Stop looking into cluttered drawers for batteries in an emergency. The Perfect Organizer and Tester is the perfect way to store all the batteries you need for your battery operated toys, tools, appliances, & portable electronics. The unit organizes and stores up to 51 batteries in all the popular sizes at their designated slots: AAA, AA, C, D, and 9V sizes. Lets everyone know where to find fresh batteries when they need them. The built-in tester makes it simple to tell whether a battery is new, slightly used or needs to be replaced with the easy to read LED display. The durable polystyrene organizer can be placed in a drawer, mounted in a cabinet or on a wall. Batteries are not included.