CMOS Batteries

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RTC CMOS Battery for Samsung Series 5 NP535U3C

RTC CMOS Battery for Samsung Series 5 NP535U3C

¥80.94
Limited Time International Shipping Promo ̶$̶1̶3̶.̶9̶9̶ - $5 Flat FeeHigh-quality and reliable CMOS battery for your Samsung Series 5 NP535U3CSamsung Series 5 NP535U3C CMOS batteries are the highest-quality lithium-ion batteries...
RTC CMOS Battery for Samsung Series 9 NP900X3C

RTC CMOS Battery for Samsung Series 9 NP900X3C

¥80.94
Limited Time International Shipping Promo ̶$̶1̶3̶.̶9̶9̶ - $5 Flat FeeHigh-quality and reliable CMOS battery for your Samsung Series 9 NP900X3CSamsung Series 9 NP900X3C CMOS batteries are the highest-quality lithium-ion batteries...
RTC CMOS Battery for Samsung Chromebook 3 XE550C22

RTC CMOS Battery for Samsung Chromebook 3 XE550C22

¥80.94
Limited Time International Shipping Promo ̶$̶1̶3̶.̶9̶9̶ - $5 Flat FeeHigh-quality and reliable CMOS battery for your Samsung Chromebook 3 XE550C22Samsung Chromebook 3 XE550C22 CMOS batteries are the highest-quality lithium-ion batteries...
RTC CMOS Battery for Samsung Chromebook 3 XE500C21

RTC CMOS Battery for Samsung Chromebook 3 XE500C21

¥80.94
Limited Time International Shipping Promo ̶$̶1̶3̶.̶9̶9̶ - $5 Flat FeeHigh-quality and reliable CMOS battery for your Samsung Chromebook 3 XE500C21Samsung Chromebook 3 XE500C21 CMOS batteries are the highest-quality lithium-ion batteries...
RTC CMOS Battery for Samsung Chromebook 3 XE500C13

RTC CMOS Battery for Samsung Chromebook 3 XE500C13

¥80.94
Limited Time International Shipping Promo ̶$̶1̶3̶.̶9̶9̶ - $5 Flat FeeHigh-quality and reliable CMOS battery for your Samsung Chromebook 3 XE500C13Samsung Chromebook 3 XE500C13 CMOS batteries are the highest-quality lithium-ion batteries...
RTC CMOS Battery for Samsung Chromebook 3 XE303C12

RTC CMOS Battery for Samsung Chromebook 3 XE303C12

¥80.94
Limited Time International Shipping Promo ̶$̶1̶3̶.̶9̶9̶ - $5 Flat FeeHigh-quality and reliable CMOS battery for your Samsung Chromebook 3 XE303C12Samsung Chromebook 3 XE303C12 CMOS batteries are the highest-quality lithium-ion batteries...
RTC CMOS Battery for MSI Prestige 14 Evo A11M

RTC CMOS Battery for MSI Prestige 14 Evo A11M

¥80.94
Limited Time International Shipping Promo ̶$̶1̶3̶.̶9̶9̶ - $5 Flat FeeHigh-quality and reliable CMOS battery for your MSI Prestige 14 Evo A11MMSI Prestige 14 Evo A11M CMOS batteries are the highest-quality...
RTC CMOS Battery for MSI Modern 14 B10MW

RTC CMOS Battery for MSI Modern 14 B10MW

¥80.94
Limited Time International Shipping Promo ̶$̶1̶3̶.̶9̶9̶ - $5 Flat FeeHigh-quality and reliable CMOS battery for your MSI Modern 14 B10MWMSI Modern 14 B10MW CMOS batteries are the highest-quality lithium-ion batteries...
RTC CMOS Battery for MSI GS73VR 6RF Stealth Pro

RTC CMOS Battery for MSI GS73VR 6RF Stealth Pro

¥80.94
Limited Time International Shipping Promo ̶$̶1̶3̶.̶9̶9̶ - $5 Flat FeeHigh-quality and reliable CMOS battery for your MSI GS73VR 6RF Stealth ProMSI GS73VR 6RF Stealth Pro CMOS batteries are the highest-quality...
RTC CMOS Battery for Lenovo ThinkPad Yoga 260

RTC CMOS Battery for Lenovo ThinkPad Yoga 260

¥80.94
Limited Time International Shipping Promo ̶$̶1̶3̶.̶9̶9̶ - $5 Flat FeeHigh-quality and reliable CMOS battery for your Lenovo ThinkPad Yoga 260Lenovo ThinkPad Yoga 260 CMOS batteries are the highest-quality lithium-ion batteries...
RTC CMOS Battery for Lenovo ThinkPad X1 Extreme 4th Gen (Type 20Y5, 20Y6)

RTC CMOS Battery for Lenovo ThinkPad X1 Extreme 4th Gen (Type 20Y5, 20Y6)

¥80.94
Limited Time International Shipping Promo ̶$̶1̶3̶.̶9̶9̶ - $5 Flat FeeHigh-quality and reliable CMOS battery for your Lenovo ThinkPad X1 Extreme 4th Gen (Type 20Y5, 20Y6)Lenovo ThinkPad X1 Extreme 4th Gen...
RTC CMOS Battery for Lenovo IdeaPad Flex 5-1470

RTC CMOS Battery for Lenovo IdeaPad Flex 5-1470

¥80.94
Limited Time International Shipping Promo ̶$̶1̶3̶.̶9̶9̶ - $5 Flat FeeHigh-quality and reliable CMOS battery for your Lenovo IdeaPad Flex 5-1470Lenovo IdeaPad Flex 5-1470 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.