We are professional solar chargerÿfactory in Chinaÿwith more than 10 years expierance in making solar products. We provide warranty of 1 year andÿ5 days no reason return for defect solar chargers.ÿThis 36w 5v 2014 portable and flexible foldable solar charger can be used as a solar power supply pack for smartphone, powers cell phones, pda devices, mp3 players, digital cameras.and laptops, this is anÿideal solar chargerÿfor hiking, camping, sporting events, on campus and at the beach.