... SOLAR PANEL POWER:1.35W-4W (SPECIFIED BY THE CUSTOMER) CHARGING TIME:1-7HOURS, MATERIALS:1680D SOLAR BACKPACKS FOR LAPTOP,THE ... LATEST INTEGRATED DESIGN INTEGRATED THE FUNCTIONS OF SOLAR CHARGING,POWER STORAGE AND VOLTAGE OUTPUT.MEANWHILE,THE PRODUCT IS FIXED ... .SOLAR PANEL POWER:1.35W-4W(SPECIFIED BY THE CUSTOMER)CHARGING TIME:1-7HOURS,weight:200g,MATERIALS;1680D DOUBLE-STRAND PU ...