Nothing outlasts Energizer® Ultimate Lithium™ AA batteries. The Energizer® Ultimate Lithium™ batteries are the #1 longest-lasting AA batteries complete with leak resistance and performance in extreme temperatures (-40 to 140 deg F or -40 to 60 deg C). To ensure your favorite devices operate at their peak performance, depend on Energizer® Ultimate Lithium™ batteries for work, play and home. Non-Rechargeable Lithium Battery