These cells represent the latest advance in primary battery technology. They're a lightweight, compact, high performance power source that's Trusted Everywhere. Featuring a high energy density, high rate pulse capability, long shelf life and the ability to operate at temperature extremes, Ultra High Power Lithium Batteries provide an ideal way to meet the demanding requirements of contemporary portable electronic equipment. Five year shelf-life. Battery Type: Lithium; Battery Size: 123; For Use With: N/A; Battery Capacity: N/A.