CMOS Batteries

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RTC CMOS Battery for Acer Aspire 3 A315-58

RTC CMOS Battery for Acer Aspire 3 A315-58

$17.16
Limited Time International Shipping Promo ̶$̶1̶3̶.̶9̶9̶ - $5 Flat FeeHigh-quality and reliable CMOS battery for your RTC CMOS Battery for Acer Aspire 3 A315-58RTC CMOS Battery for Acer Aspire 3...
RTC CMOS Battery for ASUS X401U

RTC CMOS Battery for ASUS X401U

$17.16
Limited Time International Shipping Promo ̶$̶1̶3̶.̶9̶9̶ - $5 Flat FeeHigh-quality and reliable CMOS battery for your ASUS X401UASUS X401U CMOS batteries are the highest-quality lithium-ion batteries on the market. High...
RTC CMOS Battery for Panasonic Toughbook CF-53 MK4

RTC CMOS Battery for Panasonic Toughbook CF-53 MK4

$17.16
Limited Time International Shipping Promo ̶$̶1̶3̶.̶9̶9̶ - $5 Flat FeeHigh-quality and reliable CMOS battery for your Panasonic Toughbook CF-53 MK4Panasonic Toughbook CF-53 MK4 CMOS batteries are the highest-quality lithium-ion batteries...
RTC CMOS Battery for MSI MS-16F41

RTC CMOS Battery for MSI MS-16F41

$17.16
Limited Time International Shipping Promo ̶$̶1̶3̶.̶9̶9̶ - $5 Flat FeeHigh-quality and reliable CMOS battery for your MSI MS-16F41MSI MS-16F41 CMOS batteries are the highest-quality lithium-ion batteries on the market. High...
RTC CMOS Battery for MSI MS-1763

RTC CMOS Battery for MSI MS-1763

$17.16
Limited Time International Shipping Promo ̶$̶1̶3̶.̶9̶9̶ - $5 Flat FeeHigh-quality and reliable CMOS battery for your MSI MS-1763MSI MS-1763 CMOS batteries are the highest-quality lithium-ion batteries on the market. High...
RTC CMOS Battery for MSI GT80

RTC CMOS Battery for MSI GT80

$17.16
Limited Time International Shipping Promo ̶$̶1̶3̶.̶9̶9̶ - $5 Flat FeeHigh-quality and reliable CMOS battery for your MSI GT80MSI GT80 CMOS batteries are the highest-quality lithium-ion batteries on the market. High...
RTC CMOS Battery for HP Pavilion dv7-6101sa

RTC CMOS Battery for HP Pavilion dv7-6101sa

$17.16
Limited Time International Shipping Promo ̶$̶1̶3̶.̶9̶9̶ - $5 Flat FeeHigh-quality and reliable CMOS battery for your HP Pavilion dv7-6101saHP Pavilion dv7-6101sa CMOS batteries are the highest-quality lithium-ion batteries on the...
RTC CMOS Battery for HP ENVY 27-b100 AIO

RTC CMOS Battery for HP ENVY 27-b100 AIO

$17.16
Limited Time International Shipping Promo ̶$̶1̶3̶.̶9̶9̶ - $5 Flat FeeHigh-quality and reliable CMOS battery for your HP ENVY 27-b100 AIOHP ENVY 27-b100 AIO CMOS batteries are the highest-quality lithium-ion batteries...
RTC CMOS Battery for HP EliteBook 8440p

RTC CMOS Battery for HP EliteBook 8440p

$17.16
Limited Time International Shipping Promo ̶$̶1̶3̶.̶9̶9̶ - $5 Flat FeeHigh-quality and reliable CMOS battery for your HP EliteBook 8440pHP EliteBook 8440p CMOS batteries are the highest-quality lithium-ion batteries on the...
RTC CMOS Battery for Panasonic Toughbook CF-31

RTC CMOS Battery for Panasonic Toughbook CF-31

$17.16
Limited Time International Shipping Promo ̶$̶1̶3̶.̶9̶9̶ - $5 Flat FeeHigh-quality and reliable CMOS battery for your Panasonic Toughbook CF-31Panasonic Toughbook CF-31 CMOS batteries are the highest-quality lithium-ion batteries on the...
RTC CMOS Battery for Panasonic Toughbook CF-28

RTC CMOS Battery for Panasonic Toughbook CF-28

$17.16
Limited Time International Shipping Promo ̶$̶1̶3̶.̶9̶9̶ - $5 Flat FeeHigh-quality and reliable CMOS battery for your Panasonic Toughbook CF-28Panasonic Toughbook CF-28 CMOS batteries are the highest-quality lithium-ion batteries on the...
RTC CMOS Battery for Lenovo Yoga 7 14IAL7

RTC CMOS Battery for Lenovo Yoga 7 14IAL7

$17.16
Limited Time International Shipping Promo ̶$̶1̶3̶.̶9̶9̶ - $5 Flat FeeHigh-quality and reliable CMOS battery for your Lenovo Yoga 7 14IAL7Lenovo Yoga 7 14IAL7 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.