CMOS Batteries

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RTC CMOS Battery for Lenovo ThinkPad P51

RTC CMOS Battery for Lenovo ThinkPad P51

$10.99
Limited Time International Shipping Promo ̶$̶1̶3̶.̶9̶9̶ - $5 Flat FeeHigh-quality and reliable CMOS battery for your Lenovo ThinkPad P51Lenovo ThinkPad P51 CMOS batteries are the highest-quality lithium-ion batteries on the...
RTC CMOS Battery for Lenovo ThinkPad P50

RTC CMOS Battery for Lenovo ThinkPad P50

$10.99
Limited Time International Shipping Promo ̶$̶1̶3̶.̶9̶9̶ - $5 Flat FeeHigh-quality and reliable CMOS battery for your Lenovo ThinkPad P50Lenovo ThinkPad P50 CMOS batteries are the highest-quality lithium-ion batteries on the...
RTC CMOS Battery for Lenovo ThinkPad W541

RTC CMOS Battery for Lenovo ThinkPad W541

$10.99
Limited Time International Shipping Promo ̶$̶1̶3̶.̶9̶9̶ - $5 Flat FeeHigh-quality and reliable CMOS battery for your Lenovo ThinkPad W541Lenovo ThinkPad W541 CMOS batteries are the highest-quality lithium-ion batteries on the...
RTC CMOS Battery for Lenovo ThinkPad L430

RTC CMOS Battery for Lenovo ThinkPad L430

$10.99
Limited Time International Shipping Promo ̶$̶1̶3̶.̶9̶9̶ - $5 Flat FeeHigh-quality and reliable CMOS battery for your Lenovo ThinkPad L430Lenovo ThinkPad L430 CMOS batteries are the highest-quality lithium-ion batteries on the...
RTC CMOS Battery for Lenovo ThinkPad L15 (Type 20U3, 20U4)

RTC CMOS Battery for Lenovo ThinkPad L15 (Type 20U3, 20U4)

$10.99
Limited Time International Shipping Promo ̶$̶1̶3̶.̶9̶9̶ - $5 Flat FeeHigh-quality and reliable CMOS battery for your Lenovo ThinkPad L15 (Type 20U3, 20U4)Lenovo ThinkPad L15 (Type 20U3, 20U4) CMOS batteries are...
RTC CMOS Battery for Lenovo IdeaPad V570

RTC CMOS Battery for Lenovo IdeaPad V570

$10.99
Limited Time International Shipping Promo ̶$̶1̶3̶.̶9̶9̶ - $5 Flat FeeHigh-quality and reliable CMOS battery for your Lenovo IdeaPad V570Lenovo IdeaPad V570 CMOS batteries are the highest-quality lithium-ion batteries on the...
RTC CMOS Battery for Lenovo Legion Y7000

RTC CMOS Battery for Lenovo Legion Y7000

$10.99
Limited Time International Shipping Promo ̶$̶1̶3̶.̶9̶9̶ - $5 Flat FeeHigh-quality and reliable CMOS battery for your Lenovo Legion Y7000Lenovo Legion Y7000 CMOS batteries are the highest-quality lithium-ion batteries on the...
RTC CMOS Battery for HP ZBook 17 Mobile Workstation

RTC CMOS Battery for HP ZBook 17 Mobile Workstation

$10.99
Limited Time International Shipping Promo ̶$̶1̶3̶.̶9̶9̶ - $5 Flat FeeHigh-quality and reliable CMOS battery for your HP ZBook 17 Mobile WorkstationHP ZBook 17 Mobile Workstation CMOS batteries are the highest-quality...
RTC CMOS Battery for HP Envy DV6-7000

RTC CMOS Battery for HP Envy DV6-7000

$10.99
Limited Time International Shipping Promo ̶$̶1̶3̶.̶9̶9̶ - $5 Flat FeeHigh-quality and reliable CMOS battery for your HP Envy DV6-7000HP Envy DV6-7000 CMOS batteries are the highest-quality lithium-ion batteries on the...
RTC CMOS Battery for HP Elitebook 8460P

RTC CMOS Battery for HP Elitebook 8460P

$10.99
Limited Time International Shipping Promo ̶$̶1̶3̶.̶9̶9̶ - $5 Flat FeeHigh-quality and reliable CMOS battery for your HP Elitebook 8460PHP Elitebook 8460P CMOS batteries are the highest-quality lithium-ion batteries on the...
RTC CMOS Battery for ASUS ROG G75VW

RTC CMOS Battery for ASUS ROG G75VW

$10.99
Limited Time International Shipping Promo ̶$̶1̶3̶.̶9̶9̶ - $5 Flat FeeHigh-quality and reliable CMOS battery for your ASUS ROG G75VWASUS ROG G75VW CMOS batteries are the highest-quality lithium-ion batteries on the...
RTC CMOS Battery for ASUS Eee PC 1001P

RTC CMOS Battery for ASUS Eee PC 1001P

$10.99
Limited Time International Shipping Promo ̶$̶1̶3̶.̶9̶9̶ - $5 Flat FeeHigh-quality and reliable CMOS battery for your ASUS Eee PC 1001PASUS Eee PC 1001P 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.