Energizer ultimate alkaline aaa batteries in special packs energizer 637512 p the energizer 637512 is a pack of 6x aaa alkaline batteries 4 plus 2 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