CMOS Batteries

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RTC CMOS Battery for Hydrafacial Machines Tower Rev2

RTC CMOS Battery for Hydrafacial Machines Tower Rev2

$10.99
Limited Time International Shipping Promo ̶$̶1̶3̶.̶9̶9̶ - $5 Flat FeeHigh-quality and reliable CMOS battery for your Hydrafacial Machines Tower Rev2Hydrafacial Machines Tower Rev2 CMOS batteries are the highest-quality lithium-ion batteries...
RTC CMOS Battery for Hannspree SN10E2

RTC CMOS Battery for Hannspree SN10E2

$10.99
Limited Time International Shipping Promo ̶$̶1̶3̶.̶9̶9̶ - $5 Flat FeeHigh-quality and reliable CMOS battery for your Hannspree SN10E2Hannspree SN10E2 CMOS batteries are the highest-quality lithium-ion batteries on the market. High...
RTC CMOS Battery for Evoo 2EV-AIO-185-1

RTC CMOS Battery for Evoo 2EV-AIO-185-1

$10.99
Limited Time International Shipping Promo ̶$̶1̶3̶.̶9̶9̶ - $5 Flat FeeHigh-quality and reliable CMOS battery for your Evoo 2EV-AIO-185-1Evoo 2EV-AIO-185-1 CMOS batteries are the highest-quality lithium-ion batteries on the market. High...
RTC CMOS Battery for Durabook S14i G2

RTC CMOS Battery for Durabook S14i G2

$10.99
Limited Time International Shipping Promo ̶$̶1̶3̶.̶9̶9̶ - $5 Flat FeeHigh-quality and reliable CMOS battery for your Durabook S14i G2Durabook S14i G2 CMOS batteries are the highest-quality lithium-ion batteries on the...
RTC CMOS Battery for Durabook S14i

RTC CMOS Battery for Durabook S14i

$10.99
Limited Time International Shipping Promo ̶$̶1̶3̶.̶9̶9̶ - $5 Flat FeeHigh-quality and reliable CMOS battery for your Durabook S14iDurabook S14i CMOS batteries are the highest-quality lithium-ion batteries on the market. High...
RTC CMOS Battery for Clevo Zoomstorm W251HU

RTC CMOS Battery for Clevo Zoomstorm W251HU

$10.99
Limited Time International Shipping Promo ̶$̶1̶3̶.̶9̶9̶ - $5 Flat FeeHigh-quality and reliable CMOS battery for your Clevo Zoomstorm W251HUClevo Zoomstorm W251HU CMOS batteries are the highest-quality lithium-ion batteries on the...
RTC CMOS Battery for Clevo N141ZU

RTC CMOS Battery for Clevo N141ZU

$10.99
Limited Time International Shipping Promo ̶$̶1̶3̶.̶9̶9̶ - $5 Flat FeeHigh-quality and reliable CMOS battery for your Clevo N141ZUClevo N141ZU CMOS batteries are the highest-quality lithium-ion batteries on the market. High...
RTC CMOS Battery for Clevo M770CUH

RTC CMOS Battery for Clevo M770CUH

$10.99
Limited Time International Shipping Promo ̶$̶1̶3̶.̶9̶9̶ - $5 Flat FeeHigh-quality and reliable CMOS battery for your Clevo M770CUHClevo M770CUH CMOS batteries are the highest-quality lithium-ion batteries on the market. High...
RTC CMOS Battery for Awow Ax41 Motherboard

RTC CMOS Battery for Awow Ax41 Motherboard

$10.99
Limited Time International Shipping Promo ̶$̶1̶3̶.̶9̶9̶ - $5 Flat FeeHigh-quality and reliable CMOS battery for your Awow Ax41 MotherboardAwow Ax41 Motherboard CMOS batteries are the highest-quality lithium-ion batteries on the...
RTC CMOS Battery for Awow AK34 Mini PC

RTC CMOS Battery for Awow AK34 Mini PC

$10.99
Limited Time International Shipping Promo ̶$̶1̶3̶.̶9̶9̶ - $5 Flat FeeHigh-quality and reliable CMOS battery for your Awow AK34 Mini PCAwow AK34 Mini PC CMOS batteries are the highest-quality lithium-ion batteries...
RTC CMOS Battery for Advent Tacto

RTC CMOS Battery for Advent Tacto

$10.99
Limited Time International Shipping Promo ̶$̶1̶3̶.̶9̶9̶ - $5 Flat FeeHigh-quality and reliable CMOS battery for your Advent TactoAdvent Tacto CMOS batteries are the highest-quality lithium-ion batteries on the market. High...
RTC CMOS Battery for Advent 4211

RTC CMOS Battery for Advent 4211

$10.99
Limited Time International Shipping Promo ̶$̶1̶3̶.̶9̶9̶ - $5 Flat FeeHigh-quality and reliable CMOS battery for your Advent 4211Advent 4211 CMOS batteries are the highest-quality lithium-ion batteries on the market. High...

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.