Renata CR2430 Battery 3V LithiumRENATA Cr2430 3V Lithium Batteries: Since 1982, when Renata began the industrial production and supply of lithium batteries, the range of applications has steadily expanded. In addition to a wide range of power sources for memory backup, Renata lithium batteries are used in various applications across the computer and automotive industries, telecommunications, the medical industry, and in a growing variety of portable devices (measuring equipment, payment systems, toys, etc.). Renata lithium batteries meet the highest quality standards and offer excellent reliability.