A computer motherboard battery, also known as a CMOS battery, is a small, round battery located on the motherboard of a computer. It is responsible for providing power to the CMOS (Complementary Metal-Oxide-Semiconductor) chip, which stores important system information such as the date, time, and BIOS settings.

The advantage of a computer motherboard battery lies in its ability to maintain vital system information even when the computer is powered off or unplugged. It ensures that the BIOS settings are retained, preventing the need to reconfigure them each time the computer is started. Additionally, it allows the system to keep accurate time and date records.

The primary application of a computer motherboard battery is in desktop and laptop computers. It is essential for maintaining system functionality and preserving vital information. Without a functioning battery, the computer may encounter issues such as incorrect date and time, BIOS errors, or even failure to boot.

Computer motherboard batteries typically have a long lifespan, often lasting several years before needing replacement. They are designed to provide a stable and reliable power supply to the CMOS chip. These batteries have a low self-discharge rate, meaning they can retain their charge even when the computer is powered off for an extended period.

To extend the lifespan of a computer motherboard battery, certain practices can be followed. It is recommended to use high-quality batteries from reputable manufacturers to ensure optimal performance and longevity. Keeping the computer connected to a stable power source, such as a surge protector, can help prevent sudden power fluctuations that may affect the battery. Regularly checking and updating the BIOS firmware can also contribute to maximizing the battery's lifespan.

In conclusion, the computer motherboard battery plays a crucial role in preserving system information and ensuring accurate timekeeping. By adhering to proper usage and maintenance guidelines, users can extend the lifespan of the computer motherboard battery and maintain the stability and functionality of their computer systems.