Energizer AA LITHIUM - High-Energy Lithium Batteries (4 Pack) Energizer Lithium AA Batteries offers Superior Performance in Digital Cameras and any other device that requires AA size batteries. They perform even in the most extreme temperatures -40° F to 140° F. Weighs much less than other batteries and can be used in place of any standard AA battery. This makes them ideal for the most advanced, high-drain devices—digital cameras, personal digital assistants (PDAs), hand-held games, portable CD players and palmtop computers. The long shelf life of Lithium batteries make them the ideal choice in thermostats, or outdoor devices operated in cold climates where other AA batteries cease to function at cold temperatures. Energizer Lithium Batteries weigh much less than other batteries and have a 10 year shelf life. These are NON-RECHARGEABLE BATTERIES. Eveready Guarantee : Eveready will repair or replace, at their option, any device damaged by these AA lithium batteries, if the device is sent to Eveready Battery Company.