6-Volt e2 Photo Lithium Battery is designed for use with cameras, photoflash, calculators, pocket pagers, watches, memory backup and other high-drain applications. 6-Volt e2 Photo Lithium Battery performs even in extreme temperatures. Storage life lasts up to 10 years. Holds power for 10 years when not in use Dependable performance you can rely on, shot after shot Use in cameras, photoflash and other devices