You can simply use a backpack to hold your essentials for cycling, hiring and more, but if you also need a handily way to charge your mobile devices, the BrikSun Levelsmay be more suitable for you.
This is a practical, eco-friendly solar powered backpack that measures 19 x 13 x 6 inches and weights 2 lbs. As we can see from the images, the backpack low-profile, stylish design, and is constructed of HP cotton blend for durability. Most importantly, the backpack also features an integrated black matte-finishedin order to effectively absorb solar energy and store in built-in 2400mAh so you can conveniently charge your smartphone during cycling, and an included USB cable also allows wall charging of the on cloudy days. Apart from that, its padded laptop sleeve holds up to 17″ laptop, and the external bungee cords keep damp items in place.