CMOS Batteries

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RTC CMOS Battery for Lenovo ThinkPad X13 Gen 2 (Type 20WK, 20WL)

RTC CMOS Battery for Lenovo ThinkPad X13 Gen 2 (Type 20WK, 20WL)

£8.86
Limited Time International Shipping Promo ̶$̶1̶3̶.̶9̶9̶ - $5 Flat FeeHigh-quality and reliable CMOS battery for your Lenovo ThinkPad X13 Gen 2 (Type 20WK, 20WL)Lenovo ThinkPad X13 Gen 2 (Type 20WK,...
RTC CMOS Battery for Lenovo ThinkPad X13 (Type 20UF, 20UG)

RTC CMOS Battery for Lenovo ThinkPad X13 (Type 20UF, 20UG)

£8.86
Limited Time International Shipping Promo ̶$̶1̶3̶.̶9̶9̶ - $5 Flat FeeHigh-quality and reliable CMOS battery for your Lenovo ThinkPad X13 (Type 20UF, 20UG)Lenovo ThinkPad X13 (Type 20UF, 20UG) CMOS batteries are...
RTC CMOS Battery for Lenovo ThinkPad X13 (Type 20T2, 20T3)

RTC CMOS Battery for Lenovo ThinkPad X13 (Type 20T2, 20T3)

£8.86
Limited Time International Shipping Promo ̶$̶1̶3̶.̶9̶9̶ - $5 Flat FeeHigh-quality and reliable CMOS battery for your Lenovo ThinkPad X13 (Type 20T2, 20T3)Lenovo ThinkPad X13 (Type 20T2, 20T3) CMOS batteries are...
RTC CMOS Battery for Lenovo ThinkPad W701DS

RTC CMOS Battery for Lenovo ThinkPad W701DS

£8.86
Limited Time International Shipping Promo ̶$̶1̶3̶.̶9̶9̶ - $5 Flat FeeHigh-quality and reliable CMOS battery for your Lenovo ThinkPad W701DSLenovo ThinkPad W701DS CMOS batteries are the highest-quality lithium-ion batteries on the...
RTC CMOS Battery for Lenovo ThinkPad T60p

RTC CMOS Battery for Lenovo ThinkPad T60p

£8.86
Limited Time International Shipping Promo ̶$̶1̶3̶.̶9̶9̶ - $5 Flat FeeHigh-quality and reliable CMOS battery for your Lenovo ThinkPad T60pLenovo ThinkPad T60p CMOS batteries are the highest-quality lithium-ion batteries on the...
RTC CMOS Battery for Lenovo ThinkPad T580

RTC CMOS Battery for Lenovo ThinkPad T580

£8.86
Limited Time International Shipping Promo ̶$̶1̶3̶.̶9̶9̶ - $5 Flat FeeHigh-quality and reliable CMOS battery for your Lenovo ThinkPad T580Lenovo ThinkPad T580 CMOS batteries are the highest-quality lithium-ion batteries on the...
RTC CMOS Battery for Lenovo ThinkPad T430I

RTC CMOS Battery for Lenovo ThinkPad T430I

£8.86
Limited Time International Shipping Promo ̶$̶1̶3̶.̶9̶9̶ - $5 Flat FeeHigh-quality and reliable CMOS battery for your Lenovo ThinkPad T430ILenovo ThinkPad T430I CMOS batteries are the highest-quality lithium-ion batteries on the...
RTC CMOS Battery for Lenovo ThinkPad T43P

RTC CMOS Battery for Lenovo ThinkPad T43P

£8.86
Limited Time International Shipping Promo ̶$̶1̶3̶.̶9̶9̶ - $5 Flat FeeHigh-quality and reliable CMOS battery for your Lenovo ThinkPad T43PLenovo ThinkPad T43P CMOS batteries are the highest-quality lithium-ion batteries on the...
RTC CMOS Battery for Lenovo ThinkPad T42P

RTC CMOS Battery for Lenovo ThinkPad T42P

£8.86
Limited Time International Shipping Promo ̶$̶1̶3̶.̶9̶9̶ - $5 Flat FeeHigh-quality and reliable CMOS battery for your Lenovo ThinkPad T42PLenovo ThinkPad T42P CMOS batteries are the highest-quality lithium-ion batteries on the...
RTC CMOS Battery for Lenovo ThinkPad T41P

RTC CMOS Battery for Lenovo ThinkPad T41P

£8.86
Limited Time International Shipping Promo ̶$̶1̶3̶.̶9̶9̶ - $5 Flat FeeHigh-quality and reliable CMOS battery for your Lenovo ThinkPad T41PLenovo ThinkPad T41P CMOS batteries are the highest-quality lithium-ion batteries on the...
RTC CMOS Battery for Lenovo ThinkPad T40P

RTC CMOS Battery for Lenovo ThinkPad T40P

£8.86
Limited Time International Shipping Promo ̶$̶1̶3̶.̶9̶9̶ - $5 Flat FeeHigh-quality and reliable CMOS battery for your Lenovo ThinkPad T40PLenovo ThinkPad T40P CMOS batteries are the highest-quality lithium-ion batteries on the...
RTC CMOS Battery for Lenovo ThinkPad R61i 7642

RTC CMOS Battery for Lenovo ThinkPad R61i 7642

£8.86
Limited Time International Shipping Promo ̶$̶1̶3̶.̶9̶9̶ - $5 Flat FeeHigh-quality and reliable CMOS battery for your Lenovo ThinkPad R61i 7642Lenovo ThinkPad R61i 7642 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.