[SAFE] Our JLong J1772 Extension Cable is manufactured to meet or exceed all original SAE J1772 safety specifications. Each unit is manufactured using Mil-Spec pneumatic pin crimping procedures, and carefully inspected and tested before shipping. [DURABLE] Our super flexible, durable 40 Amp rated cable is custom built in the USA. Additionally, our proprietary welded aluminum inlet handle is also fabricated in the USA - It's strong enough for you to DRIVE over without breaking. Each of our products are designed and assembled by EV enthusiasts in San Diego, CA. We trust in our products so strongly because we use them ourselves! [COMPATIBLE] Our JLong Extension Cable is capable of charging ANY modern electric vehicle in the US and Japan. *Tesla cars require their J1772 to Tesla adaptor [BE PREPARED] Whether a guest is blocking your home charge station, or a plug station hog has left their fully charged vehicle in the only spot a charger plug can reach - just pop open your trunk, bring out your ultra-portable JLong, and adapt! Your days of 'almost long enough' plug frustrations are over! [GUARANTEED] Our Jlong is guaranteed with a 1 year limited warranty on all internal components and connections. If you have any questions or concerns with your product at any time, our customer support technician team is available to help you by phone or email 9-5 PST M-F.