Keep your batteries organized and easily see what you need. Never hunt through your clutter for batteries again! Mount this convenient 66-battery organizer to a wall, or slide it in a drawer. Includes a mini-drawer to keep hearing aid and watch sized batteries secure, and slots for all common sizes: D, C, AA, AAA batteries, and more. Convenient removable battery tester also included. Range Kleen WKT4162 Battery Storage Unit is one of many PDAs available through Office Depot. Made by Range Kleen.