Welcome to AtBatt.com! |

    • my cart
    • 0 Items  Total $0.00
  • 877-528-2288
  • Customer Service

CMOS Memory Battery

Is your PC displaying an error about the clock or CMOS? This may be an indication that it is time to replace the CMOS battery on the motherboard. Finding and buying a CMOS memory battery with AtBatt is easy. Browse our selection available CMOS memory batteries. Feel free to Contact Us if you need assistance or if you have any questions locating the replacement you require.
CMOS Memory Battery
per page

1 Item(s)

  product specs price
Varta CP300H NiMH Button Cell Battery Varta CP300H NiMH Button Cell Battery
  • SKU:CP300H
  • BRAND: Varta
SRP: $3.99
    1.2 V
    In Stock
  • $2.24
    per page

    1 Item(s)

    How to replace the CMOS battery

    The following is a general guideline. If you are unsure how to change the CMOS battery please consult a professional. Refer to your user manual or consult the manufacturer for any questions you have.

    1. Boot up your PC and enter it into safe mode.
    2. Write down all the setting from various BIOS menus. And then Power off your PC.
    3. Open the case locating the battery on the motherboard. Consult your user manual for specification about the battery and its locations.
    4. After you have obtained the proper replacement battery, remove your old battery and replace it with the new one.
    5. It is a good idea to document the date of replacement for reference.
    6. Replace the case and power on.
    7. Enter the setup mode of your PC or Notebook.
    8. Reenter the setting you have written down from various setup menus.

    *Note: When working on your PC or Notebook, remember to properly ground yourself to rid yourself of any static.


    • BizRate Seal
    • Trustwave Seal
    • GeoTrust Seal