Long-lasting power and innovation is what the Energizer MAX family is all about – up to 5-year shelf life for 9V batteries. Plus, Power Seal Technology is the Energizer innovation that delivers energy you can rely on. Made with POWERSEAL Technology to lock in power, Power for your nonstop family's must-have devices like toys, flashlights, clocks, remotes, and more, From the makers of the #1 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.