The four adapters that cover most US EVs.

AC and DC adapters look similar and are not interchangeable. Here is what each one does, which cars it fits, and where it is unsafe to use.

Safety first: adapters carry high current for hours. Buy an OEM or UL/ETL-listed unit rated for the full amperage, and never use a DC adapter on an AC charger (or the reverse). A cheap adapter that fits is not the same as an approved adapter that works.