The Energizer MAX family is all about long-lasting power. The AA and AAA sizes are now their #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.FeaturesUp to 50% longer lasting than EVEREADY GOLD in demanding devices.Their # 1 longest-lasting MAX thanks to new improvementsDesigned to protect against damaging leaks for up to two years after fully usedHold power for up to 10 years in storageFrom the makers of the world's 1st Zero Mercury AA Alkaline Battery: Energizer is an industry leader in powering people's lives responsibly