The Energizer Max Alkaline C Battery is designed to deliver long-lasting dependability and powerful performance. The Max battery will hold its power for up to 10 years. The Max Alkaline batteries provide a long life for the flashlights and other everyday use items. The newest generation of alkaline batteries is exactly what is needed to get nearly any job done. FeaturesUp to 10 year shelf life0- 130 Fahrenheit operating temperatureZinc-Manganese Dioxide chemical composition