Liquid-cooled supercharge is to set up a special circulation channel between the cable and the charging gun, and the coolant that plays a cooling role is added to the channel, and the liquid is circulated through the power pump to bring the heat out. Compared with the traditional air-cooled charging pile, the liquid-cooled charging pile not only has a super fast charging speed, but also has low noise and no disturbing, the charging equipment is lighter and more friendly to women, low heat output and high safety advantages.