Nothing outlasts the long-lasting power of Energizer Ultimate Lithium Batteries: the clear choice to dependably power the essential devices in your life. Excellent design Each battery’s safety-conscious, leak-proof design gives you confidence that your most-loved devices are protected against leaks and corrosion. Stands up to the elements These batteries can perform in extreme temperatures (from -40F to 140° F) Trustworthy backup energy Last in storage for up to 20 years. Versatile use Depend on Energizer Ultimate Lithium Batteries for your everyday devices for work, school, play, and home. 33% lighter than alkaline batteries Energizer Ultimate Lithium batteries are easy to transport and ideal for travel.