The DeWalt DGCL33 33-pocket Lighted USB charging tool Backpack is the perfect tool bag or Backpack for every workman. It has a USB charging battery dock simultaneously charges two devices via USB ports. Maximum 2-amps shared output. Three internal charging wall pockets can hold a Tablet, phone, and/or camera and can charge two devices through a USB connection to a 20-Volt max Lithium battery pack.