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EV Charger Extension Cable, 21ft J1772 Extension Cable Compatible with All 110V-240V SAE J1772 EV Chargers, Suitable for J1772 EVs/PHEVs,Level 1/ Level 2 IP66 EV Extension Cord with Carrying Bag

  • Based on 23 reviews
Condition: New
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Availability: Only 9 left in stock, order soon!
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Arrives Monday, Nov 4
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Features

  • Reminder: It is an EV Extension Cable for J1772 Car only. Tesla Vehicle requirs a J1772 adpter(not included).
  • 21FT J1772 EV Extension Cable-The Seguma 20 ft / 6m J1772 ev extension cord is designed to connect the Level 1 or Level 2 charger which with J1772 connectors, and extend its charging reach for your J1772 EVs/PHEVs from farther away.Whether you're charging at home or on the go, this extension cord offers both power and reach to meet your EV charging requirements.
  • Powerful 40Amp Reliable Charging- With a max. charging capacity of 40 amps, this J1772 extension cable can provide powerful and reliable charging for your EV/PHEV in a very short time. No power loss. This means that you can charge your EV quickly and efficiently, getting you back on the road in no time.
  • Superior conductivity for Safety charging- The inlet of the j1772 extension cord features silver platings that provide excellent conductivity and prevent overheating. This ensures that the charging process is efficient and safe, allowing you to charge your EV with peace of mind.
  • Durable EV Charging Cable- Made of high-quality and 100% copper TPE cable, solid J1772 connecter and scoket, the ev charger extension cord is built to withstand the rigors of everyday use. It is stronger and more durable than other cables on the market, ensuring that it will last for a long time. Additionally, its waterproof design (IP66 rated) allows you to use it in any weather condition.
  • 1 Year Warranty-Seguma provides 1 year warranty on the ev charger extension cable on any quality issues. If there is any questions on the operation, pls contact us for 24/7 support.

Brand: SEGUMA


Connector Gender: J1772 to J1772 Extension Cable


Voltage: 240 Volts


Input Current: 40 Amps


UL Listed: No


Package Dimensions: 15.04 x 12.64 x 4.41 inches


Item Weight: 8.12 pounds


Item model number: EV-200-0009


Date First Available: August 2, 2023


Manufacturer: SEGUMA


Frequently asked questions

If you place your order now, the estimated arrival date for this product is: Monday, Nov 4

Yes, absolutely! You may return this product for a full refund within 30 days of receiving it.

To initiate a return, please visit our Returns Center.

View our full returns policy here.

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Leasing options through Acima may also be available during checkout.

Learn more about financing & leasing here.

Top Amazon Reviews


  • The only review thus far from someone who actually paid for it? This cable is great.
Size: 21FT-40Amp
I just purchased this cable and took a gamble since all of the prior reviews were from VINE people who got it for free. (I paid $50 under the well-known brand cable also available so for 25% less, and free amazon returns, what could go wrong?) Answer: nothing. The cable from Seguma is well-made heavy cable and works perfectly with no loss in power, no noticeable excess heat, and solid connectors. I received no incentives for this honest review. Background on why I purchased this cable: I've been driving EVs for 12 years now and as such, I have one of the very old original Ecotality (long since bankrupt) Blink chargers that still works great but can't deliver more than 24A (even on my 240V/40A circuit). I just purchased a new 2023 Tesla Model Y (which came with the Female J1772 adapter to the Tesla NACS/SAAW J3400 plug) which allowed me to plugin my old charger to my new Tesla perfectly and get 24A. The problem was that with the charge door at the rear of the Tesla, and my garage space very tight, I couldn't back the Tesla in and be close enough for the charger cord to reach. So I was down the path of a Tesla Wall Connector and a 60A circuit upgrade to get the full 48A charger my Model Y could handle. $1500 for the circuit upgrade and another $500 for the wall connector - and I was looking at $2k... for what? So I could charge the entire battery in 6 hours during super-off-peak? I realized I never need to go that far and could always put it on the supercharger if I needed to. The cable: So after evaluating all of the options in the market (extending my NEMA 6-50 outlet with an extension cord, extending the length of the outlet to bring the charger closer, etc.) I stumbled across this J1772 extension cord from Seguma ... with no reviews from people that had purchased the cable. It came well packaged, connectors protected, entire cable protected in plastic for that matter, in a nice case (that I'll never use the cable will just be run down the side of my garage on the floor). It's the almost exactly cable used on my original Blink charger, solid, good quality rubber, the right about of flexibility but not too much. Now I have Charger (J1772 Male) -> (J1772 Female) Seguma Charging Cable (J1772 Male) -> (J1772 Female) Tesla included Connector (NACS/SAAE J3400 Male) -> 2023 Tesla Model Y Performance (total of about 41ft total) Initial tests have been fine. I still get the full 24A I was getting off of the charger before using this extension cable. I saved $1850 off of the upgrade to a wall connector option and 25% off of the competitor cable everyone seems to always purchase on Amazon. I'm very happy with my purchase thus far but will update this review if I ever have any issues. ... show more
Reviewed in the United States on October 6, 2023 by Mike B

  • Worth it
Size: 21FT-40Amp
Charges my car well not as slow as others
Reviewed in the United States on January 18, 2024 by meghan

  • Works as stated
Size: 21FT-40Amp
Perfect for my use
Reviewed in the United States on January 21, 2024 by macrbg

  • Stopped working within a week. Returned defective.
Size: 21FT-40Amp
Stopped working.
Reviewed in the United States on January 15, 2024 by Fredrick L. C

  • Great to have for keeping the charging cables clean in the garage
Size: 21FT-40Amp
My EV charger is on the other side of the garage. I use this extension cable to route the cables on the ceiling, so I can drop on the charging cable in the middle of the garage, that way I can use it to charge both cars whenever I need to. This extension cable is long enough for a 2 car parking garage, and very good quality. I was able to charge my Tesla at 40amp with no issues at all. ... show more
Reviewed in the United States on October 16, 2023 by Jkuo

  • Comes in handy
Size: 21FT-40Amp
Now I can charge my vehicle even when my wife PARKS in front & I am unable to reach the charger. Now instead of having to move her vehicle & then move my vehicle where hers was... I can just used this EV extension cord. Its perfect & it works great, even with my level 2 charger.
Reviewed in the United States on October 22, 2023 by Brenden M. Laye

  • Solid copper cabling appears to reduce electrical loss in the longer cable.
Size: 21FT-40Amp
This is a heavy copper cable sheathed in TPE. It appears that the thickness of the cable does a great job of reducing loss in the longer cable. The connector makes a tight connection between the charger cable and the extension cable. This is totally a viable option instead of rerouting electrical lines to bring them closer to your EV. Recommended. ... show more
Reviewed in the United States on October 6, 2023 by Alan

  • Durable extension
Size: 21FT-40Amp
As expected. Feels very strong and durable. Love the case. And so far it’s given me no issues. If you need more length this is a great buy.
Reviewed in the United States on September 27, 2023 by Chris

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