Hat with solar system

A hat with a solar system comprising:

• a body having an accommodation bag wherein the body has a wearing portion and a brim, the brim including a rectangular recess on a front edge, and an elongated cavity on a rear end of the recess;
• a power supply device disposed in the accommodation bag of the body and having a control unit and a battery, the control unit having a charging circuit and at least one external charging connector that is electrically connected to an electronic device, the battery being able to charge the electronic device;
• a lighting device comprising a switch, a seat, and an LED lighter, the lighting device being electrically connected to the battery of the power supply device and turning on or shutting down the LED lighter through the switch;
• wherein the seat includes a recessed portion open to a front end, two wings on both sides respectively, two holes through the wings respectively, two round gears each formed around a circular inner surface of the hole, two bifurcated guide grooves each formed on an outer surface of the wing, and two projections at both ends of a rear portion respectively, the projection being aligned with the corresponding guide groove;
• and wherein the LED lighter is shaped to releasably fit in the recessed portion, and the LED lighter includes two hollow cylinders on both sides of a rear portion respectively, each hollow cylinder having a lengthwise protrusion on an outer surface, the protrusion engaging the tooth of the corresponding gear so as to allow the LED lighter to clockwise or counterclockwise pivot about the seat in a tooth-by-tooth step;
• and
• a solar panel disposed on the body and electrically connected to the battery through the control unit, the solar panel transforming absorbed light into electric power, which is stored in the battery through the charging circuit of the control unit.