CMOS Batteries

Sort by:
RTC CMOS Battery for HP ZBook 15u G4

RTC CMOS Battery for HP ZBook 15u G4

$17.06
Limited Time International Shipping Promo ̶$̶1̶3̶.̶9̶9̶ - $5 Flat FeeHigh-quality and reliable CMOS battery for your HP ZBook 15u G4HP ZBook 15u G4 CMOS batteries are the highest-quality lithium-ion batteries...
RTC CMOS Battery for HP ZBook 15u G3

RTC CMOS Battery for HP ZBook 15u G3

$17.06
Limited Time International Shipping Promo ̶$̶1̶3̶.̶9̶9̶ - $5 Flat FeeHigh-quality and reliable CMOS battery for your HP ZBook 15u G3HP ZBook 15u G3 CMOS batteries are the highest-quality lithium-ion batteries...
RTC CMOS Battery for HP ZBook 15u G2

RTC CMOS Battery for HP ZBook 15u G2

$17.06
Limited Time International Shipping Promo ̶$̶1̶3̶.̶9̶9̶ - $5 Flat FeeHigh-quality and reliable CMOS battery for your HP ZBook 15u G2HP ZBook 15u G2 CMOS batteries are the highest-quality lithium-ion batteries...
RTC CMOS Battery for HP Pavilion x360 m3-u001dx

RTC CMOS Battery for HP Pavilion x360 m3-u001dx

$17.06
Limited Time International Shipping Promo ̶$̶1̶3̶.̶9̶9̶ - $5 Flat FeeHigh-quality and reliable CMOS battery for your HP Pavilion x360 m3-u001dxHP Pavilion x360 m3-u001dx CMOS batteries are the highest-quality lithium-ion batteries...
RTC CMOS Battery for HP Pavilion m7-1015dx

RTC CMOS Battery for HP Pavilion m7-1015dx

$17.06
Limited Time International Shipping Promo ̶$̶1̶3̶.̶9̶9̶ - $5 Flat FeeHigh-quality and reliable CMOS battery for your HP Pavilion m7-1015dx HP Pavilion m7-1015dx CMOS batteries are the highest-quality lithium-ion batteries on...
RTC CMOS Battery for HP EliteBook 848 G4

RTC CMOS Battery for HP EliteBook 848 G4

$17.06
Limited Time International Shipping Promo ̶$̶1̶3̶.̶9̶9̶ - $5 Flat FeeHigh-quality and reliable CMOS battery for your HP EliteBook 848 G4HP EliteBook 848 G4 CMOS batteries are the highest-quality lithium-ion batteries...
RTC CMOS Battery for HP EliteBook 745 G2

RTC CMOS Battery for HP EliteBook 745 G2

$17.06
Limited Time International Shipping Promo ̶$̶1̶3̶.̶9̶9̶ - $5 Flat FeeHigh-quality and reliable CMOS battery for your HP EliteBook 745 G2HP EliteBook 745 G2 CMOS batteries are the highest-quality lithium-ion batteries...
RTC CMOS Battery for HP Compaq NX5000

RTC CMOS Battery for HP Compaq NX5000

$17.06
Limited Time International Shipping Promo ̶$̶1̶3̶.̶9̶9̶ - $5 Flat FeeHigh-quality and reliable CMOS battery for your HP Compaq NX5000HP Compaq NX5000 CMOS batteries are the highest-quality lithium-ion batteries on the...
RTC CMOS Battery for Lenovo ThinkPad Edge E14

RTC CMOS Battery for Lenovo ThinkPad Edge E14

$17.06
Limited Time International Shipping Promo ̶$̶1̶3̶.̶9̶9̶ - $5 Flat FeeHigh-quality and reliable CMOS battery for your Lenovo ThinkPad Edge E14Lenovo ThinkPad Edge E14 CMOS batteries are the highest-quality lithium-ion batteries...
RTC CMOS Battery for Lenovo Legion Y7000P-1060

RTC CMOS Battery for Lenovo Legion Y7000P-1060

$17.06
Limited Time International Shipping Promo ̶$̶1̶3̶.̶9̶9̶ - $5 Flat FeeHigh-quality and reliable CMOS battery for your Lenovo Legion Y7000P-1060Lenovo Legion Y7000P-1060 CMOS batteries are the highest-quality lithium-ion batteries on the...
RTC CMOS Battery for Lenovo IdeaPad Y520-15IKBN

RTC CMOS Battery for Lenovo IdeaPad Y520-15IKBN

$17.06
Limited Time International Shipping Promo ̶$̶1̶3̶.̶9̶9̶ - $5 Flat FeeHigh-quality and reliable CMOS battery for your Lenovo IdeaPad Y520-15IKBNLenovo IdeaPad Y520-15IKBN CMOS batteries are the highest-quality lithium-ion batteries on the...
RTC CMOS Battery for Lenovo Yoga 520-14IKB

RTC CMOS Battery for Lenovo Yoga 520-14IKB

$17.06
Limited Time International Shipping Promo ̶$̶1̶3̶.̶9̶9̶ - $5 Flat FeeHigh-quality and reliable CMOS battery for your Lenovo Yoga 520-14IKBLenovo Yoga 520-14IKB 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.