[pinkythepig]

J1772 plug (the one that every EV has) is an AC connection and there is a converter in the car that converts it to DC.

The super charge ports (CHAdeMO/CCS/etc) use DC power and are basically direct hookups to the battery.

https://en.wikipedia.org/wiki/SAE_J1772 https://en.wikipedia.org/wiki/CHAdeMO