Long-lasting power and innovation is what the Energizer MAX family is all about. Count on Energizer MAX batteries to deliver long-lasting power to your everyday devices. They also hold their power for up to 10 years while in storage, so you have power when you need it most. Plus, Energizer MAX AAA batteries are designed to protect your devices from leakage of fully used batteries for up to 2 years. So, when it comes to toys, torches, wireless mice, and other valuable devices, you can feel confident knowing you have the long-lasting energy and protection you expect from Energizer. Of fully used batteries in devices up to 2 years.