A sun visor assembly for a motorized vehicle includes first and second panels configured to be pivotally mounted to a sun visor support rod. The second panel includes a solar panel to generate power to charge a portable device. The sun visor assembly includes a solar panel voltage regulator configured to generate a regulated electric power from electric power generated by the solar panel. The solar panel voltage regulator is operatively coupled with a device charging output port to output the regulated electric power to charge the portable device.