Abstract: A plug-in power supply device for outdoor leisure products, such as parasols, which feature a lifting handle casing. A handle is set on the casing and the lifting handle casing is installed at the middle section of the solar parasol's pole; on the top of the pole a canopy and an exposed solar panel outside the canopy are installed. Within the pole, an electric wire is set, one end of which is connected to the solar panel and the other end to the circuit board in the lifting handle casing. On one side of the lifting handle casing a recess is provided for a portable and detachable power unit to be snapped in. On the outer side of the portable power unit, a USB charger and outlet is provided. The portable power unit can be either attached to or detached from the parasol when in use. A cell phone can be charged when connected with the portable power unit through the USB charger and outlet.