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HUB 05 · Guides & Buying Advice

What Is a CCS Connector?

The connector most non-Tesla EVs fast-charge on, explained in plain English — including why CCS1 and CCS2 are not the same plug.

By Stephen V.Updated How we research
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CCS stands for Combined Charging System. It is the DC fast-charging standard most non-Tesla EVs in North America use. The clever part is in the name: CCS "combines" the familiar J1772 AC plug on top with two extra high-power DC pins below, so one port on the car handles both home AC charging and public DC fast charging.

CCS1 vs CCS2 — not the same plug

There are two regional versions. CCS1 is used in North America and builds on the J1772 AC connector. CCS2is used in Europe and builds on the Type 2 (Mennekes) AC connector instead. They are not interchangeable — a US CCS1 car cannot plug into a European CCS2 charger without conversion. For US buyers, CCS1 is the one that matters.

How CCS fits with J1772 and NACS

On a CCS1 car, you use just the top (J1772) portion for Level 2 home charging, and the full CCS1 plug for DC fast charging. The industry is now shifting to NACS(the former Tesla connector, standardized as SAE J3400), which does the same combined AC-and-DC job in a smaller plug. During the transition, adapters bridge the two — see our NACS-to-CCS adapter explainer and CCS vs NACS comparison.

What this means when you buy

If your EV has a CCS1 port, a normal J1772 home charger works with no adapter, and you fast-charge on CCS networks. To reach Tesla Superchargers you add a NACS-to-CCS adapter (many automakers now supply one). Newer cars increasingly ship with a native NACS port instead — confirm which your model has.

The gear

Recommended gear for this guide

The products this guide refers to, with prices pulled live from Amazon and dated on each card.

  • Lectron Lectron NACS → J1772 Adapter

    A J1772 car using NACS chargers

    Lectron NACS → J1772 Adapter

    The default adapter for a J1772 car to use a Tesla-style (NACS) home or destination charger — rated for the full 48 amps.

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Questions

Frequently asked

Is CCS the same as J1772?
Not quite. CCS1 includes the J1772 AC plug and adds two DC pins below it. You use the J1772 part for Level 2 home charging and the full CCS1 plug for DC fast charging.
What is the difference between CCS1 and CCS2?
CCS1 is the North American version (built on J1772); CCS2 is the European version (built on the Type 2 plug). They are not compatible with each other.
Is CCS being replaced by NACS?
The industry is transitioning to NACS (SAE J3400) for new cars, but the large installed base of CCS1 chargers is not going away soon. Adapters bridge the two during the changeover.

Keep reading

Receipts

Sources

We do not run a testing lab, and we do not pretend to. Where a measured number came from someone else's lab, we name them and link them. Where we could not verify something, we say so on the page rather than quietly leaving it out. Read our full method.