Developed for high performance and maximum voltage retention, the Energizer Max Plus Baby has a shelf life of 10 years. The Energizer Max Plus Baby is an industrial alkaline battery for professional applications developed to provide reliable and long-term energy for professional devices. It can be used for mupltiple type of users from large-scale users in industry, government agencies, medical technology, entertainment technology to much more.20-pack of Energizer MAX PLUS Alkaline C batteriesLeak resistant design*Long-lasting power for your most demanding devices, like toys, portable radios, torches, and moreHolds power for up to 10 years in storageFrom the makers of the world?s longest-lasting AA battery: Energizer Ultimate LithiumEnergizer created the world?s first zero mercury AA alkaline battery, commercially available since 1991