Cmos battery: The most commonly used CMOS coin-cell

The most commonly used CMOS coin-cell battery that is used to get the CMOS memory powered up is Panasonic CR 2032 3V. Usually, these CMOS batteries have an average life expectancy of around five years, although it highly depends on its usage and in what environment the computer resides. We explain what a CMOS battery is for, and how to replace is when it goes flat. Explore the functions, types, and lifespan of CMOS batteries in computers. Learn how these small batteries power BIOS firmware and maintain system settings when your computer is turned off. Amazon.in: cmos batteryLota CR2032 3V Lithium Coin Cell Battery (Pack of 5), CMOS Battery for Computer Motherboard, Calculator, Camera, Car Remote, Toys & Medical Devices – Long-Lasting Power