... 1,power of solar panel: 0.5W 2,battery : LI-ION 3.6V 1500mah 3,light source: 1 ... pc of LED with 1 W 4,portable foldable solar ... bag with many years' experience.Product information: Parametres1, power of solar panel: 0.5W2, battery : LI-ION 3.6V 1500mah3, ... 7-8 hours;5, there are three gears for this solar energy bag, when first one is on, 2nd gear ...