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EV Charging Connector Types: What You Need to Know

Let's start with AC. There are two types of AC plugs:

  • Type 1 is a single-phase plug and is standard for EVs from America and Asia. It allows you to charge your car at a speed of up to 7.4 kW, depending on the charging power of your car and grid capability. 
  • Type 2 plugs are triple-phase plugs because they have three additional wires to let current run through. So naturally, they can charge your car faster. At home, the highest charging power rate is 22 kW, while public charging stations can have a charging power up to 43 kW, again depending on the charging power of your car and grid capability.

Two types of plugs exist for DC charging:

  • CHAdeMO:This quick charging system was developed in Japan, and allows for very high charging capacities as well as bidirectional charging. Currently, Asian car manufacturers are leading the way in offering electric cars that are compatible with a CHAdeMO plug. It allows charging up to 100 kW.
  • CCS: The CCS plug is an enhanced version of the type 2 plug, with two additional power contacts for the purposes of quick charging. It supports AC and DC charging. It allows charging at a speed of up to 350 kW. 

Let's consider two short examples. If you live in Europe and have a European car like the Renault ZOE, you can charge it a public station using a charging cable with type 2 plugs at both ends (type 2 to type 2). The maximum speed might be up to 43 kW.

Now, what do you do if you live in Europe and drive an Asian car like the Nissan LEAF? Well, you need a cable that connects the type 2 plug of the charging station with the type 1 outlet of your vehicle (type 2 to type 1). The maximum speed will be up to 7.4 kW.

To summarize:

Four types of plug exist, two for AC (type 1 and 2) and two for DC (CHAdeMo and CCS).
Type 1 is common for American vehicles, it’s a single-phase plug and can charge at a speed of up to 7.4 kW.
Type 2 is standard for European and Asian vehicles from 2018 onwards, it’s a triple-phase plug and can charge at a level of up to 43 kW.
CCS is a version of type 2 with two additional power contacts. It allows very fast charging.
CHAdeMO can be found in Asian cars and allows for high charging capacities as well as bidirectional charging.

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