... 1,power of solar panel: 0.5W 2,battery : LI-ION 3.6V 1500mah ... bag with many years' experience.Product information: Parametres1, power of solar panel: 0.5W2, battery : LI-ION 3.6V 1500mah3, light ... 7-8 hours;5, there are three gears for this solar energy bag, when first one is on, 2nd gear means 50 ... collecting, just fold the according to the size of the panel, then put it into the package bag. It can ...