CMOS Batteries

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RTC CMOS Battery for VIA VB7001AG Mini-ITX Motherboard

RTC CMOS Battery for VIA VB7001AG Mini-ITX Motherboard

$9.31
Limited Time International Shipping Promo ̶$̶1̶3̶.̶9̶9̶ - $5 Flat FeeHigh-quality and reliable CMOS coin battery for your VIA VB7001AG Mini-ITX MotherboardVIA VB7001AG Mini-ITX Motherboard CMOS coin batteries are the highest-quality...
RTC CMOS Battery for Jetway 7F2WE1G5S-OC-LF Mini-ITX Motherboard

RTC CMOS Battery for Jetway 7F2WE1G5S-OC-LF Mini-ITX Motherboard

$9.31
Limited Time International Shipping Promo ̶$̶1̶3̶.̶9̶9̶ - $5 Flat FeeHigh-quality and reliable CMOS coin battery for your Jetway 7F2WE1G5S-OC-LF Mini-ITX MotherboardJetway 7F2WE1G5S-OC-LF Mini-ITX Motherboard CMOS coin batteries are the highest-quality...
RTC CMOS Battery for Jetway NF93R-LF Mini-ITX Motherboard

RTC CMOS Battery for Jetway NF93R-LF Mini-ITX Motherboard

$9.31
Limited Time International Shipping Promo ̶$̶1̶3̶.̶9̶9̶ - $5 Flat FeeHigh-quality and reliable CMOS coin battery for your Jetway NF93R-LF Mini-ITX MotherboardJetway NF93R-LF Mini-ITX Motherboard CMOS coin batteries are the highest-quality...
RTC CMOS Battery for VIA C3VCM6 Mini-ITX Motherboard

RTC CMOS Battery for VIA C3VCM6 Mini-ITX Motherboard

$9.31
Limited Time International Shipping Promo ̶$̶1̶3̶.̶9̶9̶ - $5 Flat FeeHigh-quality and reliable CMOS coin battery for your VIA C3VCM6 Mini-ITX MotherboardVIA C3VCM6 Mini-ITX Motherboard CMOS coin batteries are the highest-quality...
RTC CMOS Battery for Portwell ROBO-8712VLA Single Board Computer

RTC CMOS Battery for Portwell ROBO-8712VLA Single Board Computer

$9.31
Limited Time International Shipping Promo ̶$̶1̶3̶.̶9̶9̶ - $5 Flat FeeHigh-quality and reliable CMOS coin battery for your Portwell ROBO-8712VLA Single Board ComputerPortwell ROBO-8712VLA Single Board Computer CMOS coin batteries are...
RTC CMOS Battery for Acer Extensa 5620

RTC CMOS Battery for Acer Extensa 5620

$9.31
Limited Time International Shipping Promo ̶$̶1̶3̶.̶9̶9̶ - $5 Flat FeeHigh-quality and reliable CMOS coin battery for your Acer Extensa 5620Acer Extensa 5620 CMOS coin batteries are the highest-quality lithium-ion batteries...
RTC CMOS Battery for Acer Extensa 5220

RTC CMOS Battery for Acer Extensa 5220

$9.31
Limited Time International Shipping Promo ̶$̶1̶3̶.̶9̶9̶ - $5 Flat FeeHigh-quality and reliable CMOS coin battery for your Acer Extensa 5220Acer Extensa 5220 CMOS coin batteries are the highest-quality lithium-ion batteries...
RTC CMOS Battery for Acer TravelMate 5720

RTC CMOS Battery for Acer TravelMate 5720

$9.31
Limited Time International Shipping Promo ̶$̶1̶3̶.̶9̶9̶ - $5 Flat FeeHigh-quality and reliable CMOS coin battery for your Acer TravelMate 5720Acer TravelMate 5720 CMOS coin batteries are the highest-quality lithium-ion batteries...
RTC CMOS Battery for Acer TravelMate 5320

RTC CMOS Battery for Acer TravelMate 5320

$9.31
Limited Time International Shipping Promo ̶$̶1̶3̶.̶9̶9̶ - $5 Flat FeeHigh-quality and reliable CMOS coin battery for your Acer TravelMate 5320Acer TravelMate 5320 CMOS coin batteries are the highest-quality lithium-ion batteries...
RTC CMOS Battery for Acer Extensa 5630

RTC CMOS Battery for Acer Extensa 5630

$9.31
Limited Time International Shipping Promo ̶$̶1̶3̶.̶9̶9̶ - $5 Flat FeeHigh-quality and reliable CMOS coin battery for your Acer Extensa 5630Acer Extensa 5630 CMOS coin batteries are the highest-quality lithium-ion batteries...
RTC CMOS Battery for Acer Extensa 4220

RTC CMOS Battery for Acer Extensa 4220

$9.31
Limited Time International Shipping Promo ̶$̶1̶3̶.̶9̶9̶ - $5 Flat FeeHigh-quality and reliable CMOS coin battery for your Acer Extensa 4220Acer Extensa 4220 CMOS coin batteries are the highest-quality lithium-ion batteries...
RTC CMOS Battery for Acer Extensa 5635

RTC CMOS Battery for Acer Extensa 5635

$9.31
Limited Time International Shipping Promo ̶$̶1̶3̶.̶9̶9̶ - $5 Flat FeeHigh-quality and reliable CMOS coin battery for your Acer Extensa 5635Acer Extensa 5635 CMOS coin 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.