48-pack of Energizer MAX alkaline AA batteries Longest Lasting MAX AA battery powers everyday devices Leak resistant-construction protects your devices from leakage of fully used batteries for up to 2 years. Non-stop energy for your non-stop family’s must-have devices—think toys, flashlights, wireless mice, remotes, and more Holds power up to 10 years in storage—so you’re never left powerless From the makers of the longest lasting AA battery (Energizer Ultimate Lithium) and the Energizer Bunny Energizer created the world’s first zero mercury alkaline battery (commercially available since 1991), and it hasn’t stopped innovating since