Quick Answer: How Long Does a Bios Battery Last?
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The CMOS battery is a small battery fitted on the motherboard of your computer. It has a life of around five years.

When should I replace my BIOS battery?

It is recommended that you change the CMOS battery every 5 years. Open the BIOS screen and note all the information on a piece of paper. It’s important that you don’t make any modifications.

What happens when the BIOS battery fails?

If the CMOS battery dies, settings will be lost when the computer is powered down. You will probably be asked to reset the time and date when you start the computer up. Sometimes the loss of settings will prevent the computer loading the operating system.

Elena Rostova

Elena Rostova

Lead Health, Wellness & Medical Journalist

Elena Rostova holds a Master's degree in Public Health Journalism. She covers groundbreaking medical research, holistic wellness trends, mental health awareness, and nutritional science.

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