Duracell PlusPower AA alkaline batteries now last longer than any previous Duracell Plus batteries. They provide performance in a broad range of everyday devices and up to 40 percent more power than Simply Duracell batteries. Along with offering great value, Duracell PlusPower alkaline batteries deliver long-lasting power and trusted quality from Duracell. High energy output, reliability and long shelf life. Duracell PlusPower now has longer life compared to previous Duracell PlusPower batteries.