The Energizer MAX family is all about long-lasting power. They also hold their power for up to 10 years while in storage, so you have power when you need it most. So when it comes to toys, digital cameras and other valuable devices, you can feel confident knowing you have the long-lasting power and protection you'd expect from Energizer. PowerSeal Technology is the Energizer innovation that delivers energy you can rely on.Up to 10-year shelf life means you'll always have power when you need it. *AA/AAA/C/D 10-Year Shelf Life*