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21FT J1772 Extension Cord, Heavy Duty EV Charging Extension Cable 240V 50A, Weatherproof EV Charger Extension Cord UL Certified for J1772 EVs (21FT,50A) | Specifications and Fitment

$188.99

5 ratingsSource: Amazon
SKU: B-B0FDH46JYQ Category:

Use the specifications, images, available variations, fitment notes, and referenced part numbers to check this product against your application.

About this item

  • 【Built to Handle More — UL-Certified Construction】:This J1772 extension cable is engineered for serious power and safety. Certified to UL standards, it uses a rugged 2×8AWG + 1×10AWG configuration with a 20.6mm diameter to support heavy-duty use. Whether for daily home charging or road trips, this EV charging extension cable delivers unmatched reliability.
  • 【Seamless Waterproof Protection – Built to Last】:Our molded plug ensures a tight, waterproof seal — even in tough outdoor conditions. With over 10,000 plug/unplug cycles tested, this EV charger extension cord is made for long-term use. Perfect for drivers needing a car charger extension cable that works rain or shine.
  • 【All-Weather Performance, Year-Round Confidence】:Operating flawlessly from -22°F to 122°F, this J1772 charger extension cord is ideal for garages, driveways, and outdoor charging setups. Whether battling snow or summer heat, this EV charging extension cable stands up to it all while maintaining a secure connection.
  • 【Compatible & Convenient Charging Extension】:Easily extend the reach of your Level 1 or Level 2 charger with this reliable J1772 extension cable. Use it at home, at work, or on the go — this EV charger extension cord fits standard SAE J1772 inlets and enhances any setup. A must-have car charger extension cable for EV owners.
  • 【Safe, Strong, and Smart Choice for EV Drivers】:From copper conductors to weather-sealed connectors, every inch of this J1772 charger extension cord is built with safety in mind. It’s more than just an EV charging extension cable — it’s the durable upgrade your electric vehicle deserves.

Before you order
  • Confirm the part number, position, dimensions, and connector details shown on this page.
  • Compare the listing with the part currently installed on your vehicle.

Description

Check the specifications, dimensions, variation details, referenced part numbers, and available fitment evidence before matching this item to an application.

Brand: wissandric
Package Dimensions 14.41 x 14.41 x 5.94 inches
Item Weight 9.35 pounds
ASIN B0FDL9CC7G
Item model number J1772-21FT-50A
Customer Reviews

5.0 5.0 out of 5 stars

5 ratings

5.0 out of 5 stars

Best Sellers Rank

  • #495,231 in Automotive (See Top 100 in Automotive)
  • #491 in Electric Vehicle Charging Station Accessories

Date First Available June 17, 2025
Manufacturer Wissandric

Extend your charging reach with this heavy-duty J1772 extension cable, designed for reliable and efficient power delivery to your electric vehicle. Built for daily use, this EV charging extension cable adds 21 feet of flexibility—perfect for home garages, public stations, or driveway setups.
Crafted with UL-certified materials and a 20.6mm thick cable (2×8AWG + 1×10AWG), this EV charger extension cord ensures durability, safety, and optimal current flow. Whether you drive a Ford, Nissan, BMW, or any J1772-compatible EV, this car charger extension cable works seamlessly with both Level 1 and Level 2 chargers.
The seamlessly molded connector head offers superior waterproofing and has been tested for over 10,000 plug-unplug cycles, making this J1772 charger extension cord ideal for long-term use. Rain or shine, it delivers power with confidence.
Engineered to perform in extreme climates, the J1772 extension cable operates from -22°F to 122°F without compromising safety. No matter the season, this EV charging extension cable maintains strong, consistent performance.
This EV charger extension cord is compatible with all SAE J1772 charging stations and ensures that your EV stays powered even when outlets are out of reach. It’s a dependable car charger extension cable that saves time and makes charging more convenient.
When it comes to safety, durability, and convenience, trust this premium J1772 charger extension cord to deliver. It’s not just an EV charging extension cable, it’s the ultimate solution for EV owners who need flexibility and performance.

Product facts

Specifications

Canonical product
MP-US-B0FDH46JYQ
Source product ID
B0FDH46JYQ
Category
Tools & Equipment / Garage & Shop / Electric Vehicle Charging Equipment / Charging Station Accessories
Available images
10
Size
50A-21FT, 50A-30FT, 50A-40FT, 50A-50FT

Vehicle information

Available fitment details

Listing compatibility notes

  • Use it at home, at work, or on the go — this EV charger extension cord fits standard SAE J1772 inlets and enhances any setup.
  • This EV charger extension cord is compatible with all SAE J1772 charging stations and ensures that your EV stays powered even when outlets are out of reach.

Fitment data is provided as a buying aid. Verify the listing against your vehicle and existing part before ordering.

Parameters, dimensions, material, fitment, and part numbers

Buying guidance

Quick decision

A charging station accessories listing with source specifications kept visible for comparison.

Fit and size notes

  • Use it at home, at work, or on the go — this EV charger extension cord fits standard SAE J1772 inlets and enhances any setup.
  • This EV charger extension cord is compatible with all SAE J1772 charging stations and ensures that your EV stays powered even when outlets are out of reach.

Specification notes

  • Size: 50A-21FT, 50A-30FT, 50A-40FT, 50A-50FT

Before you buy

  • Compare the listing title, photos, package contents, and specifications with the part being replaced.
  • Confirm vehicle compatibility and installation requirements before ordering.

Customer feedback

Ratings and written reviews

5.0 / 5 5 source ratings

Source: Amazon. Imported marketplace feedback is shown for product research and is not a review of a purchase made on this website.

5 written reviews
5 stars 5
4 stars 0
3 stars 0
2 stars 0
1 star 0

5 reviews for 21FT J1772 Extension Cord, Heavy Duty EV Charging Extension Cable 240V 50A, Weatherproof EV Charger Extension Cord UL Certified for J1772 EVs (21FT,50A) | Specifications and Fitment

  1. Imported from AmazonSource context: Size: 50A-21FT

    nahla

    Before getting this extension cord, I had to back into my driveway every time to reach the charger. Now I can park normally and still plug in with no problem. It works perfectly with my Level 2 charger, stays cool during use, and feels very solid. It’s made my daily charging routine so much simpler.

  2. Imported from AmazonSource context: Size: 50A-40FT

    Shakema lewin

    My home charger’s cord was just a few feet too short, and this J1772 extension solved the problem perfectly. The connections are solid, it fits securely on both ends, and charging is smooth with no overheating. The heavy-duty build feels like it will last for years. Worth every penny for the convenience.

  3. Imported from AmazonSource context: Size: 50A-21FT

    Theresa Bookman

    I was a bit worried about adding an extension for my EV charger, but this one exceeded my expectations. The cable is thick, the connectors lock in firmly, and it charges just as fast as without the extension. I also like that it’s rated for 50 amps, so I know it’s built for high power. Definitely a great buy!

  4. Imported from AmazonSource context: Size: 50A-50FT

    ALagos

    This extension cable feels very well-made and durable. I’ve used it in rain and cold weather with no issues at all. It connects easily to my existing charger and gives me the extra reach I need without having to move my car around. Highly recommend to anyone needing more flexibility for their EV charging setup.

  5. Imported from AmazonSource context: Size: 50A-21FT|Amazon Vine Customer Review of Free Product( What's this? )

    Steve L.

    This EV extension cable with J1772 connectors is top-notch. My charger cable barely reached my car when I parked in front of my garage. But this cable gives me the freedom to park behind my other car and still charge my EV. It’s very strong and thick, and the connectors click in solidly without any fuss. The best part is that it didn’t affect my EV’s charging speed. I’m really impressed with this product and highly recommend it!

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