Specifications1.Item Name: 25L Nylon Solar Backpack for Outdoor Camping Hiking2.Item No.: SS-SBP0023.Solar Panel: 6V 6.5W4.Solar Panel Size: 155*302mm5.Transfer Rate: 22%6.Bag Capacity: 25L7.Material: nylon8.Color: Blue/Red9.USB Output: 5V 1A10.Size: 470*330*100mm11.Weight: 750gPacking Content1. 1pc solar backpack2. 1pc 6.5W solar panel3. 1pc USB4. 1pc drinking water bagFeatures1.Long lifespan,Website:http://www.sunnysamsolar.com, green power, environmental protection.2. The solar power bag is a stylish backpack with all of the functionality and looks of a well-equipped backpack with the addition of a solar charging module.3. The USB output is 1A 5V.4. The solar bag have about 1.8L water bag inside, you can drink water any time on bike.5. The front flap features a light-weight, flexible, integrated solar charging for ipad tablet or mobile phone, if you don't have a power outlet.6. Solar power bag is a cool, stylish and durable backpack with a detachable solar panel on it that will charge your devices by the sun.7. 6.5W high efficiency solar cells which USA imported, 22% transfer in a protective anti scratch hardened coating, is weather-resistant and durability. 8. Solar power bag has a powerful new technology solar panel that charges a dead cell phone very quickly as well as tablets, and many mobile electronic chargeable devices.9.Solar power bag keeps you from being in a situation when you are powerless.10.Lightweight removable panel designed with cutting edge solar panel technology.11.Great for kids at school, music festivals, camping, hiking, biking, all kinds of travel as well as many other lifestyle activities.How To Use    Just need to contact your cell phone or ipad to solar panel,and keep the solar panel be touch with sunlight all the time, then charge the cell phone about 2-3 hours. You can use it for iPhone, android, ipad, charging treasure, flashlight, fishing light and so on, please notice keep the voltage at 5V. Solar panels can directly into electricity, but can not store electricity. Solar Panel is waterproof, but you can not make it in rain all the time, because it is energized. Solar panels is durable and bendable, so do not worry it will broken.