Patent attributes
A retrofit wireless solar charger apparatus for a mobile device, the charger apparatus having an enclosure enclosing: a photovoltaic (PV) array having an efficiency of at least 22 percent, the PV array exposed to ambient light; a battery in electrical contact with the PV array; an RF power transfer coil in electrical contact with the battery; a printed circuit board (PCB) having a front side and a back side, the PCB having surface-mounted components mounted on the front side and the PCB being in electrical contact with the PV array, the battery, and the RF transfer coil; and a two-sided adhesive layer, the two-sided adhesive layer adhered to the back side of the PCB; wherein the charger apparatus has a thickness ranging from 1 to 3 mm and the charger apparatus is retrofittably-adhered on-board the mobile device.
