CMOS Batteries

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RTC CMOS Battery for Lenovo Flex 4-1130

RTC CMOS Battery for Lenovo Flex 4-1130

¥80.83
Limited Time International Shipping Promo ̶$̶1̶3̶.̶9̶9̶ - $5 Flat FeeHigh-quality and reliable CMOS battery for your Lenovo Flex 4-1130Lenovo Flex 4-1130 CMOS batteries are the highest-quality lithium-ion batteries on the...
RTC CMOS Battery for Lenovo ThinkPad 11e

RTC CMOS Battery for Lenovo ThinkPad 11e

¥80.83
Limited Time International Shipping Promo ̶$̶1̶3̶.̶9̶9̶ - $5 Flat FeeHigh-quality and reliable CMOS battery for your Lenovo ThinkPad 11eLenovo ThinkPad 11e CMOS batteries are the highest-quality lithium-ion batteries on the...
RTC CMOS Battery for Lenovo IdeaPad 100e 2nd Gen

RTC CMOS Battery for Lenovo IdeaPad 100e 2nd Gen

¥80.83
Limited Time International Shipping Promo ̶$̶1̶3̶.̶9̶9̶ - $5 Flat FeeHigh-quality and reliable CMOS battery for your Lenovo IdeaPad 100e 2nd GenLenovo IdeaPad 100e 2nd Gen CMOS batteries are the highest-quality...
RTC CMOS Battery for Lenovo ThinkPad X1 Carbon 6th Gen

RTC CMOS Battery for Lenovo ThinkPad X1 Carbon 6th Gen

¥80.83
Limited Time International Shipping Promo ̶$̶1̶3̶.̶9̶9̶ - $5 Flat FeeHigh-quality and reliable CMOS battery for your Lenovo ThinkPad X1 Carbon 6th GenLenovo ThinkPad X1 Carbon 6th Gen CMOS batteries are...
RTC CMOS Battery for Lenovo ThinkPad Edge 13 inch

RTC CMOS Battery for Lenovo ThinkPad Edge 13 inch

¥80.83
Limited Time International Shipping Promo ̶$̶1̶3̶.̶9̶9̶ - $5 Flat FeeHigh-quality and reliable CMOS battery for your Lenovo ThinkPad Edge 13 inchLenovo ThinkPad Edge 13 inch CMOS batteries are the highest-quality...
RTC CMOS Battery for Lenovo ThinkPad X1 Carbon 2nd Gen (NOT FOR TABLET VERSION)

RTC CMOS Battery for Lenovo ThinkPad X1 Carbon 2nd Gen (NOT FOR TABLET VERSION)

¥80.83
Limited Time International Shipping Promo ̶$̶1̶3̶.̶9̶9̶ - $5 Flat FeeHigh-quality and reliable CMOS battery for your Lenovo ThinkPad X1 Carbon 2nd Gen (NOT FOR TABLET VERSION)Lenovo ThinkPad X1 Carbon 2nd...
RTC CMOS Battery for Lenovo ThinkPad Edge 11 inch

RTC CMOS Battery for Lenovo ThinkPad Edge 11 inch

¥80.83
Limited Time International Shipping Promo ̶$̶1̶3̶.̶9̶9̶ - $5 Flat FeeHigh-quality and reliable CMOS battery for your Lenovo ThinkPad Edge 11 inchLenovo ThinkPad Edge 11 inch CMOS batteries are the highest-quality...
RTC CMOS Battery for Lenovo IdeaPad S130-14IGM

RTC CMOS Battery for Lenovo IdeaPad S130-14IGM

¥80.83
Limited Time International Shipping Promo ̶$̶1̶3̶.̶9̶9̶ - $5 Flat FeeHigh-quality and reliable CMOS battery for your Lenovo IdeaPad S130-14IGMLenovo IdeaPad S130-14IGM CMOS batteries are the highest-quality lithium-ion batteries on the...
RTC CMOS Battery for Lenovo ThinkBook 15p

RTC CMOS Battery for Lenovo ThinkBook 15p

¥80.83
Limited Time International Shipping Promo ̶$̶1̶3̶.̶9̶9̶ - $5 Flat FeeHigh-quality and reliable CMOS battery for your Lenovo ThinkBook 15pLenovo ThinkBook 15p CMOS batteries are the highest-quality lithium-ion batteries on the...
RTC CMOS Battery for Lenovo 3000 V100

RTC CMOS Battery for Lenovo 3000 V100

¥80.83
Limited Time International Shipping Promo ̶$̶1̶3̶.̶9̶9̶ - $5 Flat FeeHigh-quality and reliable CMOS battery for your Lenovo 3000 V100Lenovo 3000 V100 CMOS batteries are the highest-quality lithium-ion batteries on the...
RTC CMOS Battery for Lenovo Flex 6-11IGM

RTC CMOS Battery for Lenovo Flex 6-11IGM

¥80.83
Limited Time International Shipping Promo ̶$̶1̶3̶.̶9̶9̶ - $5 Flat FeeHigh-quality and reliable CMOS battery for your Lenovo Flex 6-11IGMLenovo Flex 6-11IGM CMOS batteries are the highest-quality lithium-ion batteries on the...
RTC CMOS Battery for Lenovo ThinkPad S5

RTC CMOS Battery for Lenovo ThinkPad S5

¥80.83
Limited Time International Shipping Promo ̶$̶1̶3̶.̶9̶9̶ - $5 Flat FeeHigh-quality and reliable CMOS battery for your Lenovo ThinkPad S5Lenovo ThinkPad S5 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.