If you have chosen Procell batteries manufactured by Duracell to buy for whatever purposes that you need, you do not need to worry about the shelf life that these Procell batteries command, they are among the best batteries manufactured in the market. According to records, the Duracell battery that is the Procell ones, are known to last up to a whopping seven years as shelf life. So if you are worried about the performance of the batteries that you purchase because they have been on the shelf for several years, then here are a few things that you must know about the Procell to set your mind at ease. These Procell batteries contain no mercury and thus one does not have to worry about the reliability of the performance even though you are worrying about the shelf life of these batteries. There are also economical packagings that are available for those people who require these batteries in bulk for professional purposes. So a great shelf life and a long lasting life are among the best features that these Procell batteries guarantee. So if you have been recommended these batteries for use, it is for good reason.