Energizer® MAX® AA batteries now hold their power for 10 years*. Our proprietary Power Seal Technology is assurance that you’ll have power you can rely on, whether you’re capturing baby’s first steps, competing in the final level of a video game marathon, or preparing for a storm on the horizon. A 10 year shelf life means that you can be confident you’ll always have power when you need it most. that's positivenergy!™