A lot. Minhang zhuanqiao Wanda parking lot has a row of charging piles, which can be charged by tram for free, so there are many charging piles in zhuanqiao Wanda. Charging pile refers to a charging device that provides energy supplement for electric vehicles. Its function is similar to that of a tanker in a gas station. It can be fixed on the ground or wall and installed in public buildings (public buildings, shopping malls, public parking lots, etc.). ) and parking lots or charging stations in residential areas, and can charge various types of electric vehicles according to different voltage levels.