Duracell CopperTop 9V Alkaline Battery provides dependable and long-lasting power for a wide range of household devices. It features Duralock Power Preserve Technology, which helps maintain its power even during extended storage periods. This battery is designed to deliver consistent performance and is to retain its power for up to 5 years in storage. It is i for powering toys, remote controls, flashlights, calculators, clocks, radios, portable electronics, and many other devices. With its performance and long shelf life, this battery is a practical and reliable choice for everyday household use. Model Number: MN1604BIZ