Our Black Series is simply the best ev charging cable we have ever made. We haver taken the old Teison cable and improved on every material used in production. Our connectors are made from the highest grade copper alloy and silver which lasts longer and ensures maximum contact every time. IP rating is IP55 which is one of the highest on the market and for real world use we have upped the abrasion resistance also. If you are looking for the best charging cable for your electric vehicle then look no further, Teison have it covered.