1.Professional solar usb charger supplier for galaxy 3 2.with voltage adjustible 3.LED light,high capacity,with 1.98W panel ... 1.Professional solar usb charger supplier for galaxy 3,2.with voltage adjustible,3.LED light,high capacity, with 1.98W ... battery from over-charging, over-discharging, over-load, reversal connection and short-circuiting, the internal battery atomic and restoration function ...