MAX AA alkaline batteries deliver long-lasting power in digital cameras. They also hold their power for up to 10 years while in storage so you have power when you need it most. Plus, the AA sizes are designed to protect devices from leakage of fully used batteries up to 2 years. So when it comes to toys, digital cameras, and other valuable devices, you can feel confident knowing you have long-lasting power and protection. Designed to protect against damaging leaks for up to 2 years after fully used. Zero mercury. Holds power up to 10 years in storage.