options to the test and providing detailed reviews to help you make an informed decision. Whether you’re looking for a heavy-duty outdoor extension cord or a budget-friendly option for occasional use, we’ve got you covered!

List of the Best Extension Cord for EV Charging:

Check out the detailed reviews of the best extension cord for EV charging below.

1. PlugSaf Extension Cord for EV Charging

The PlugSaf 50 FT 50 Amp RV/EV Extension Cord is a heavy-duty solution designed to meet the demanding power requirements of RVs, EVs, and camping equipment. This 50-foot extension cord is built with a 6/3+8/1 AWG construction, providing the necessary flexibility and strength to handle 50 amps of power at 125V/250V. The cord is designed with a NEMA 14-50P male plug and a NEMA 14-50R female socket, ensuring compatibility with various RV and EV charging setups, including Tesla’s Level 2 charging stations.

Its weatherproof and durable design, with an IP65 waterproof rating, ensures reliable performance in various weather conditions, from intense sunlight to freezing temperatures. The cord is heat-resistant, flame-retardant, corrosion-resistant, and wear-resistant, which ensures a longer lifespan and enhanced safety for outdoor use.

The ergonomic grip handle is a standout feature, allowing for easy plug-in and unplugging without causing damage to the cord. Additionally, it is highly flexible and can be easily stored with the included adjustable cord organizer. ETL listed for safety, the PlugSaf RV/EV extension cord provides peace of mind with its solid construction, making it a great choice for both RV owners and EV drivers alike.

Key Features, Pros, and Cons

Key Features:

1. 50-foot length, 50 Amp, 6/3+8/1 AWG for heavy-duty use.
2. NEMA 14-50P to NEMA 14-50R connectors, suitable for RVs and EVs.
3. IP65 waterproof rating, making it weather-resistant for outdoor use.
4. Ergonomic grip handle for easy plug/unplug.
5. Flexible design with an adjustable cord organizer for easy storage.

Pros:

1. High-quality construction ensures durability and long-lasting performance.
2. Weatherproof and resistant to extreme conditions, including heat and cold.
3. Ideal for both RV and Level 2 EV charging, including Tesla vehicles.
4. Easy to store and manage with the included organizer.
5. Ergonomic handle improves ease of use and safety.

Cons:

1. Some users find the wire thickness thinner than expected.

2. CircleCord Extension Cord for EV Charging

The CircleCord UL Listed 50 Amp 25 Feet RV/EV Extension Cord is a robust and versatile solution designed to meet the needs of electric vehicle (EV) owners and RV enthusiasts. With a 50 Amp electrical rating, it can handle up to 12,500 watts at 250V, providing efficient power for Level 2 EV charging and RV trailer campers. Constructed with pure copper wiring, this extension cord is coated in flame-retardant, heat-resistant, and UV-resistant PVC for durability and long-lasting performance, making it suitable for use in harsh outdoor conditions.

The 25-foot length offers flexibility, allowing users to charge their Tesla Model 3, S, X, or Y, as well as RVs, with ease. The NEMA 14-50P male plug and NEMA 14-50R female receptacle ensure compatibility with most EV chargers and RV power setups. Additionally, the ergonomic grip handles at both ends make plugging and unplugging the cord safer and easier. The cord also comes with an adjustable organizer and storage bag for hassle-free storage, making it easy to carry and store after use.

Key Features, Pros, and Cons

Key Features:

1. 50 Amp rating, suitable for Level 2 EV charging and RV trailers.
2. 25-foot length offers flexibility for various setups.
3. NEMA 14-50P to NEMA 14-50R connectors for compatibility.
4. High-quality pure copper wiring with durable PVC coating.
5. Ergonomic grip handles for easy and safe use.

Pros:

1. Heavy-duty construction ensures long-term durability.
2. UV and heat-resistant, ideal for outdoor use.
3. Works efficiently for Tesla charging at Level 2 speeds.
4. Flexible 25-foot length for greater reach.
5. Comes with a convenient storage bag and organizer for easy handling.

Cons:

1. Some users find the cord heavy to handle.

3. POWGRN Extension Cord for EV Charging

The POWGRN 50 Amp RV/EV Extension Cord is a durable and versatile solution designed for both RV and electric vehicle (EV) charging. This 25-foot extension cord is constructed with 6/3+8/1 AWG STW wire, ensuring it can handle up to 50 amps of power at 125V/250V. Its NEMA 14-50P male plug and NEMA 14-50R female socket are compatible with most RV setups and Level 2 EV chargers, including Tesla Model 3, S, X, and Y.

Built for outdoor use, the extension cord features an IP65 waterproof rating, making it resistant to various weather conditions. Its jacket is heat-resistant, corrosion-resistant, and flame-retardant, which enhances its durability. The cord’s flexibility is another standout feature, staying pliable even at temperatures as low as -40°F. This ensures easy handling without the risk of breakage. Additionally, the ergonomic grip handles allow for easy plugging and unplugging, enhancing safety during use. The included grip storage cord makes organizing and storing the cord a breeze, preventing tangling and damage.

Key Features, Pros, and Cons

Key Features:

1. 25-foot length, rated for 50 amps, 125V/250V.
2. NEMA 14-50P to NEMA 14-50R connectors, compatible with EVs and RVs.
3. Waterproof, weather-resistant, and durable construction.
4. Flexible material, remains usable at -40°F.
5. ETL certified for safety and reliability.

Pros:

1. Heavy-duty construction ensures long-term durability.
2. Weatherproof and flame-retardant, ideal for outdoor use.
3. Easy-to-use grip handles for safer plugging and unplugging.
4. Flexible at low temperatures, ensuring reliable use in cold climates.
5. ETL certification guarantees safety and quality.

Cons:

1. The cord length is slightly shorter than expected (24.5 feet).

4. RVGUARD Extension Cord for EV Charging

The RVGUARD 50 Amp 25 Foot RV/EV Extension Cord is a highly durable and versatile solution designed for both RV and electric vehicle (EV) charging. Featuring a NEMA 14-50P male plug and NEMA 14-50R female receptacle, this extension cord is rated for 50 amps, with a maximum power capacity of 12,500 watts at 250V. It is compatible with Level 2 EV chargers, including Tesla Model 3, S, X, and Y, as well as RVs and travel trailers.

Built with a 6/3+8/1 gauge STW jacket, the cord is resistant to various weather conditions, offering excellent durability and protection against heat, cold, and moisture. The cord’s ETL/cETL certification ensures its compliance with high safety standards. One of the key features is its LED power indicator, which provides a visual confirmation when the cord is connected to a power source. Additionally, the cord includes a convenient disconnect handle for safe and easy plug-in and unplugging, preventing accidental injury. It also comes with a storage bag and plastic strap for easy organization, keeping your garage or RV tidy.

Key Features, Pros, and Cons

Key Features:

1. 50-amp electrical rating, suitable for 6250W (125V) and 12500W (250V).
2. NEMA 14-50P to NEMA 14-50R connectors for wide compatibility.
3. LED power indicator light for visual confirmation of power connection.
4. Weather-resistant 6/3+8/1 gauge STW jacket for durability.
5. Includes a storage bag and plastic strap for easy organization.

Pros:

1. Heavy-duty construction ensures long-lasting durability.
2. Easy-to-use disconnect handle improves safety during plug-in and unplugging.
3. LED power indicator light provides clear visual feedback.
4. Weather-resistant design performs well in various conditions.
5. Convenient storage accessories keep the cord organized and tangle-free.

Cons:

1. Some users find the cord to be heavy and difficult to maneuver.
2. The 25-foot length may not be sufficient for some users’ charging needs.

5. SEGUMA Extension Cord for EV Charging

The Seguma 40ft 40Amp J1772 EV Charger Extension Cable is a high-quality and reliable solution for extending the charging range of your electric vehicle (EV) or plug-in hybrid electric vehicle (PHEV). This extension cable is compatible with both Level 1 and Level 2 SAE J1772 chargers, allowing for versatile charging options whether you’re at home or on the go. With a 40-amp rating, it delivers efficient and fast charging without any power loss, ensuring your EV is ready to hit the road in no time.

Constructed with superior materials, the Seguma extension cord features silver-plated inlets for excellent conductivity, reducing the risk of overheating and ensuring a safe charging experience. The high-quality 100% copper TPE jacket makes the cord both durable and flexible, withstanding outdoor conditions and lasting longer than most other cords on the market. It also holds an IP66 waterproof rating, making it reliable in a variety of weather conditions. The 40ft length provides ample reach, while the included storage bag makes it easy to store when not in use. Backed by a one-year manufacturer warranty, this extension cable offers great value and peace of mind.

Key Features, Pros, and Cons

Key Features:

1. 40ft length for extended charging reach.
2. 40-amp rating for powerful and efficient charging.
3. Silver-plated inlets for excellent conductivity and safety.
4. Made from 100% copper TPE for durability and flexibility.
5. IP66 waterproof rating for reliable outdoor use.

Pros:

1. Fast and reliable charging with no power loss.
2. High-quality build ensures long-term durability.
3. Flexible and easy to use, even in harsh weather.
4. Compatible with both Level 1 and Level 2 J1772 chargers.
5. Comes with a storage bag for convenient storage.

Cons:

1. Requires full uncoiling before use to avoid overheating.

6. LEFANEV Extension Cord for EV Charging

The LEFANEV 40A 20 Feet EV Charger Extension Cord is a reliable and essential accessory for electric vehicle (EV) owners. This extension cable is designed to extend the reach of your EV charging station, allowing you to charge your vehicle when the original cable is too short. With a 40-amp rating and a maximum voltage of 250V, it ensures a steady and efficient power transfer for your electric vehicle, making it suitable for most Level 2 EV chargers, including Tesla-compatible units.

Manufactured to meet or exceed SAE J1772 safety specifications, this cord provides a safe and dependable charging experience. Its 20-foot length offers flexibility, allowing users to extend their charging range, whether it’s from a garage to a driveway or from a wall-mounted charging station to your vehicle.

Key Features, Pros, and Cons

Key Features:

1. 40-amp rating, supporting 250V for efficient Level 2 charging.
2. 20-foot length for extended reach.
3. Manufactured to meet SAE J1772 safety standards.
4. Compatible with most EVs, including Teslas and Mustangs.
5. Ideal for when your original charging cable is too short.

Pros:

1. Provides flexibility and extended reach for charging.
2. Meets SAE J1772 safety specifications for reliable performance.
3. Suitable for Level 2 charging with 40A power transfer.
4. Well-constructed and compatible with multiple EV models.
5. Easy to use, ideal for residential use.

Cons:

1. Limited to 250V, may not be ideal for all EV charging needs.

7. RVMATE Extension Cord for EV Charging

The RVMATE 50 Amp 25 Feet RV/EV Extension Cord is a high-quality and durable solution designed for extending your power reach when charging your RV or electric vehicle (EV). Rated for 50 amps and 125V/250V, this extension cord supports up to 12,500 watts, providing efficient power for most RVs and Level 2 EV chargers. The cord features a 90-degree UV-resistant plug with a larger handle space, making it easy to plug in and unplug. The molded-in design enhances safety, while the strain relief structure ensures the cord remains intact and doesn’t break easily, even under heavy use.

Constructed with copper wire for superior conductivity and a flexible PVC jacket, this extension cord is both reliable and easy to handle. Its LED power indicator provides clear feedback when the cord is connected to a power supply, ensuring safety and visibility. The cord is ETL listed, confirming it meets high safety standards. Additionally, it comes with a storage bag, plastic strap, and cleaning towel for easy organization and maintenance, adding value and convenience.

Key Features, Pros, and Cons

Key Features:

1. 50 Amp rating supports up to 12,500 watts.
2. UV-resistant 90-degree plug with larger handle space for easy use.
3. Copper wire for excellent conductivity.
4. LED power indicator light for connection status.
5. Includes a storage bag, plastic strap, and cleaning towel.

Pros:

1. Heavy-duty and durable construction for long-term use.
2. Easy to use with a larger plug handle space.
3. Superior conductivity with copper wire.
4. LED indicator ensures safe connection.
5. Includes accessories for convenient storage and maintenance.

Cons:

1. Some users find the cord heavy and difficult to maneuver.
2. The 25-foot length may not be sufficient for all setups.

8. Inteset Extension Cord for EV Charging

The Inteset 21ft 40amp J1772 EV Extension Cord is a high-quality, reliable solution designed to extend the reach of your electric vehicle (EV) charging station. With a 40-amp rating and 220V compatibility, it supports continuous use for Level 1 and Level 2 EV chargers, providing efficient and consistent power to your EV without power degradation. The cord is made with ultra-flex cable technology, allowing it to remain flexible in cold weather, making it easy to coil and store after use.

This extension cord is built with all UL-listed indoor/outdoor parts, ensuring safety and reliability. It features machine-crimped pins for improved conductivity, strength, and safety. The cord works seamlessly with all vehicles that accept the J1772 connector, including Teslas (with the appropriate adapter), except for the Tesla J1772 Wall Connector. Additionally, the extension cord comes with a convenient carrying bag, adding portability and ease of transport. Assembled and supported in the USA, it offers peace of mind with a 2-year warranty.

Key Features, Pros, and Cons

Key Features:

1. 40-amp rating for efficient Level 1 and Level 2 charging.
2. 21-foot length for extended charging reach.
3. Ultra-flex cable remains flexible in cold weather.
4. Compatible with all J1772 vehicles (except Tesla Wall Connector).
5. UL-listed parts for safety and reliability.

Pros:

1. High-quality connectors ensure consistent performance.
2. Easy to store and transport with included carrying bag.
3. Suitable for both indoor and outdoor use (IP65 rating).
4. Made in the USA with a 2-year warranty for added assurance.
5. Machine-crimped pins for improved conductivity and strength.

Cons:

1. Some users report tight plugs that make connections difficult.
2. Concerns about wire durability, with some users reporting wires pulling out.

9. NACS Extension Cord for EV Charging

The NACS EV Extension Cable is a high-performance 20ft extension cord designed for use with Tesla vehicles, including the Model 3, Model Y, Model S, Model X, and Cybertruck. This extension cord is compatible with TSL Wall Connectors, Destination Chargers, and Mobile Connectors, making it a versatile solution for extending your charging reach. With a 50A rating and a 240V power capacity, this extension cable supports up to 12KW of power, allowing for fast and efficient charging whether you’re at home or on the go.

Constructed with a 100% copper TPE cable, the NACS extension cord is durable and built to withstand tough weather conditions. It features silver-plated inlets for superior conductivity and an IP56-rated waterproof design, ensuring reliable performance in varying climates. The PA66 construction of the charger head adds extra safety, minimizing the risk of high-temperature hazards. Additionally, the 20ft length allows for greater flexibility in parking, making it easier to charge your vehicle when parked farther from the power source. Backed by a 1-year warranty and exceptional customer support, the NACS EV Extension Cable offers peace of mind with every charge.

Key Features, Pros, and Cons

Key Features:

1. 20ft length for extended charging reach.
2. Supports up to 50A and 12KW for fast and efficient charging.
3. Compatible with Tesla Model 3/Y/S/X/CT and various Tesla charging connectors.
4. Weatherproof, IP56-rated design for use in diverse climates.
5. Made with 100% copper TPE for durability and silver-plated inlets for superior conductivity.

Pros:

1. Fast charging capabilities with 50A power capacity.
2. Durable and weather-resistant, suitable for all conditions.
3. Enhanced safety with PA66 construction in the charger head.
4. Easy to store with a carrying bag and user manual included.
5. Compatible with a variety of Tesla charging connectors.

Cons:

1. Only works in conjunction with a Tesla charger, not as a standalone charger.

How to Choose the Best Extension Cord for EV Charging?

We’ll walk you through everything you need to know to select the best extension cord for your EV charging.

1. Understanding the Basics: What’s Needed for EV Charging?

When it comes to charging your electric vehicle, the extension cord you choose should meet certain specifications to ensure safety and performance. Charging an EV requires a reliable power source, and not all extension cords are created equal. Let’s start by examining the basic components and requirements of a quality extension cord for EV charging.

Key Specifications:

• Amp Rating: Your extension cord must match the amperage of your EV charger.
• Voltage Rating: The extension cord should be rated for 120V or 240V, depending on your charging needs.
• Gauge (Thickness): The gauge indicates the wire’s thickness. Lower gauge numbers (e.g., 12 AWG) are thicker and better for long-distance or high-power applications.

Knowing these specifications will help you choose the best cord based on your EV charger and home power supply.

2. What to Consider When Choosing an Extension Cord for EV Charging

Selecting the right extension cord for your electric vehicle is more than just about the numbers. Here are some essential factors to think about to ensure you get the most out of your charging experience.

a. Length of the Cord

The length of the extension cord will depend on where you park your EV relative to the charging outlet. Here’s a quick breakdown:

• Short Cord (under 25 feet): Ideal for parking close to the outlet.
• Medium Cord (25–50 feet): A good choice if your car is parked at a moderate distance.
• Long Cord (50+ feet): Best for larger properties or if your parking space is far from the outlet.

b. Indoor vs. Outdoor Use

Make sure the extension cord you select is designed for the intended environment:

• Outdoor-rated cords are built to withstand weather elements like rain or snow.
• Indoor-rated cords are perfect for sheltered areas but should never be exposed to moisture or extreme temperatures.

c. Durability and Safety

EV charging can take several hours, and it’s important that the extension cord can handle prolonged use without overheating or degrading. Look for cords that feature:

• Heavy-duty insulation to prevent wear and tear.
• Fire-resistant properties for added safety.
• UL certification to ensure the cord meets safety standards.

3. Why Gauge and Amp Rating Matter for Your EV

A question that often arises when choosing an extension cord for EV charging is, “Why does the gauge and amp rating matter so much?” Here’s why:

• Amp Rating: The higher the amp rating, the more power the cord can handle. If you have a Level 2 charger (240V), you’ll need an extension cord that can handle at least 30-40 amps.
• Gauge: The lower the gauge number, the thicker the wire, and the more current it can safely carry. For EV charging, it’s important to select a cord with a lower gauge number (e.g., 12 or 10 AWG) to ensure it can handle the high demand without overheating.

4. Avoiding Common Mistakes When Buying an EV Extension Cord

Now that you know the specs, it’s time to avoid some common pitfalls. These mistakes can impact the safety and effectiveness of your charging setup:

• Choosing the wrong voltage: Using a 120V cord for a 240V charger is a big mistake. Always match the voltage rating with your EV’s charging requirements.
• Overestimating distance: Don’t overestimate how far your parking space is from the charging outlet. Using an overly long extension cord can lead to power loss, making the charging process slower.
• Opting for low-quality cords: Safety should always be a priority. Low-quality, non-certified cords may pose risks like overheating or even fires. Always choose cords with UL or ETL certification.

5. How to Properly Use an Extension Cord for EV Charging

Once you’ve picked the right extension cord, it’s essential to use it correctly to ensure both safety and efficiency. Here are a few tips for getting the most out of your EV extension cord:

• Avoid running the cord under carpets or furniture: Doing so can cause the cord to overheat.
• Store properly when not in use: Store the extension cord in a dry, cool place to avoid damage to the insulation.
• Check for damage regularly: Before each use, inspect the cord for cuts, abrasions, or other damage to ensure safe operation.

Frequently Asked Questions About the Best Extension Cord for EV Charging

1. What is the best extension cord for EV charging?

The best extension cord for EV charging depends on your charging requirements. Key factors include the length, amp rating, voltage, and durability of the cord. Look for an extension cord with a 10 or 12 AWG gauge, rated for 240V and 30-40A for most Level 2 chargers.

2. Can I use any extension cord for EV charging?

No, not all extension cords are suitable for EV charging. It’s crucial to choose a cord specifically designed to handle the high power requirements of an EV charger. Standard household extension cords may not be able to safely carry the necessary current. Always choose a cord rated for high amperage and heavy-duty use to avoid potential safety hazards like overheating or electrical fires.

3. What gauge extension cord should I use for EV charging?

For EV charging, it’s recommended to use a cord with a 10 AWG or 12 AWG wire. The lower the gauge number, the thicker the wire, which can handle higher power levels without overheating. A 10 AWG cord is suitable for 40A charging, while a 12 AWG cord can support 30A. Always choose a cord that matches or exceeds the amperage of your EV charger.

4. How long should my extension cord be for EV charging?

The length of the extension cord depends on the distance between your vehicle and the charging outlet. Here’s a general guide:

• Under 25 feet: Ideal for parking close to the charging outlet.
• 25-50 feet: Good for moderate distances.
• Over 50 feet: Best for large properties or longer parking distances. However, avoid using excessively long cords if not necessary, as this can result in power loss during charging, slowing down the process.

5. Can I use an extension cord outdoors for EV charging?

Yes, but it’s important to choose an outdoor-rated extension cord. These cords are designed to handle exposure to the elements like rain, wind, and UV rays without degrading. Make sure the cord is weather-resistant and UL certified for outdoor use. Avoid using indoor-rated cords outside, as they may not provide the durability or protection needed for safe outdoor charging.

6. Are there any safety concerns with using an extension cord for EV charging?

Yes, safety should always be a top priority when using an extension cord for EV charging. Make sure your extension cord is UL listed, which ensures it meets safety standards. Additionally:

• Ensure the cord is rated for high amperage to prevent overheating.
• Never use a damaged or frayed cord.
• Avoid running the cord under carpets or heavy objects that could trap heat.
• Regularly inspect the cord for wear and tear.

7. What voltage should my extension cord be rated for EV charging?

The extension cord should be rated for 240V if you’re using a Level 2 charger (which is common for most home EV chargers). Some EVs may also support 120V charging (Level 1), so if you plan on using a Level 1 charger, a 120V-rated extension cord would be sufficient. Be sure the cord matches the voltage requirement of your charger.

8. Can I charge my EV with a standard household extension cord?

While it may seem like a standard household extension cord could do the job, it’s not recommended for EV charging. Standard cords are typically not designed to handle the high power demands of charging an electric vehicle and may overheat or cause electrical hazards. Always use a heavy-duty, high-amp extension cord rated for EV charging to ensure safety and efficiency.

9. How do I know if the extension cord is compatible with my EV charger?

To determine if the extension cord is compatible with your EV charger, check the amp rating, voltage, and gauge of the cord against the specifications of your charger. For example, if your charger operates at 240V and requires 30A, choose an extension cord that is also rated for 240V and can safely handle at least 30A. Refer to the product’s specifications or consult the manufacturer to confirm compatibility.

10. Is it safe to leave the extension cord plugged in while my EV charges overnight?

Yes, it is generally safe to leave the extension cord plugged in for overnight charging, as long as you are using a properly rated cord. Ensure that the extension cord is rated for heavy-duty use and is UL certified. Avoid using a low-quality or damaged cord. If you’re leaving the extension cord outside, ensure it’s weather-resistant and can handle outdoor conditions. Always check the cord for wear and tear before each use.

Conclusion

Choosing the best extension cord for EV charging doesn’t have to be complicated. By focusing on key factors like gauge, amperage, and length, you can ensure a safe and efficient charging experience. Whether you opt for the top-tested models we’ve reviewed or a more budget-friendly option, the right cord will not only enhance your convenience but also provide peace of mind knowing your EV is charged safely.

Check out our EV charger reviews below.

• Best Home EV Charger
• Best Level 1 EV Charger
• Best Level 2 EV Charger