CMOS Batteries

Sort by:
Maxell LR44 1.5V Alkaline Coin CMOS Battery (Retail Package)

Maxell LR44 1.5V Alkaline Coin CMOS Battery (Retail Package)

$2.99 – $119.99
Limited Time International Shipping Promo ̶$̶1̶3̶.̶9̶9̶ - $5 Flat Fee High grade Maxell brand, Japanese quality and performance. Alkaline High Drain Button Cell Battery, 1.5 Nominal Voltage. High Capacity 110mAh,...
RTC CMOS Battery for Amiko LX800 Linux

RTC CMOS Battery for Amiko LX800 Linux

$10.99
Limited Time International Shipping Promo ̶$̶1̶3̶.̶9̶9̶ - $5 Flat FeeHigh-quality and reliable CMOS battery for your Amiko LX800 LinuxAmiko LX800 Linux CMOS batteries are the highest-quality lithium-ion batteries on the...
RTC CMOS Battery for Hurco CNC Machine

RTC CMOS Battery for Hurco CNC Machine

$10.99
Limited Time International Shipping Promo ̶$̶1̶3̶.̶9̶9̶ - $5 Flat FeeHigh-quality and reliable CMOS battery for your Hurco CNC MachineHurco CNC Machine CMOS batteries are the highest-quality lithium-ion batteries on the...
RTC CMOS Battery for Sony VAIO PCG-5K2M

RTC CMOS Battery for Sony VAIO PCG-5K2M

$10.99
Limited Time International Shipping Promo ̶$̶1̶3̶.̶9̶9̶ - $5 Flat FeeHigh-quality and reliable CMOS battery for your Sony VAIO PCG-5K2MSony VAIO PCG-5K2M CMOS batteries are the highest-quality lithium-ion batteries on the...
RTC CMOS Battery for Sony PCG-4A7P Motherboard

RTC CMOS Battery for Sony PCG-4A7P Motherboard

$10.99
Limited Time International Shipping Promo ̶$̶1̶3̶.̶9̶9̶ - $5 Flat FeeHigh-quality and reliable CMOS battery for your Sony PCG-4A7P MotherboardSony PCG-4A7P Motherboard CMOS batteries are the highest-quality lithium-ion batteries on the...
RTC CMOS Battery for Samsung ATIV Book 9

RTC CMOS Battery for Samsung ATIV Book 9

$10.99
Limited Time International Shipping Promo ̶$̶1̶3̶.̶9̶9̶ - $5 Flat FeeHigh-quality and reliable CMOS battery for your Samsung ATIV Book 9Samsung ATIV Book 9 CMOS batteries are the highest-quality lithium-ion batteries...
RTC CMOS Battery for Samsung ATIV Book 8

RTC CMOS Battery for Samsung ATIV Book 8

$10.99
Limited Time International Shipping Promo ̶$̶1̶3̶.̶9̶9̶ - $5 Flat FeeHigh-quality and reliable CMOS battery for your Samsung ATIV Book 8Samsung ATIV Book 8 CMOS batteries are the highest-quality lithium-ion batteries...
RTC CMOS Battery for Samsung Series 7 Chronos 700Z3C

RTC CMOS Battery for Samsung Series 7 Chronos 700Z3C

$10.99
Limited Time International Shipping Promo ̶$̶1̶3̶.̶9̶9̶ - $5 Flat FeeHigh-quality and reliable CMOS battery for your Samsung Series 7 Chronos 700Z3CSamsung Series 7 Chronos 700Z3C CMOS batteries are the highest-quality...
RTC CMOS Battery for Samsung Series 7 Chronos 700z

RTC CMOS Battery for Samsung Series 7 Chronos 700z

$10.99
Limited Time International Shipping Promo ̶$̶1̶3̶.̶9̶9̶ - $5 Flat FeeHigh-quality and reliable CMOS battery for your Samsung Series 7 Chronos 700zSamsung Series 7 Chronos 700z CMOS batteries are the highest-quality...
RTC CMOS Battery for MSI GP60 2PE Leopard

RTC CMOS Battery for MSI GP60 2PE Leopard

$10.99
Limited Time International Shipping Promo ̶$̶1̶3̶.̶9̶9̶ - $5 Flat FeeHigh-quality and reliable CMOS battery for your MSI GP60 2PE LeopardMSI GP60 2PE Leopard CMOS batteries are the highest-quality lithium-ion batteries...
RTC CMOS Battery for MSI GE63 Raider RGB 8RE

RTC CMOS Battery for MSI GE63 Raider RGB 8RE

$10.99
Limited Time International Shipping Promo ̶$̶1̶3̶.̶9̶9̶ - $5 Flat FeeHigh-quality and reliable CMOS battery for your MSI GE63 Raider RGB 8REMSI GE63 Raider RGB 8RE CMOS batteries are the highest-quality...
RTC CMOS Battery for Lenovo Legion Y740-15IRHg

RTC CMOS Battery for Lenovo Legion Y740-15IRHg

$10.99
Limited Time International Shipping Promo ̶$̶1̶3̶.̶9̶9̶ - $5 Flat FeeHigh-quality and reliable CMOS battery for your Lenovo Legion Y740-15IRHgLenovo Legion Y740-15IRHg 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.