100% Life Guaranteed* (*Commercial guarantee vs. the minimum average duration across 2015 LEC C-size battery tests. Results may vary by device or usage pattern. Suited for everyday devices   Durability: Duracell technology keeps the energy of your unused batteries for up to 10 years in their packaging (Ambient storage) 98% of our paper-based packs are made from recycled materials. Manufactured in USA Available in AA, AAA, C, D, 4.5 V and 9 V sizes