SOLAR HYDRATION BACKPACK SOLAR HYDRATION BACKPACK,THE LATEST INTEGRATED DESIGN INTEGRATED THE FUNCTIONS OF SOLAR CHARGING,POWER STORAGE AND VOLTAGE OUTPUT.MEANWHILE,THE PRODUCT ... PRODUCT ENABLES YOU TO EMPOWER YOUR MOBILE PHONES AND DIGITAL PRODUCTS ANYTIME AND ANYWHERE.SOLAR PANEL POWER:1.35W-4W(SPECIFIED ... /ELASTIC WEBBINGITEM SIZE, 41X20X9CM,20PCS/CTN(50X38X40CM,11/10KGS) SOLAR HYDRATION BACKPACK