CHARGER

A charger comprises a body installed on a frame of a charger body and having a space therein; a weight assembly accommodated in the space to be capable of being raised and lowered; and a wire connected to the charging cable and raising the weight assembly; in which the weight assembly may comprise a tray with an inner space formed; and at least one weight accommodated in the inner space, and the weight of the weight assembly may vary according to the number of weights accommodated in the inner space.