UP TO 100% EXTRA LIFE*. Duracell Plus batteries are multi-purpose alkaline batteries ideal for everyday devices SAFETY: The high-quality nylon top closure helps prevent our batteries from leaking DURABILITY: Duracell technology keeps the energy of unused batteries up to 10 years in their packaging (storage at room temperature) 98% of our cardboard packs are made from recycled materials. *Longevity performance compared to the minimum average duration of the 2015 IEC digital camera AA test. Results may vary by device or usage pattern (IEC website)).