Open box items have been inspected by GoSun and tested to perform just as well as brand new items. * 30-day warranty applies to open box items. Fits all your portable off-grid items in one place. Perfect for travel, school, picnic, or as a survival bug out bag. Keep your phone charged and light your way. Backpack includes the 10 watt solar phone charger, a 18wh lithium battery, LED light, Flatware, and large all weather Poncho. Weight & Dimensions 18 " x 13 " x 5" weight 3 lbs Upgrade to GoSun Pro Solar Backpack