NACS-to-CCS1 vs CCS1-to-NACS

These two adapters point in opposite directions. One lets a CCS1 car use a Tesla Supercharger; the other lets a Tesla use a CCS1 fast charger.

NACS-to-CCS1 adapterCCS1-to-NACS adapter
DirectionNACS → CCS1CCS1 → NACS
CurrentDCDC
Max power250 kW250 kW
Typical priceFree–$250$150–$250

NACS-to-CCS1 adapter

This is the adapter that unlocked Tesla's network for non-Tesla EVs. It carries DC power from a Supercharger's NACS plug to the car's CCS1 inlet, and it only works at stations that support third-party vehicles.

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CCS1-to-NACS adapter

Tesla's CCS1 adapter opens up non-Tesla fast chargers, which matters in regions where Superchargers are sparse. It is DC-only and requires car software that supports CCS charging.

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Bottom line: Buy the NACS-to-CCS1 adapter if you drive a non-Tesla CCS1 EV and want Supercharger access. Buy the CCS1-to-NACS adapter if you drive a Tesla and want to use Electrify America, EVgo or other CCS1 stations.