The name itself, Electric Vehicle Supply Equipment, indicates the focus of the hardware beyond simply being a fancy plug and a contactor. Higher end EVSE will d

The name itself, Electric Vehicle Supply Equipment, indicates the focus of the hardware beyond simply being a fancy plug and a contactor. Higher end EVSE will do things like load balancing a shared supply of power (ie chaining multiple Tesla EVSEs to the same 50A line), setting supply power limits depending on how much power is in use (ie the Porsche Connect Plus modulating lower current when a clothing dryer starts), and managing Car to Grid functionality (Hyundai). EVSEs also manage DC charging in commercial settings, which bypasses part of the charging hardware in some cars. My Porsche Taycan is available with multiple chargers from the factory. I have the faster AC charger unit and there is a third unit that is only sold in Europe for Type 2 chargers. The actual charger handles converting AC to DC, which is car specific and why it’s not in the EVSE.