The Energizer E2 AA Ultimate Lithium Battery was designed for those countless electronic gadgets that you canﾒt live without. The latest lithium battery technology thatﾒs proven to be the worldﾒs longest lasting. It last up to 8x longer in digital cameras versus MAX. It weighs 1/3 less than standard alkaline batteries. Capable of performing in extreme temperatures from -40 degrees F to 140 degrees F. Leak resistant construction, with a 15 year storage life.