Give your high-performance devices all the power they need with Energizer® Ultimate Lithium™ batteries. The world’s longest-lasting AA battery packed with innovation to keep you and your critical devices going.#1 longest-lasting AA battery Performs in extreme temperatures (-40°c to 60°c) – great for use in all seasons Holds power in storage for up to 20 years (AA/AAA)33% lighter than alkaline batteries (AA/AAA)Leak-proof Guaranteed (based on standard use)By using longer-lasting & reliable batteries, consumers use fewer batteries, create less waste, and have less impact on the planet. We're leading the journey to a future where Energizer® has a positive impact on the world. Join our Journey!