At an AC charging station, AC power within the grid is supplied to this onboard charger, which converts it into DC power to recharge the battery. DC chargers give higher power charging (which needs much larger sized AC-to-DC converters) by making the converter into your charging station as an alternative https://flenzy.store/smart-ev-charging-station-7kw-11kw-22kw-high-speed-safe-and-intelligent-wallmount-charger-with-app-control/