The Energizer MAX® family is all about long-lasting power. They hold their power for up to 10 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 would expect from Energizer®. Designed to protect against damaging leaks for up to two years after fully used Hold power for up to 10 years in storage New, Improved and longer lasting Battery Type: AAVoltage: 1.5V: