What’s the Difference between J1772, CCS, CHAdeMo, GB/T, NACS and ChaoJi EV Charging Connectors?
Currently, there are 6 EV charging connectors used in the world. These are J1772, CCS, CHAdeMo, GB/T, NACS and CHAoJi.
Here’s a detailed comparison table showing all the specifications of each connector type followed by brief detail about each connector type with photos for you to identify it.
Difference between J1772, CCS, CHAdeMo, GB/T, NACS & ChaoJi
Here is the detailed comparison table showing the difference between each type of charging Plug/Connectors:
| Adapter → Compatibility Specs ↓ | J1772 Type 1 | J1772 Type 2 -Mennekes | CCS Type 1 | CCS Type 2 | CHAdeMo | GB/T | NACS | ChaoJi (ChAdeMO 3.0) |
|---|---|---|---|---|---|---|---|---|
| Charging Current | AC single-phase | AC single & three-phase | DC | DC | DC | AC (single & three-phase)/DC Both | AC (single & three-phase)/DC Both | DC |
| Max Input Voltage | 110V/240V | 110V/240V | 1000V | 1000V | 1000V | 750V | 500V | 1500V |
| EV Charger Level | Level 1, Level 2 | Level 1, Level 2 | Level 3 | Level 3 | Level 3 | Level 1, Level 2, Level 3 | Level 1, Level 2, Level 3 | Level 3 |
| Max Power Output | Upto 19.2kW | upto 19.2kW single-phase, upto 43kW three-phase | 350kW | 350kW | 200kW | 250kW | 600kW | 900kW |
| Mostly Used in | North America, Japan and parts of Asia | Europe | America, Korea, Taiwan, Asia | Europe, Korea, Taiwan, Asia | Europe, Asia | China | Used only Tesla models | China |
Brief detail on each EV charging connector type
1) J1772 connector:
J1772 is also called SAE J1772 or J plug. It is a North American standard for charging connectors for electric vehicles. It is developed and maintained by SAE International formerly known as the Society of Automotive Engineers.
There are two variants of this connector J1772 type 1 and type 2.
J1772 type 2 variant is also known as Mennekes. Because the design of this type 2 plug was first introduced by a German company named “Mennekes”.
2) CCS connector:
Combined Charging Systems (CCS) are mainly designed for DC charging but they also support AC charging. There is just the addition of 2 extra pins in the J1772 connector makes it a CCS or Combo connector.
There are two variants of this connector: Type 1 or CCS1 and Type 2 or CCS2, respectively as of J1772 variants.
CCS standard was developed by SAE in collaboration between US and German automakers.
3) NACS connector:
North American Charging Standard (NACS) is developed by Tesla, Inc. It is also called Tesla charging standard.
It is currently being standardized as SAEJ3400 and is probably going to be adopted by major auto manufacturers in the future.
4) CHAdeMo connector:
CHAdeMo – a short form of ‘CHArge de MOve’ means ‘Charge for Moving’. Also a pun for ‘O cha demo ikaga desuka’ in Japanese. It means ‘Let’s have a cup of tea while charging’.
It was developed by five major Japanese automakers and the Tokyo Electric Power Company forming the CHAdeMo association.
Now this is a dying standard in North America being replaced by CCS1. So in the upcoming time, you may not see this connector anymore in EVSEs and also in the charge port in EVs.
But there is an improved standard of this CHAdeMo called CHAdeMo 3.0 or ChaoJi, which I’m going to discuss later here.
5) GB/T connector:
GB/T charging standard was developed in China and published by China Electricity Council (CEC). It is mainly used in China.
6) ChaoJi connector
China Electricity Council (CEC) and CHAdeMO working together to develop a new standard ‘ChaoJi’ also called CHAdeMO 3.0. It is currently under development.
