Use a DeWalt® 20V MAX Lithium Ion Battery and the internal custom design battery dock as a USB charging source (battery not included). Simultaneously charges two devices via USB ports—maximum two amps shared output. Three internal charging wall pockets—fits tablet, phone, and/or camera. A wide variety of hand tools can be organized with 20 multi-use inside pockets and three outside. Vertical tool wall organizes a variety of extended screwdrivers and hand tools. Large pads on back of bag provide extra comfort and add ease to stress areas of user's back when carrying heavier loads. Padded web carrying handles and adjustable shoulder straps make carrying more comfortable; additional convenience handles are located on each end for quick "from stow" to "go". Base pad feet helps reduce wear and abrasion.