... at least 8times every 3month.5, When the light not in use, please switch to "O" file (see Figure 1).6, Portable ... the hand-held lights automatically go out, when the sensors to reduce light to a certain value, the portable lamp lights automatically. Lantern charging ... , through the mobile phone charger cable to connect the campinglights USB, then enter the state of charge. solar charger and hand light