Get your sleek solar charging backpack today. This 50L pack has a 10W built in solar panel connected to a USB 2.0 port for charging of all yoiur USB devices on the go. This is 2019 and we think you need a solar charging back pack. When you on the trail or in the city, this is what you need for your next adventure. Stay charged and stay connected with our solar powered backpack. We offer free shipping on all orders. Place your order today!