|With a built-in 10,400mAh battery, the TYLT ENERGI+ backpack is a next-gen backpack and mobile charging station for your phone, tablet MP3 player and more. The charging system is designed so you can route the cables to any one of the 5 external pockets or 2 internal pockets. You can even run a charging cable out the side of the bag and charge your phone while you use it. Designed with over 1,450 cubic inches of internal space and 13 total pockets, it's ready to carry all your gear on your adventures. Devices and cables shown not included.