CMOS Batteries

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RTC CMOS Battery for Acer TravelMate 630

RTC CMOS Battery for Acer TravelMate 630

$15.57
Limited Time International Shipping Promo ̶$̶1̶3̶.̶9̶9̶ - $5 Flat FeeHigh-quality and reliable CMOS battery for your Acer TravelMate 630Acer TravelMate 630 CMOS batteries are the highest-quality lithium-ion batteries on the...
RTC CMOS Battery for Acer TravelMate 4002LCi

RTC CMOS Battery for Acer TravelMate 4002LCi

$15.57
Limited Time International Shipping Promo ̶$̶1̶3̶.̶9̶9̶ - $5 Flat FeeHigh-quality and reliable CMOS battery for your Acer TravelMate 4002LCiAcer TravelMate 4002LCi CMOS batteries are the highest-quality lithium-ion batteries on the...
RTC CMOS Battery for Acer Spin 1 SP111-31

RTC CMOS Battery for Acer Spin 1 SP111-31

$15.57
Limited Time International Shipping Promo ̶$̶1̶3̶.̶9̶9̶ - $5 Flat FeeHigh-quality and reliable CMOS battery for your Acer Spin 1 SP111-31Acer Spin 1 SP111-31 CMOS batteries are the highest-quality lithium-ion batteries...
RTC CMOS Battery for Acer TravelMate 2303LCi

RTC CMOS Battery for Acer TravelMate 2303LCi

$15.57
Limited Time International Shipping Promo ̶$̶1̶3̶.̶9̶9̶ - $5 Flat FeeHigh-quality and reliable CMOS battery for your Acer TravelMate 2303LCiAcer TravelMate 2303LCi CMOS batteries are the highest-quality lithium-ion batteries on the...
RTC CMOS Battery for Acer Aspire Timeline 3410

RTC CMOS Battery for Acer Aspire Timeline 3410

$15.57
Limited Time International Shipping Promo ̶$̶1̶3̶.̶9̶9̶ - $5 Flat FeeHigh-quality and reliable CMOS battery for your Acer Aspire Timeline 3410Acer Aspire Timeline 3410 CMOS batteries are the highest-quality lithium-ion batteries...
RTC CMOS Battery for Acer Aspire 9800

RTC CMOS Battery for Acer Aspire 9800

$15.57
Limited Time International Shipping Promo ̶$̶1̶3̶.̶9̶9̶ - $5 Flat FeeHigh-quality and reliable CMOS battery for your Acer Aspire 9800Acer Aspire 9800 CMOS batteries are the highest-quality lithium-ion batteries on the...
RTC CMOS Battery for Acer Aspire 9420

RTC CMOS Battery for Acer Aspire 9420

$15.57
Limited Time International Shipping Promo ̶$̶1̶3̶.̶9̶9̶ - $5 Flat FeeHigh-quality and reliable CMOS battery for your Acer Aspire 9420Acer Aspire 9420 CMOS batteries are the highest-quality lithium-ion batteries on the...
RTC CMOS Battery for Acer Aspire Timeline 3810TZ

RTC CMOS Battery for Acer Aspire Timeline 3810TZ

$15.57
Limited Time International Shipping Promo ̶$̶1̶3̶.̶9̶9̶ - $5 Flat FeeHigh-quality and reliable CMOS battery for your Acer Aspire Timeline 3810TZAcer Aspire Timeline 3810TZ CMOS batteries are the highest-quality lithium-ion batteries...
RTC CMOS Battery for Acer Aspire Timeline 3810T

RTC CMOS Battery for Acer Aspire Timeline 3810T

$15.57
Limited Time International Shipping Promo ̶$̶1̶3̶.̶9̶9̶ - $5 Flat FeeHigh-quality and reliable CMOS battery for your Acer Aspire Timeline 3810TAcer Aspire Timeline 3810T CMOS batteries are the highest-quality lithium-ion batteries...
RTC CMOS Battery for Acer Aspire 8930G

RTC CMOS Battery for Acer Aspire 8930G

$15.57
Limited Time International Shipping Promo ̶$̶1̶3̶.̶9̶9̶ - $5 Flat FeeHigh-quality and reliable CMOS battery for your Acer Aspire 8930GAcer Aspire 8930G CMOS batteries are the highest-quality lithium-ion batteries on the...
RTC CMOS Battery for Acer Aspire 8930

RTC CMOS Battery for Acer Aspire 8930

$15.57
Limited Time International Shipping Promo ̶$̶1̶3̶.̶9̶9̶ - $5 Flat FeeHigh-quality and reliable CMOS battery for your Acer Aspire 8930Acer Aspire 8930 CMOS batteries are the highest-quality lithium-ion batteries on the...
RTC CMOS Battery for Acer Aspire 8920G

RTC CMOS Battery for Acer Aspire 8920G

$15.57
Limited Time International Shipping Promo ̶$̶1̶3̶.̶9̶9̶ - $5 Flat FeeHigh-quality and reliable CMOS battery for your Acer Aspire 8920GAcer Aspire 8920G 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.