We are professional solar chargerÿfactory in Chinaÿwith more than 10 years experience in making solar products. We provide warranty of 1 year andÿ5 days no reason return for defect solar chargers.ÿThis foldable solar charger is an outdoor foldable laptop solar charger bag and a portable solar charger bag for emergency for iPhone/iPad/Samsung/all mobilephones and tablets and laptops with 18v output.