Portable charger

The utility model relates to the field of chargers. The utility model discloses a portable charger. Cabinet, a handle is mounted on the upper surface of the cabinet; the cabinet is provided with at least one group of vent holes. The group of ventilation holes are formed in one surface of the cabinet; one group of ventilation holes is in a matrix shape comprising a plurality of rows; ventilation covers matched with the ventilation holes in shape and position are mounted on the ventilation holes; one side of the ventilation cover extends out of the cabinet; the other side of the ventilation cover is movably mounted in the cabinet through a telescopic device; a group of ventilation covers are fixedly mounted on the mounting frame through a plurality of connecting rods; the mounting frame is movably connected with the inner wall of the cabinet through a plurality of telescopic rods; when the portable charger needs to be moved, the ventilation cover can be contracted in the cabinet, the ventilation cover is not ea