Energizer 636897 Ultimate Lithium AA Batteries Energizer Lithium AA Pack of 4 - (3+1 FREE) These batteries are not rechargeable The World s Longest Lasting AA Battery in High-Tech Devices Introducing Energizer Ultimate Lithium, the most technologically advanced battery, for consumers who want a battery that offers the best performance. Energizer Ultimate Lithium is ideal for high drain devices such as Digital Cameras, MP3 Players and Portable LCD TVs, where performance matters. Energizer Ultimate Lithium can help your device work for longer, operate and perform better and keep running even in cold temperatures. It is also 1/3 lighter than an alkaline battery great for when you are using portable devices. Replacement for: AA, 15A, LR6, 15AC, 4006, 815, AM3, E91, KAA, MIGNON, MN1500, ND62S, STILO