Understanding the Differences in EV Charger Connectors

Understanding the differences in EV Charger Connectors (also known as plugs) is essential for EV drivers, charging station providers and installers, and policymakers. There are currently several different EV charging connector types in use around the world, each with different capabilities and available power levels. The most common EV charger plugs are Type 1, CCS, and CHAdeMO.

Type 1 plugs, also called SAE J1772, are used mainly in America and Japan. These single-phase plugs offer up to 3kW for public charging and up to 22 kW at home. EV manufacturers usually fit vehicles with Type 1 plugs during production, and then add their own proprietary connectors at the end of the car production process based on its destination market.

The Combined Charging System (CCS) Type 1 plug (also known as the Combo 1) combines the J1772 Type 1 plug with two high-speed DC fast charging pins. EVs with this connector can be charged at both Level 2 and Level 3 rapid charging stations. Tesla cars use this connection standard, and the company has open-sourced its design to allow other vehicle and charging station manufacturers to build their own CCS compatible charging stations.

The CHAdeMO connector, developed by Japanese automakers, is an older standard that is not as widely available as CCS or even Type 2. However, some EVs have socket adaptors to enable them to use public CHAdeMO chargers. Untethered EV charging cables usually feature a Type 2 connector socket on one end and a socket that fits the vehicle on the other, so are commonly found on public and home charge points. EV Charger Connectors

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