Nothing outlasts the long-lasting power of Energizer Ultimate Lithium Batteries. Each battery???s safety-conscious, leak-proof design gives you confidence that your most-loved devices are protected against leaks and corrosion. These batteries can perform in extreme temperatures (from -40??F to 140?? F) AND last in storage for up to 10 years. making Ultimate Lithium batteries the clear choice to dependably power the essential devices in your life.