Keep your tools handy while charging devices on the jobsite with the Custom LeatherCraft 23-Pocket Universal Charging Tool Backpack (ECP135). The backpack includes an internal USB charging system with a removable 10,000 mAh power bank that is capable of charging two devices simultaneously. It also features 20 multi-use pockets inside as well as outside pockets to keep tools organized. Padded web carrying handles and adjustable shoulder straps make carrying comfortable and convenient, while base pad feet protect the backpack from wear.