Internal Custom Design Battery Dock Use Your Dewalt 20V MAX Lithium Ion Battery and our Internal Custom Design Battery Dock as a USB Charging Source. BATTERY NOT INCLUDED USB Charging Battery Dock Simultaneously charges 2 devices via USB ports. Maximum 2 Amps shared output 3 Internal Charging Wall Pockets Fit tablet, phone, and/or camera Low Battery Cut-Off Protection Monitors battery voltage to avoid battery charge over-depletion 31 Multi-Use Pockets Inside and 2 Outside Organises a wide variety of hand tools.Large Pads on Back For Extra Comfort Large Pads on Back For Extra Comfort Make carrying heavier loads more comfortable on stress areas of the back Padded Web Carrying Handles and Adjustable Shoulder Straps Make carrying more comfortable, plus convenience handles on each end for quick “from stow” to “go” Base Pad Feet Helps Reduce Wear and Abrasion