Overview Reliable power, plus leakage protection* in your favorite devices. Long-lasting power and innovation is what the Energizer MAX family is all about. Meet our longest-lasting Energizer MAX battery yet. With our latest improvements, Energizer MAX AAA batteries now last up to 30% longer than previous Energizer MAX AAA batteries 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, AAA 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 the long-lasting power and protection you expect from Energizer.