The sheet metal shell series AC charging piles are suitable for private residential areas, resettlement communities, commercial office buildings, urban complexes and other parking lots, or urban public charging piles (private cars, small capacity passenger cars, etc.) that can charge slowly for a long time. In addition, it is also suitable for new energy vehicle 4S stores, workshop debugging areas, new energy vehicle road rescue and other occasions that require frequent exchange of charging station sites or temporary power replenishment.