Energizer's #1 longest-lasting MAX™. Protects against damaging leaks for up to two years after fully used when left in low-drain devices. The Energizer MAX® family is all about long-lasting power. The AA and AAA sizes are now our #1 longest-lasting MAX™ batteries. They also hold their power for up to 12 years while in storage, so you have power for the devices you love 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®. Best for everyday electronics and are available in: AA , AAA , 9V