Nothing outlasts the long-lasting power of Energizer Ultimate Lithium AAA Batteries in high-tech devices. Each battery’s safety-conscious, leak-proof design (based on standard use) gives you confidence that your most-loved, most-critical devices are protected against leaks and corrosion. These batteries can perform in extreme temperatures (from -40 degrees Celsius to 60 degrees Celsius ) and last in storage for up to 20 year making Ultimate Lithium batteries the clear choice to dependably power the essential devices in your life.