Make the smart move and get the power you need at a budget-friendly price.Duracell power, budget-friendly price vs Duracell coppertop in most devices-based on ANSI runtimeDesigned to prevent damaging leaks and tested twice prior to shipment to ensure reliabilityIdeal for the high use devices in your home including flashlights, wireless mice, remotes and moreMade in the USA12 years power guarantee in storage