1.Professional solar usb charger supplier for galaxy 3 2.with voltage ... ,high capacity,with 1.98W panel 1.Professional solar usb charger supplier for galaxy 3,2.with voltage adjustible ... battery from over-charging, over-discharging, over-load, reversal connection and short-circuiting, the internal battery atomic and restoration ... it is not less than 80%; Professional solar usb charger for galaxy 3