The battery box is really a business opportunity if you regularly use disposable batteries: the price per pack of 24 is very attractive and provides quality Duracell you a happy life, stable in time when you stand before the deadline indicated on the battery and substantially higher than that of "first prize" batteries: time of use, and cost you less with these batteries.
The cardboard box is a great idea: it is robust enough to withstand the wear and avoids having batteries that are scattered in your drawer. The color code is, for me, a gadget, as it very well recognizes the battery size.