CMOS Batteries

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RTC CMOS Battery for Lenovo ThinkPad Edge E520

RTC CMOS Battery for Lenovo ThinkPad Edge E520

$17.04
Limited Time International Shipping Promo ̶$̶1̶3̶.̶9̶9̶ - $5 Flat FeeHigh-quality and reliable CMOS battery for your Lenovo ThinkPad Edge E520Lenovo ThinkPad Edge E520 CMOS batteries are the highest-quality lithium-ion batteries...
RTC CMOS Battery for Lenovo IdeaPad Z60M

RTC CMOS Battery for Lenovo IdeaPad Z60M

$17.04
Limited Time International Shipping Promo ̶$̶1̶3̶.̶9̶9̶ - $5 Flat FeeHigh-quality and reliable CMOS battery for your Lenovo IdeaPad Z60MLenovo IdeaPad Z60M CMOS batteries are the highest-quality lithium-ion batteries on the...
RTC CMOS Battery for Lenovo IdeaPad S340

RTC CMOS Battery for Lenovo IdeaPad S340

$17.04
Limited Time International Shipping Promo ̶$̶1̶3̶.̶9̶9̶ - $5 Flat FeeHigh-quality and reliable CMOS battery for your Lenovo IdeaPad S340Lenovo IdeaPad S340 CMOS batteries are the highest-quality lithium-ion batteries on the...
RTC CMOS Battery for Lenovo Legion Y545

RTC CMOS Battery for Lenovo Legion Y545

$17.04
Limited Time International Shipping Promo ̶$̶1̶3̶.̶9̶9̶ - $5 Flat FeeHigh-quality and reliable CMOS battery for your Lenovo Legion Y545Lenovo Legion Y545 CMOS batteries are the highest-quality lithium-ion batteries on the...
RTC CMOS Battery for Lenovo IdeaPad G510

RTC CMOS Battery for Lenovo IdeaPad G510

$17.04
Limited Time International Shipping Promo ̶$̶1̶3̶.̶9̶9̶ - $5 Flat FeeHigh-quality and reliable CMOS battery for your Lenovo IdeaPad G510Lenovo IdeaPad G510 CMOS batteries are the highest-quality lithium-ion batteries on the...
RTC CMOS Battery for Lenovo IdeaPad B570

RTC CMOS Battery for Lenovo IdeaPad B570

$17.04
Limited Time International Shipping Promo ̶$̶1̶3̶.̶9̶9̶ - $5 Flat FeeHigh-quality and reliable CMOS battery for your Lenovo IdeaPad B570Lenovo IdeaPad B570 CMOS batteries are the highest-quality lithium-ion batteries on the...
RTC CMOS Battery for Lenovo IdeaPad 330-15IKB

RTC CMOS Battery for Lenovo IdeaPad 330-15IKB

$17.04
Limited Time International Shipping Promo ̶$̶1̶3̶.̶9̶9̶ - $5 Flat FeeHigh-quality and reliable CMOS battery for your Lenovo IdeaPad 330-15IKBLenovo IdeaPad 330-15IKB CMOS batteries are the highest-quality lithium-ion batteries on the...
RTC CMOS Battery for Lenovo Flex 5-1570

RTC CMOS Battery for Lenovo Flex 5-1570

$17.04
Limited Time International Shipping Promo ̶$̶1̶3̶.̶9̶9̶ - $5 Flat FeeHigh-quality and reliable CMOS battery for your Lenovo Flex 5-1570Lenovo Flex 5-1570 CMOS batteries are the highest-quality lithium-ion batteries on the...
RTC CMOS Battery for HP ZBook Studio G3

RTC CMOS Battery for HP ZBook Studio G3

$17.04
Limited Time International Shipping Promo ̶$̶1̶3̶.̶9̶9̶ - $5 Flat FeeHigh-quality and reliable CMOS battery for your HP ZBook Studio G3HP ZBook Studio G3 CMOS batteries are the highest-quality lithium-ion batteries...
RTC CMOS Battery For HP Probook 6460b

RTC CMOS Battery For HP Probook 6460b

$17.04
Limited Time International Shipping Promo ̶$̶1̶3̶.̶9̶9̶ - $5 Flat FeeHigh quality and reliable CMOS battery for HP Probook 6460b Rome Tech CMOS batteries for HP Probook 6460b are the highest...
RTC CMOS Battery For HP Probook 6570b

RTC CMOS Battery For HP Probook 6570b

$17.04
Limited Time International Shipping Promo ̶$̶1̶3̶.̶9̶9̶ - $5 Flat FeeHigh quality and reliable CMOS battery for HP Probook 6570b Rome Tech CMOS batteries for HP Probook 6570b are the highest...
RTC CMOS Battery for HP Pavilion DV6000

RTC CMOS Battery for HP Pavilion DV6000

$17.04
Limited Time International Shipping Promo ̶$̶1̶3̶.̶9̶9̶ - $5 Flat FeeHigh-quality and reliable CMOS battery for your HP Pavilion DV6000HP Pavilion DV6000 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.