**********This battery case can store up to 72 batteries, 26 x AA batteries, 10 x AAA batteries, 10 x C batteries, 8 x D batteries, 9 x 9V batteries, 6 x CR, 3 x AG batteries. *****Battery organizer and tester design, easily check if the batteries are good, it can test different types of batteries, even rechargeable ones*****Mount it on wall or in your tool cabinet to save your drawer space, easy for you to see what you need*****Environmental protection: Storage batteries for recycle when the battery runs out*****Batteries are not included