Now you don’t need an electrical outlet to charge your phone when you’re in the wilderness enjoying nature. Just charge this solar charging powerhouse before you leave your house and hang it off your backpack or tent to keep it holding a full charge when you’re out in direct sunlight. Pack this smart and powerful device with your outdoor equipment when you’re travelling and you’ll always be able to keep your cellular telephones and other 5V USB-charged devices charged up and ready to go. It’s easy to use, has double USB ports so you can charge two devices at once, and can handle the rugged shocks of hiking and climbing.