Find the right battery: Improper storage drains batteries Battery Daddy double-sided battery organizer is a compact and portable way to organize, store, and protect a large amount of batteries For example, did you know that batteries discharge when they come into contact with each other? The clear "Easy View" housing allows you to see everything at a glance and prevents unwanted contact. Compact battery storage box for 180 batteries The battery box has a sleek and compact design. Thus, both sides can be used to store up to 180 batteries of all types. The box has room for 78x AA, 64x AAA, 8x 9-Volt, 10x C, 12x button cell and 8x D batteries. The box can be easily stored in any drawer and thanks to the built-in handle, you can take it anywhere. With Battery Daddy, you stay organized and prepared for power outages, new gifts, or when you need to replace a dead battery. Includes Battery Tester Battery Daddy comes with a tester that can check if disposable or rechargeable batteries are still good. Just adjust the negative and positive of the batteries on the tester and you can see the result on the indicator. (Batteries not included)