The new Duracell Optimum. Our most powerful AA alkaline battery. Duracell's most groundbreaking innovation yet, the new Duracell Optimum alkaline battery has a new cathode system that can provide up to 200% extra life in certain devices and extra power in others.¹ Optimum packaging stows new batteries in place and allows used batteries to be safely stored for recycling. ¹Provides extra life in AA size batteries compared to the average minimum life in the 2015 IEC digital camera test OR extra power in a variety of devices compared to the second best Duracell Alkaline AA. Results may vary by device and usage patterns. (IEC website). For more information, visit the Duracell website. https://elecena.pl/product/20818463/duracell-optimum-alkaline-battery-aaa-micro-4-pcs 2022-05-10 https://elecena.pl/product/20818463/duracell-optimum-alkaline-battery-aaa-micro-4-pcs 2023-02-05