Battery Organizer(hold up to 72 Batteries) with Removable Battery Tester

Battery power is indicated by the lighting combination below - When three(red,yellow,green) lights are on,means the tested battery strength is good. - When two(red,yellow) lights are on,means the tested battery strength is weak. (You need to know a fully charged 1.2V rechargeable battery will only make tow lights on.) - When one(red) light is on,means the tested battery strength is low and can barely function. - When no light on,means the tested battery is completely exhausted and the battery should be properly discarded Dimensions:12 3/4 x 6 1/4 x 1 1/4"(30*16*3.4cm) The battery organizer can keep your battery organized and easy to chose. It's convenient to have batteries organized in one spot, rather than rattling around in a drawer. It's easy to find what you need and see when it's time to stock up. The organizer also is a space saver,with the organizer your drawer have more space for other stuff. Also with the removable battery tester,its easy to recognize the rest of strength of your battery ,so you can replace the bad battery in time.