Energizer Ultimate Lithium AA batteries offer unmatched longevity and reliability for your devices. Engineered with advanced lithium/iron disulfide chemistry these batteries deliver consistent 1.5V power ensuring your gadgets perform at their best. Notably lighter than traditional alkaline options they are ideal for high-drain devices and are perfect for use in extreme temperatures. With a remarkable shelf life of up to 20 years these leak-resistant batteries provide peace of mind for all your long-term storage needs. Available in a convenient 8-pack Energizer Ultimate Lithium AA batteries are the smart choice for powering your essential electronics.