The  solar   bicycle  bag  with Uni-Solar amorphous silicon thin-film solar cells serves as a portable charging

Facility .the solar panel, which is applied to the three –tier composite  technology , can turn solar energy into electric 

energy more efficient . electric energy will be stored in the storage battery 。It is suitable to be used for charging

most of mobile phones and small digital electronics. It  is your preferred product

for an emergency situation when no electricity is available .if there is no sunshine for a long time,   disposable daily battery