Energizer ultimate alkaline aa batteries in special packs energizer 637569 p the energizer 637569 is a pack 16 aa alkaline batteries 12 plus 4 free that will hold their power for 10 years the power seal technology is assurance that you ll have power you can rely on whether you are 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 will always have power when