CMOS Batteries

Sort by:
RTC CMOS Battery for ASUS N55

RTC CMOS Battery for ASUS N55

£8.87
Limited Time International Shipping Promo ̶$̶1̶3̶.̶9̶9̶ - $5 Flat FeeHigh-quality and reliable CMOS battery for your ASUS N55ASUS N55 CMOS batteries are the highest-quality lithium-ion batteries on the market. High...
RTC CMOS Battery for Lenovo V560

RTC CMOS Battery for Lenovo V560

£8.87
Limited Time International Shipping Promo ̶$̶1̶3̶.̶9̶9̶ - $5 Flat FeeHigh-quality and reliable CMOS battery for your Lenovo V560Lenovo V560 CMOS batteries are the highest-quality lithium-ion batteries on the market. High...
RTC CMOS Battery for Sony VAIO SVE111B11V

RTC CMOS Battery for Sony VAIO SVE111B11V

£8.87
Limited Time International Shipping Promo ̶$̶1̶3̶.̶9̶9̶ - $5 Flat FeeHigh-quality and reliable CMOS battery for your Sony VAIO SVE111B11VSony VAIO SVE111B11V CMOS batteries are the highest-quality lithium-ion batteries on the...
RTC CMOS Battery for HP ProBook 4310s

RTC CMOS Battery for HP ProBook 4310s

£8.87
Limited Time International Shipping Promo ̶$̶1̶3̶.̶9̶9̶ - $5 Flat FeeHigh-quality and reliable CMOS battery for your HP ProBook 4310sHP ProBook 4310s CMOS batteries are the highest-quality lithium-ion batteries on the...
RTC CMOS Battery for Lenovo IdeaPad M5400

RTC CMOS Battery for Lenovo IdeaPad M5400

£8.87
Limited Time International Shipping Promo ̶$̶1̶3̶.̶9̶9̶ - $5 Flat FeeHigh-quality and reliable CMOS battery for your Lenovo IdeaPad M5400Lenovo IdeaPad M5400 CMOS batteries are the highest-quality lithium-ion batteries on the...
RTC CMOS Battery for Lenovo IdeaPad 310-15ABR (not V Series)

RTC CMOS Battery for Lenovo IdeaPad 310-15ABR (not V Series)

£8.87
Limited Time International Shipping Promo ̶$̶1̶3̶.̶9̶9̶ - $5 Flat FeeHigh-quality and reliable CMOS battery for your Lenovo IdeaPad 310-15ABR (not V Series)Lenovo IdeaPad 310-15ABR (not V Series) CMOS batteries are...
RTC CMOS Battery for Lenovo IdeaPad 310-15ISK (not V Series)

RTC CMOS Battery for Lenovo IdeaPad 310-15ISK (not V Series)

£8.87
Limited Time International Shipping Promo ̶$̶1̶3̶.̶9̶9̶ - $5 Flat FeeHigh-quality and reliable CMOS battery for your Lenovo IdeaPad 310-15ISK (not V Series)Lenovo IdeaPad 310-15ISK (not V Series) CMOS batteries are...
RTC CMOS Battery for Lenovo IdeaPad 310-15 (not V Series)

RTC CMOS Battery for Lenovo IdeaPad 310-15 (not V Series)

£8.87
Limited Time International Shipping Promo ̶$̶1̶3̶.̶9̶9̶ - $5 Flat FeeHigh-quality and reliable CMOS battery for your Lenovo IdeaPad 310-15 (not V Series)Lenovo IdeaPad 310-15 (not V Series) CMOS batteries are...
RTC CMOS Battery for ASUS Eee PC 1215B

RTC CMOS Battery for ASUS Eee PC 1215B

£8.87
Limited Time International Shipping Promo ̶$̶1̶3̶.̶9̶9̶ - $5 Flat FeeHigh-quality and reliable CMOS battery for your ASUS Eee PC 1215BASUS Eee PC 1215B CMOS batteries are the highest-quality lithium-ion batteries...
RTC CMOS Battery for ASUS G75VX

RTC CMOS Battery for ASUS G75VX

£8.87
Limited Time International Shipping Promo ̶$̶1̶3̶.̶9̶9̶ - $5 Flat FeeHigh-quality and reliable CMOS battery for your ASUS G75VXASUS G75VX CMOS batteries are the highest-quality lithium-ion batteries on the market. High...
RTC CMOS Battery for ASUS G75VW

RTC CMOS Battery for ASUS G75VW

£8.87
Limited Time International Shipping Promo ̶$̶1̶3̶.̶9̶9̶ - $5 Flat FeeHigh-quality and reliable CMOS battery for your ASUS G75VWASUS G75VW CMOS batteries are the highest-quality lithium-ion batteries on the market. High...
RTC CMOS Battery for HP Pavilion DM3-2000

RTC CMOS Battery for HP Pavilion DM3-2000

£8.87
Limited Time International Shipping Promo ̶$̶1̶3̶.̶9̶9̶ - $5 Flat FeeHigh-quality and reliable CMOS battery for your HP Pavilion DM3-2000HP Pavilion DM3-2000 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.