What is AC Charging Pile?Ac charging pile definitionAc charging pile is a facility used to provide AC charging for electric vehicles. Unlike DC charging piles, AC charging piles convert alternating current from the grid to direct current through on-board chargers, which then charge the batteries of electric vehicles.Ac charging pile working principleAc input: Receives AC power from the grid.Output: The AC is output to the charging interface of the electric vehicle.In-car charger: The in-car char