High performance energy for your high tech devices. Energizer Max Plus is the longest lasting alkaine AA battery that provide powerful performance for your devices. The batteries hold energy for up to 12 years, so they are always ready to go. Designed to protect your devices against damaging leaks. Dependable energy for your everyday devices. Size: AAA High performance alkaline batteries Ideal for wireless handheld video game controller or instrument, toy with motorised moving party, remote control for TV/audio/ entertainment and wireless computer mouse 12 year shelf life In device leakage protection From leakage of fully used batteries up to 2 years Dependable energy for your everyday devices Pack of 4