Flashlights, flameless candles, kids' toys -- every household runs on batteries. But those elusive little power packs are not always easy to find when you need them most. The search is finally over . With this storage case, there's only one place to go when you need a fresh battery to keep household items humming. It has plenty of places for AAAs, AAs, C and D batteries, and even 9V and coin cells, plus extra space for other essentials, like USB cords or a flashlight. And, built-in illumination means a dimly lit room or power outage won't leave you fumbling in the dark. Don't worry about grabbing a deadbeat battery. Not only does this case keep your collection close at hand and organized, but it comes with its own tester. Now you'll know before you install each battery if it's ready to rev up that remote or give those holiday decorations their magical glow.