The Energizer LN91 Industrial AA Lithium Batteries are the world's longest-lasting professional AA batteries in high-tech devices. These industrial-grade batteries are specifically designed for high-drain electronics and mission-critical applications in commercial, medical, and security environments. They are 100% leak-proof in normal use, 33% lighter than standard alkaline batteries, and operate reliably in extreme temperatures ranging from -40°F to 140°F. With a long 20-year shelf life, they are ideal for stocking essential supplies.

• Longevity: World's longest-lasting AA in high-tech devices.
• Shelf Life: Up to 20 years in storage.
• Durability: Operates in extreme temperatures (-40°F to 140°F) and is 100% leak-proof.
• Weight: 33% lighter than alkaline AA batteries.
• Packaging: 24 batteries per box (often packed in inner 4-packs for easy distribution).