Duracell 9V Plus Power Battery Pack 4'sDuracell 9V Plus Power Battery Pack 4'sDuracell offers a wide range of batteries to be used in electronics that require reliable power. Duracell Plus 9V batteries are alkaline batteries ideal for powering all your devices. Duracell Plus 9V alkaline has 100% life guaranteed (commercial guarantee vs. The Minimum Average Duration across 2015 IEC 9V battery tests. Results may vary by device or usage pattern (IEC's website)). Unused Duracell batteries stay powered up to 5 years in ambient storage.SAFETY : Superior Nylon top closure helps preventing our batteries from leakage.98% of our paper-based packs are made from recycled materials.Available in AA, AAA, C, D and 9 V sizes. Duracell 9V Plus Power Battery Pack 4's Note: Image is for illustrative purposes only and may differ from the actual product.