CMOS Batteries

Sort by:
RTC CMOS Battery for Acer Swift 3 SF314-54

RTC CMOS Battery for Acer Swift 3 SF314-54

$10.99
Limited Time International Shipping Promo ̶$̶1̶3̶.̶9̶9̶ - $5 Flat FeeHigh-quality and reliable CMOS battery for your Acer Swift 3 SF314-54Acer Swift 3 SF314-54 CMOS batteries are the highest-quality lithium-ion batteries...
Replacement RTC CMOS Battery for HP (Part Number) 857798-001

Replacement RTC CMOS Battery for HP (Part Number) 857798-001

$10.99
Limited Time International Shipping Promo ̶$̶1̶3̶.̶9̶9̶ - $5 Flat FeeHigh-quality and reliable CMOS battery for your HP (Part Number) 857798-001HP (Part Number) 857798-001 CMOS batteries are the highest-quality lithium-ion batteries...
Replacement RTC CMOS Battery for Lenovo (Part Number) 23.21207.002

Replacement RTC CMOS Battery for Lenovo (Part Number) 23.21207.002

$10.99
Limited Time International Shipping Promo ̶$̶1̶3̶.̶9̶9̶ - $5 Flat FeeHigh-quality and reliable CMOS battery for your Lenovo (Part Number) 23.21207.002Lenovo (Part Number) 23.21207.002 CMOS batteries are the highest-quality lithium-ion batteries...
RTC CMOS Battery for Toshiba Satellite Radius 14 L40W-C

RTC CMOS Battery for Toshiba Satellite Radius 14 L40W-C

$10.99
Limited Time International Shipping Promo ̶$̶1̶3̶.̶9̶9̶ - $5 Flat FeeHigh-quality and reliable CMOS battery for your Toshiba Satelllite Radius 14 L40W-C Toshiba Satellite Radius 14 L40W-C CMOS batteries are the...
RTC CMOS Battery for Sony Vaio VPCEL Series PCG-71C11M

RTC CMOS Battery for Sony VAIO VPCEL Series PCG-71C11M

$10.99
Limited Time International Shipping Promo ̶$̶1̶3̶.̶9̶9̶ - $5 Flat FeeHigh-quality and reliable CMOS battery for your Sony VAIO VPCEL Series PCG-71C11M Sony VAIO VPCEL Series PCG-71C11M CMOS batteries are the...
RTC CMOS Battery for Samsung Series 9 NP900X4D

RTC CMOS Battery for Samsung Series 9 NP900X4D

$10.99
Limited Time International Shipping Promo ̶$̶1̶3̶.̶9̶9̶ - $5 Flat FeeHigh-quality and reliable CMOS battery for your Samsung Series 9 NP900X4DSamsung Series 9 NP900X4D CMOS batteries are the highest-quality lithium-ion batteries...
RTC CMOS Battery for Razer Blade Stealth 13 RZ09-03102E22

RTC CMOS Battery for Razer Blade Stealth 13 RZ09-03102E22

$10.99
Limited Time International Shipping Promo ̶$̶1̶3̶.̶9̶9̶ - $5 Flat FeeHigh-quality and reliable CMOS battery for your Razer Blade Stealth 13 RZ09-03102E22Razer Blade Stealth 13 RZ09-03102E22 CMOS batteries are the highest-quality...
RTC CMOS Battery for Razer Blade 15 RZ09-0409CED3

RTC CMOS Battery for Razer Blade 15 RZ09-0409CED3

$6.99
Limited Time International Shipping Promo ̶$̶1̶3̶.̶9̶9̶ - $5 Flat FeeHigh-quality and reliable CMOS battery for your Razer Blade 15 RZ09-0409CED3Razer Blade 15 RZ09-0409CED3 CMOS batteries are the highest-quality lithium-ion batteries...
RTC CMOS Battery for MSI Modern 14 B11MO

RTC CMOS Battery for MSI Modern 14 B11MO

$10.99
Limited Time International Shipping Promo ̶$̶1̶3̶.̶9̶9̶ - $5 Flat FeeHigh-quality and reliable CMOS battery for your MSI Modern 14 B11MOMSI Modern 14 B11MO CMOS batteries are the highest-quality lithium-ion batteries...
RTC CMOS Battery for MSI GF63 Thin 10SC MS-16R5

RTC CMOS Battery for MSI GF63 Thin 10SC MS-16R5

$10.99
Limited Time International Shipping Promo ̶$̶1̶3̶.̶9̶9̶ - $5 Flat FeeHigh-quality and reliable CMOS battery for your MSI GF63 Thin 10SC MS-16R5MSI GF63 Thin 10SC MS-16R5 CMOS batteries are the highest-quality...
RTC CMOS Battery for Lenovo Miix 510-12ISK 2-in-1

RTC CMOS Battery for Lenovo Miix 510-12ISK 2-in-1

$10.99
Limited Time International Shipping Promo ̶$̶1̶3̶.̶9̶9̶ - $5 Flat FeeHigh-quality and reliable CMOS battery for your Lenovo Miix 510-12ISK 2-in-1Lenovo Miix 510-12ISK 2-in-1 CMOS batteries are the highest-quality lithium-ion batteries...
RTC CMOS Battery for Lenovo IdeaPad 300-17ISK

RTC CMOS Battery for Lenovo IdeaPad 300-17ISK

$10.99
Limited Time International Shipping Promo ̶$̶1̶3̶.̶9̶9̶ - $5 Flat FeeHigh-quality and reliable CMOS battery for your Lenovo IdeaPad 300-17ISKLenovo IdeaPad 300-17ISK CMOS batteries are the highest-quality lithium-ion batteries on the...

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.