At an AC charging station, AC power with the grid is supplied to this onboard charger, which converts it into DC power to recharge the battery. DC chargers supply higher power charging (which demands much more substantial AC-to-DC converters) by setting up the converter in to the charging station instead https://bookmark-media.com/story19009247/5-essential-elements-for-how-many-types-of-electric-car-chargers-are-there