Energizer AA Ultimate Lithium Batteries - For the countless electronic gadgets that you can't live without, get the latest lithium battery technology that is proven to be the world's longest lasting AA and AAA batteries in high-tech devices. Last up to 8x longer in digital cameras (versus energizer max results vary by camera) Weigh 1/3 less than standard alkaline batteries Perform in extreme temperatures from -40deg f to 140deg f 15 year storage life Leak resistant construction