CMOS Batteries

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RTC CMOS Battery for DFI SD101/SD103-Q170 Industrial Board

RTC CMOS Battery for DFI SD101/SD103-Q170 Industrial Board

$10.99
Limited Time International Shipping Promo ̶$̶1̶3̶.̶9̶9̶ - $5 Flat Fee High-quality and reliable CMOS battery for your DFI SD101/SD103-Q170 Industrial BoardDFI SD101/SD103-Q170 Industrial Board CMOS batteries are the highest-quality lithium-ion...
RTC CMOS Battery for DFI CD101-N2550 Industrial Board

RTC CMOS Battery for DFI CD101-N2550 Industrial Board

$10.99
Limited Time International Shipping Promo ̶$̶1̶3̶.̶9̶9̶ - $5 Flat Fee High-quality and reliable CMOS battery for your DFI CD101-N2550 Industrial BoardDFI CD101-N2550 Industrial Board CMOS batteries are the highest-quality lithium-ion...
RTC CMOS Battery for Toshiba Libretto L5

RTC CMOS Battery for Toshiba Libretto L5

$11.99
Limited Time International Shipping Promo ̶$̶1̶3̶.̶9̶9̶ - $5 Flat Fee High-quality and reliable CMOS battery for your Toshiba Libretto L5Toshiba Libretto L5 CMOS batteries are the highest-quality lithium-ion batteries on...
RTC CMOS Battery for Toshiba Tecra 700 Series

RTC CMOS Battery for Toshiba Tecra 700 Series

$11.99
Limited Time International Shipping Promo ̶$̶1̶3̶.̶9̶9̶ - $5 Flat Fee High-quality and reliable CMOS battery for your Toshiba Tecra 700 SeriesToshiba Tecra 700 Series CMOS batteries are the highest-quality lithium-ion...
RTC CMOS Battery for MSI U135DX

RTC CMOS Battery for MSI U135DX

$10.99
Limited Time International Shipping Promo ̶$̶1̶3̶.̶9̶9̶ - $5 Flat Fee High-quality and reliable CMOS battery for your MSI U135DXMSI U135DX CMOS batteries are the highest-quality lithium-ion batteries on the market....
RTC CMOS Battery for Lenovo V Series V15 G2 ALC

RTC CMOS Battery for Lenovo V Series V15 G2 ALC

$10.99
Limited Time International Shipping Promo ̶$̶1̶3̶.̶9̶9̶ - $5 Flat Fee High-quality and reliable CMOS battery for your Lenovo V Series V15 G2 ALCLenovo V Series V15 G2 ALC CMOS batteries...
RTC CMOS Battery for Lenovo C200 AIO

RTC CMOS Battery for Lenovo C200 AIO

$10.99
Limited Time International Shipping Promo ̶$̶1̶3̶.̶9̶9̶ - $5 Flat Fee High-quality and reliable CMOS battery for your Lenovo C200 AIOLenovo C200 AIO CMOS batteries are the highest-quality lithium-ion batteries on...
RTC CMOS Battery for Lenovo Legion Y740

RTC CMOS Battery for Lenovo Legion Y740

$10.99
Limited Time International Shipping Promo ̶$̶1̶3̶.̶9̶9̶ - $5 Flat Fee High-quality and reliable CMOS battery for your Lenovo Legion Y740Lenovo Legion Y740 CMOS batteries are the highest-quality lithium-ion batteries on...
RTC CMOS Battery for Lenovo Legion Y530

RTC CMOS Battery for Lenovo Legion Y530

$10.99
Limited Time International Shipping Promo ̶$̶1̶3̶.̶9̶9̶ - $5 Flat Fee High-quality and reliable CMOS battery for your Lenovo Legion Y530Lenovo Legion Y530 CMOS batteries are the highest-quality lithium-ion batteries on...
RTC CMOS Battery for Lenovo Legion Y520

RTC CMOS Battery for Lenovo Legion Y520

$10.99
Limited Time International Shipping Promo ̶$̶1̶3̶.̶9̶9̶ - $5 Flat Fee High-quality and reliable CMOS battery for your Lenovo Legion Y520Lenovo Legion Y520 CMOS batteries are the highest-quality lithium-ion batteries on...
RTC CMOS Battery for Lenovo IdeaPad V460

RTC CMOS Battery for Lenovo IdeaPad V460

$10.99
Limited Time International Shipping Promo ̶$̶1̶3̶.̶9̶9̶ - $5 Flat Fee High-quality and reliable CMOS battery for your Lenovo IdeaPad V460Lenovo IdeaPad V460 CMOS batteries are the highest-quality lithium-ion batteries on...
RTC CMOS Battery for Lenovo IdeaPad Y560

RTC CMOS Battery for Lenovo IdeaPad Y560

$10.99
Limited Time International Shipping Promo ̶$̶1̶3̶.̶9̶9̶ - $5 Flat Fee High-quality and reliable CMOS battery for your Lenovo IdeaPad Y560Lenovo IdeaPad Y560 CMOS batteries are the highest-quality lithium-ion batteries on...

Only the Best CMOS Battery

If the computer starts displaying the wrong date and time at every boot, this is one of the important signs that it is time to change the battery on the motherboard. If that is not carried out in time, then the BIOS simply will not boot, and the PC will not be able to start the OS.


What is a CMOS battery?

For stable operation of the built-in timer and the CMOS chip, which stores all the BIOS configuration, a battery is needed. It supplies power around the clock, even if the system unit is disconnected from the mains. It is located directly on the motherboard, in the most conspicuous place in the round slot.

RTC CMOS battery discharge symptoms

The average working time of a CMOS battery for laptop is five years. But the battery can run out earlier. You can notice this process by the following signs: the time lags behind the set by a couple of minutes - this is the first sign of a malfunction; failure to turn on the computer, the system starts only after turning on F1 - the second and most serious sign of a discharge. If the CMOS battery for motherboard is not replaced in time, then not only the set date and time are reset, but also the BIOS settings, which is especially noticeable for those users who set up the system for themselves. These settings include: download parameters; acceleration of system startup; setting up a video card and coolers; configuring interfaces. The output of a system message is the last sign that the tablet is out of order. Such messages can be: wrong time and date; error in setting or reading CMOS; error of control memory CMOS

How to change computer BIOS battery?

CMOS batteries can be changed by yourself, it is not a complicated process. The main thing is to get the right battery, the one that will fit your laptop or computer. On the site https://rometechcases.com/ suitable computer models are registered for each battery, it will be difficult to make a mistake. If you find it difficult to make the right decision, our support team will be happy to provide you with the assistance you need.