Solar bag series,it can absorb solar energy through solar energy panel and then turn solar energy into electric energy, which will be stored in storage battery. It can charge different specification cell phones through corresponding connectors .It is suitable to be used in the emergency situation when there is no electricity outdoors. If there is no sunshine for a long time, you can also get the electric energy by changing full power batteries. This product is Easy to operate, Safe to use, Convenient to take and Fashionable. It is an ideal product for living and traveling.