Nearly 20 sets of 40kw, 60kw and 120kw DC charging piles are placed in the airport flight area to provide fast charging services for various electric vehicles on site. The high and low voltage compatible charging pile has an ultra-wide voltage output range and ultra-high charging current output capability, which can provide more efficient and faster charging. One charging pile can solve various types of vehicles such as ferries, tractors, shuttles and airport cleaning vehicles. At the same time, the charging pile is also suitable for forklifts, concrete trucks, heavy trucks and other construction machinery, special vehicles and other fields.