CMOS Batteries

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RTC CMOS Battery for Lenovo ThinkPad x40

RTC CMOS Battery for Lenovo ThinkPad X40

$15.56
Limited Time International Shipping Promo ̶$̶1̶3̶.̶9̶9̶ - $5 Flat Fee High-quality and reliable CMOS battery for your Lenovo ThinkPad X40 Lenovo ThinkPad X40 CMOS batteries are the highest-quality lithium-ion batteries...
RTC CMOS Battery for Lenovo IdeaPad 3 15IAU7 82RK

RTC CMOS Battery for Lenovo IdeaPad 3 15IAU7 82RK

$15.56
Limited Time International Shipping Promo ̶$̶1̶3̶.̶9̶9̶ - $5 Flat FeeHigh-quality and reliable CMOS battery for your Lenovo IdeaPad 3 15IAU7 82RKLenovo IdeaPad 3 15IAU7 82RK CMOS batteries are the highest-quality...
RTC CMOS Battery for HP ENVY 15-as133cl

RTC CMOS Battery for HP ENVY 15-as133cl

$15.56
Limited Time International Shipping Promo ̶$̶1̶3̶.̶9̶9̶ - $5 Flat FeeHigh-quality and reliable CMOS battery for your HP ENVY 15-as133clHP ENVY 15-as133cl CMOS batteries are the highest-quality lithium-ion batteries on the...
RTC CMOS Battery for HP ProBook 430 G8

RTC CMOS Battery for HP ProBook 430 G8

$15.56
Limited Time International Shipping Promo ̶$̶1̶3̶.̶9̶9̶ - $5 Flat FeeHigh-quality and reliable CMOS battery for your HP ProBook 430 G8HP ProBook 430 G8 CMOS batteries are the highest-quality lithium-ion batteries...
RTC CMOS Battery for HP EliteBook 8530p

RTC CMOS Battery for HP EliteBook 8530p

$15.56
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RTC CMOS Battery for HP EliteBook 8760w

RTC CMOS Battery for HP EliteBook 8760w

$15.56
Limited Time International Shipping Promo ̶$̶1̶3̶.̶9̶9̶ - $5 Flat FeeHigh-quality and reliable CMOS battery for your HP EliteBook 8760wHP EliteBook 8760w CMOS batteries are the highest-quality lithium-ion batteries on the...
RTC CMOS Battery for HP ZBook 15u G6

RTC CMOS Battery for HP ZBook 15u G6

$15.56
Limited Time International Shipping Promo ̶$̶1̶3̶.̶9̶9̶ - $5 Flat FeeHigh-quality and reliable CMOS battery for your HP ZBook 15u G6HP ZBook 15u G6 CMOS batteries are the highest-quality lithium-ion batteries...
RTC CMOS Battery for HP EliteBook 8570w

RTC CMOS Battery for HP EliteBook 8570w

$15.56
Limited Time International Shipping Promo ̶$̶1̶3̶.̶9̶9̶ - $5 Flat FeeHigh-quality and reliable CMOS battery for your HP EliteBook 8570wHP EliteBook 8570w CMOS batteries are the highest-quality lithium-ion batteries on the...
RTC CMOS Battery for HP Envy 17-3070NR

RTC CMOS Battery for HP Envy 17-3070NR

$15.56
Limited Time International Shipping Promo ̶$̶1̶3̶.̶9̶9̶ - $5 Flat FeeHigh-quality and reliable CMOS battery for your HP Envy 17-3070NRHP Envy 17-3070NR CMOS batteries are the highest-quality lithium-ion batteries on the...
RTC CMOS Battery for HP Pavilion G7-1312NR

RTC CMOS Battery for HP Pavilion G7-1312NR

$15.56
Limited Time International Shipping Promo ̶$̶1̶3̶.̶9̶9̶ - $5 Flat FeeHigh-quality and reliable CMOS battery for your HP Pavilion G7-1312NRHP Pavilion G7-1312NR CMOS batteries are the highest-quality lithium-ion batteries on the...
RTC CMOS Battery for HP ZBook 14 Mobile Workstation

RTC CMOS Battery for HP ZBook 14 Mobile Workstation

$15.56
Limited Time International Shipping Promo ̶$̶1̶3̶.̶9̶9̶ - $5 Flat FeeHigh-quality and reliable CMOS battery for your HP ZBook 14 Mobile WorkstationHP ZBook 14 Mobile Workstation CMOS batteries are the highest-quality...
RTC CMOS Battery for HP ZBook 14 G2

RTC CMOS Battery for HP ZBook 14 G2

$15.56
Limited Time International Shipping Promo ̶$̶1̶3̶.̶9̶9̶ - $5 Flat FeeHigh-quality and reliable CMOS battery for your HP ZBook 14 G2HP ZBook 14 G2 CMOS batteries are the highest-quality lithium-ion batteries...

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.