CMOS Batteries

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RTC CMOS Battery for Apple MacBook Pro A1261

RTC CMOS Battery for Apple MacBook Pro A1261

$10.99
Limited Time International Shipping Promo ̶$̶1̶3̶.̶9̶9̶ - $5 Flat FeeHigh-quality and reliable CMOS battery for your Apple MacBook Pro A1261Apple MacBook Pro A1261 CMOS batteries are the highest-quality lithium-ion batteries...
RTC CMOS Battery for MSI MS-17C1

RTC CMOS Battery for MSI MS-17C1

$10.99
Limited Time International Shipping Promo ̶$̶1̶3̶.̶9̶9̶ - $5 Flat FeeHigh-quality and reliable CMOS battery for your MSI MS-17C1MSI MS-17C1 CMOS batteries are the highest-quality lithium-ion batteries on the market. High...
RTC CMOS Battery for MSI Bravo 15 B5DD

RTC CMOS Battery for MSI Bravo 15 B5DD

$10.99
Limited Time International Shipping Promo ̶$̶1̶3̶.̶9̶9̶ - $5 Flat FeeHigh-quality and reliable CMOS battery for your MSI Bravo 15 B5DDMSI Bravo 15 B5DD CMOS batteries are the highest-quality lithium-ion batteries...
RTC CMOS Battery for MSI GS63 MS-16K5

RTC CMOS Battery for MSI GS63 MS-16K5

$10.99
Limited Time International Shipping Promo ̶$̶1̶3̶.̶9̶9̶ - $5 Flat FeeHigh-quality and reliable CMOS battery for your MSI GS63 MS-16K5MSI GS63 MS-16K5 CMOS batteries are the highest-quality lithium-ion batteries on the...
RTC CMOS Battery for Lenovo IdeaPad 5 15IAL7

RTC CMOS Battery for Lenovo IdeaPad 5 15IAL7

$10.99
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RTC CMOS Battery for Lenovo ThinkPad X230S

RTC CMOS Battery for Lenovo ThinkPad X230S

$10.99
Limited Time International Shipping Promo ̶$̶1̶3̶.̶9̶9̶ - $5 Flat FeeHigh-quality and reliable CMOS battery for your Lenovo ThinkPad X230SLenovo ThinkPad X230S CMOS batteries are the highest-quality lithium-ion batteries on the...
RTC CMOS Battery for Lenovo ThinkBook 15-IML

RTC CMOS Battery for Lenovo ThinkBook 15-IML

$10.99
Limited Time International Shipping Promo ̶$̶1̶3̶.̶9̶9̶ - $5 Flat FeeHigh-quality and reliable CMOS battery for your Lenovo ThinkBook 15-IMLLenovo ThinkBook 15-IML CMOS batteries are the highest-quality lithium-ion batteries on the...
RTC CMOS Battery for Lenovo ThinkBook 15-IIL

RTC CMOS Battery for Lenovo ThinkBook 15-IIL

$10.99
Limited Time International Shipping Promo ̶$̶1̶3̶.̶9̶9̶ - $5 Flat FeeHigh-quality and reliable CMOS battery for your Lenovo ThinkBook 15-IILLenovo ThinkBook 15-IIL CMOS batteries are the highest-quality lithium-ion batteries on the...
RTC CMOS Battery for Lenovo ThinkBook 15 G2 ARE

RTC CMOS Battery for Lenovo ThinkBook 15 G2 ARE

$10.99
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RTC CMOS Battery for Lenovo ThinkBook 14-IML

RTC CMOS Battery for Lenovo ThinkBook 14-IML

$10.99
Limited Time International Shipping Promo ̶$̶1̶3̶.̶9̶9̶ - $5 Flat FeeHigh-quality and reliable CMOS battery for your Lenovo ThinkBook 14-IMLLenovo ThinkBook 14-IML CMOS batteries are the highest-quality lithium-ion batteries on the...
RTC CMOS Battery for Lenovo ThinkBook 14-IIL

RTC CMOS Battery for Lenovo ThinkBook 14-IIL

$10.99
Limited Time International Shipping Promo ̶$̶1̶3̶.̶9̶9̶ - $5 Flat FeeHigh-quality and reliable CMOS battery for your Lenovo ThinkBook 14-IILLenovo ThinkBook 14-IIL CMOS batteries are the highest-quality lithium-ion batteries on the...
RTC CMOS Battery for ASUS Q535U

RTC CMOS Battery for ASUS Q535U

$10.99
Limited Time International Shipping Promo ̶$̶1̶3̶.̶9̶9̶ - $5 Flat FeeHigh-quality and reliable CMOS battery for your ASUS Q535UASUS Q535U CMOS batteries are the highest-quality lithium-ion batteries on the market. High...

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.