solar power camera bag 1,material:1680D 2,adapter: 4pcs 3,battery parameters: LI-ION 5.5V,90MAH ... , can turnover rate of solar energy is more than 16%2, solar panel: 5.5V 90MA 3, built-in high capacity rechargable ... hours8,time for built-in battery to charge mobile phone: 2 hours, a little different related to what kind of mobile ...