CMOS Batteries

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RTC CMOS Battery for Lenovo IdeaPad S340-14API

RTC CMOS Battery for Lenovo IdeaPad S340-14API

$15.59
Limited Time International Shipping Promo ̶$̶1̶3̶.̶9̶9̶ - $5 Flat FeeHigh-quality and reliable CMOS battery for your Lenovo IdeaPad S340-14APILenovo IdeaPad S340-14API CMOS batteries are the highest-quality lithium-ion batteries on the...
RTC CMOS Battery for Lenovo IdeaPad S145-15IKB

RTC CMOS Battery for Lenovo IdeaPad S145-15IKB

$15.59
Limited Time International Shipping Promo ̶$̶1̶3̶.̶9̶9̶ - $5 Flat FeeHigh-quality and reliable CMOS battery for your Lenovo IdeaPad S145-15IKBLenovo IdeaPad S145-15IKB CMOS batteries are the highest-quality lithium-ion batteries on the...
RTC CMOS Battery for Lenovo IdeaPad S145-15IIL

RTC CMOS Battery for Lenovo IdeaPad S145-15IIL

$15.59
Limited Time International Shipping Promo ̶$̶1̶3̶.̶9̶9̶ - $5 Flat FeeHigh-quality and reliable CMOS battery for your Lenovo IdeaPad S145-15IILLenovo IdeaPad S145-15IIL CMOS batteries are the highest-quality lithium-ion batteries on the...
RTC CMOS Battery for Lenovo IdeaPad S145-14IWL

RTC CMOS Battery for Lenovo IdeaPad S145-14IWL

$15.59
Limited Time International Shipping Promo ̶$̶1̶3̶.̶9̶9̶ - $5 Flat FeeHigh-quality and reliable CMOS battery for your Lenovo IdeaPad S145-14IWLLenovo IdeaPad S145-14IWL CMOS batteries are the highest-quality lithium-ion batteries on the...
RTC CMOS Battery for Lenovo IdeaPad S145-14IIL

RTC CMOS Battery for Lenovo IdeaPad S145-14IIL

$15.59
Limited Time International Shipping Promo ̶$̶1̶3̶.̶9̶9̶ - $5 Flat FeeHigh-quality and reliable CMOS battery for your Lenovo IdeaPad S145-14IILLenovo IdeaPad S145-14IIL CMOS batteries are the highest-quality lithium-ion batteries on the...
RTC CMOS Battery for Lenovo IdeaPad S145-14IGM

RTC CMOS Battery for Lenovo IdeaPad S145-14IGM

$15.59
Limited Time International Shipping Promo ̶$̶1̶3̶.̶9̶9̶ - $5 Flat FeeHigh-quality and reliable CMOS battery for your Lenovo IdeaPad S145-14IGMLenovo IdeaPad S145-14IGM CMOS batteries are the highest-quality lithium-ion batteries on the...
RTC CMOS Battery for Lenovo IdeaPad S145-14AST

RTC CMOS Battery for Lenovo IdeaPad S145-14AST

$15.59
Limited Time International Shipping Promo ̶$̶1̶3̶.̶9̶9̶ - $5 Flat FeeHigh-quality and reliable CMOS battery for your Lenovo IdeaPad S145-14ASTLenovo IdeaPad S145-14AST CMOS batteries are the highest-quality lithium-ion batteries on the...
RTC CMOS Battery for Lenovo IdeaPad S145-14API

RTC CMOS Battery for Lenovo IdeaPad S145-14API

$15.59
Limited Time International Shipping Promo ̶$̶1̶3̶.̶9̶9̶ - $5 Flat FeeHigh-quality and reliable CMOS battery for your Lenovo IdeaPad S145-14APILenovo IdeaPad S145-14API CMOS batteries are the highest-quality lithium-ion batteries on the...
RTC CMOS Battery for Lenovo IdeaPad C340-15IWL

RTC CMOS Battery for Lenovo IdeaPad C340-15IWL

$15.59
Limited Time International Shipping Promo ̶$̶1̶3̶.̶9̶9̶ - $5 Flat FeeHigh-quality and reliable CMOS battery for your Lenovo IdeaPad C340-15IWLLenovo IdeaPad C340-15IWL CMOS batteries are the highest-quality lithium-ion batteries on the...
RTC CMOS Battery for Lenovo IdeaPad 5-15ITL05

RTC CMOS Battery for Lenovo IdeaPad 5-15ITL05

$15.59
Limited Time International Shipping Promo ̶$̶1̶3̶.̶9̶9̶ - $5 Flat FeeHigh-quality and reliable CMOS battery for your Lenovo IdeaPad 5-15ITL05Lenovo IdeaPad 5-15ITL05 CMOS batteries are the highest-quality lithium-ion batteries on the...
RTC CMOS Battery for Lenovo IdeaPad C340-15IIL

RTC CMOS Battery for Lenovo IdeaPad C340-15IIL

$15.59
Limited Time International Shipping Promo ̶$̶1̶3̶.̶9̶9̶ - $5 Flat FeeHigh-quality and reliable CMOS battery for your Lenovo IdeaPad C340-15IILLenovo IdeaPad C340-15IIL CMOS batteries are the highest-quality lithium-ion batteries on the...
RTC CMOS Battery for Lenovo IdeaPad 5-15IIL05

RTC CMOS Battery for Lenovo IdeaPad 5-15IIL05

$15.59
Limited Time International Shipping Promo ̶$̶1̶3̶.̶9̶9̶ - $5 Flat FeeHigh-quality and reliable CMOS battery for your Lenovo IdeaPad 5-15IIL05Lenovo IdeaPad 5-15IIL05 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.