CMOS Batteries

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RTC CMOS Battery for Lenovo V Series V310-15ISK

RTC CMOS Battery for Lenovo V Series V310-15ISK

$8.47
Limited Time International Shipping Promo ̶$̶1̶3̶.̶9̶9̶ - $5 Flat FeeHigh-quality and reliable CMOS coin battery for your Lenovo V Series V310-15ISKLenovo V Series V310-15ISK CMOS coin batteries are the highest-quality...
RTC CMOS Battery for Lenovo IdeaPad 1-11ADA05

RTC CMOS Battery for Lenovo IdeaPad 1-11ADA05

$8.47
Limited Time International Shipping Promo ̶$̶1̶3̶.̶9̶9̶ - $5 Flat FeeHigh-quality and reliable CMOS coin battery for your Lenovo IdeaPad 1-11ADA05Lenovo IdeaPad 1-11ADA05 CMOS coin batteries are the highest-quality lithium-ion batteries...
RTC CMOS Battery for Lenovo IdeaPad 1-14ADA05

RTC CMOS Battery for Lenovo IdeaPad 1-14ADA05

$8.47
Limited Time International Shipping Promo ̶$̶1̶3̶.̶9̶9̶ - $5 Flat FeeHigh-quality and reliable CMOS coin battery for your Lenovo IdeaPad 1-14ADA05Lenovo IdeaPad 1-14ADA05 CMOS coin batteries are the highest-quality lithium-ion batteries...
RTC CMOS Battery for Lenovo V Series V310-15IKB

RTC CMOS Battery for Lenovo V Series V310-15IKB

$8.47
Limited Time International Shipping Promo ̶$̶1̶3̶.̶9̶9̶ - $5 Flat FeeHigh-quality and reliable CMOS coin battery for your Lenovo V Series V310-15IKBLenovo V Series V310-15IKB CMOS coin batteries are the highest-quality...
RTC CMOS Battery for Toshiba Satellite A665D

RTC CMOS Battery for Toshiba Satellite A665D

$9.89
Limited Time International Shipping Promo ̶$̶1̶3̶.̶9̶9̶ - $5 Flat FeeHigh-quality and reliable CMOS coin battery for your Toshiba Satellite A665DToshiba Satellite A665D CMOS coin batteries are the highest-quality lithium-ion batteries...
RTC CMOS Battery for Toshiba Satellite L355

RTC CMOS Battery for Toshiba Satellite L355

$11.30
Limited Time International Shipping Promo ̶$̶1̶3̶.̶9̶9̶ - $5 Flat FeeHigh-quality and reliable CMOS coin battery for your Toshiba Satellite L355Toshiba Satellite L355 CMOS coin batteries are the highest-quality lithium-ion batteries...
RTC CMOS Battery for Toshiba Satellite L355D

RTC CMOS Battery for Toshiba Satellite L355D

$11.30
Limited Time International Shipping Promo ̶$̶1̶3̶.̶9̶9̶ - $5 Flat FeeHigh-quality and reliable CMOS coin battery for your Toshiba Satellite L355DToshiba Satellite L355D CMOS coin batteries are the highest-quality lithium-ion batteries...
RTC CMOS Battery for ASUS B53J-SO071X

RTC CMOS Battery for ASUS B53J-SO071X

$8.47
Limited Time International Shipping Promo ̶$̶1̶3̶.̶9̶9̶ - $5 Flat FeeHigh-quality and reliable CMOS coin battery for your ASUS B53J-SO071XASUS B53J-SO071X CMOS coin batteries are the highest-quality lithium-ion batteries on the...
RTC CMOS Battery for ASUS F550L

RTC CMOS Battery for ASUS F550L

$8.47
Limited Time International Shipping Promo ̶$̶1̶3̶.̶9̶9̶ - $5 Flat FeeHigh-quality and reliable CMOS coin battery for your ASUS F550LASUS F550L CMOS coin batteries are the highest-quality lithium-ion batteries on the...
RTC CMOS Battery for ASUS X551M

RTC CMOS Battery for ASUS X551M

$8.47
Limited Time International Shipping Promo ̶$̶1̶3̶.̶9̶9̶ - $5 Flat FeeHigh-quality and reliable CMOS coin battery for your ASUS X551MASUS X551M CMOS coin batteries are the highest-quality lithium-ion batteries on the...
RTC CMOS Battery for ASUS G771J

RTC CMOS Battery for ASUS G771J

$8.47
Limited Time International Shipping Promo ̶$̶1̶3̶.̶9̶9̶ - $5 Flat FeeHigh-quality and reliable CMOS coin battery for your ASUS G771JASUS G771J CMOS coin batteries are the highest-quality lithium-ion batteries on the...
RTC CMOS Battery for ASUS X72D

RTC CMOS Battery for ASUS X72D

$8.47
Limited Time International Shipping Promo ̶$̶1̶3̶.̶9̶9̶ - $5 Flat FeeHigh-quality and reliable CMOS coin battery for your ASUS X72DASUS X72D CMOS coin 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.