CMOS Batteries

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RTC CMOS Battery for Lenovo IdeaPad G410

RTC CMOS Battery for Lenovo IdeaPad G410

$17.15
Limited Time International Shipping Promo ̶$̶1̶3̶.̶9̶9̶ - $5 Flat FeeHigh-quality and reliable CMOS battery for your Lenovo IdeaPad G410Lenovo IdeaPad G410 CMOS batteries are the highest-quality lithium-ion batteries on the...
RTC CMOS Battery for Lenovo IdeaPad G405

RTC CMOS Battery for Lenovo IdeaPad G405

$17.15
Limited Time International Shipping Promo ̶$̶1̶3̶.̶9̶9̶ - $5 Flat FeeHigh-quality and reliable CMOS battery for your Lenovo IdeaPad G405Lenovo IdeaPad G405 CMOS batteries are the highest-quality lithium-ion batteries on the...
RTC CMOS Battery for Lenovo IdeaPad G400

RTC CMOS Battery for Lenovo IdeaPad G400

$17.15
Limited Time International Shipping Promo ̶$̶1̶3̶.̶9̶9̶ - $5 Flat FeeHigh-quality and reliable CMOS battery for your Lenovo IdeaPad G400Lenovo IdeaPad G400 CMOS batteries are the highest-quality lithium-ion batteries on the...
RTC CMOS Battery for Lenovo IdeaPad B450

RTC CMOS Battery for Lenovo IdeaPad B450

$17.15
Limited Time International Shipping Promo ̶$̶1̶3̶.̶9̶9̶ - $5 Flat FeeHigh-quality and reliable CMOS battery for your Lenovo IdeaPad B450Lenovo IdeaPad B450 CMOS batteries are the highest-quality lithium-ion batteries on the...
RTC CMOS Battery for Lenovo IdeaPad 330-15IKB (Type 81DE)

RTC CMOS Battery for Lenovo IdeaPad 330-15IKB (Type 81DE)

$17.15
Limited Time International Shipping Promo ̶$̶1̶3̶.̶9̶9̶ - $5 Flat FeeHigh-quality and reliable CMOS battery for your Lenovo IdeaPad 330-15IKB (Type 81DE)Lenovo IdeaPad 330-15IKB (Type 81DE) CMOS batteries are the highest-quality...
RTC CMOS Battery for Lenovo Flex 4-1480

RTC CMOS Battery for Lenovo Flex 4-1480

$17.15
Limited Time International Shipping Promo ̶$̶1̶3̶.̶9̶9̶ - $5 Flat FeeHigh-quality and reliable CMOS battery for your Lenovo Flex 4-1480Lenovo Flex 4-1480 CMOS batteries are the highest-quality lithium-ion batteries on the...
RTC CMOS Battery For HP ProBook 5310m

RTC CMOS Battery For HP ProBook 5310m

$17.15
Limited Time International Shipping Promo ̶$̶1̶3̶.̶9̶9̶ - $5 Flat FeeHigh quality and reliable CMOS battery for HP ProBook 5310m Rome Tech CMOS batteries for HP ProBook 5310m are the highest...
RTC CMOS Battery for HP Pavilion DV9000

RTC CMOS Battery for HP Pavilion DV9000

$17.15
Limited Time International Shipping Promo ̶$̶1̶3̶.̶9̶9̶ - $5 Flat FeeHigh-quality and reliable CMOS battery for your HP Pavilion DV9000HP Pavilion DV9000 CMOS batteries are the highest-quality lithium-ion batteries on the...
RTC CMOS Battery for HP Probook 6470b

RTC CMOS Battery for HP Probook 6470b

$17.15
Limited Time International Shipping Promo ̶$̶1̶3̶.̶9̶9̶ - $5 Flat FeeHigh-quality and reliable CMOS battery for your HP Probook 6470bHP Probook 6470b CMOS batteries are the highest-quality lithium-ion batteries on the...
RTC CMOS Battery for HP Pavilion dv4 Series

RTC CMOS Battery for HP Pavilion dv4 Series

$17.15
Limited Time International Shipping Promo ̶$̶1̶3̶.̶9̶9̶ - $5 Flat FeeHigh-quality and reliable CMOS battery for your HP Pavilion dv4 SeriesHP Pavilion dv4 Series CMOS batteries are the highest-quality lithium-ion batteries...
RTC CMOS Battery For HP Pavilion dv3600

RTC CMOS Battery For HP Pavilion dv3600

$17.15
Limited Time International Shipping Promo ̶$̶1̶3̶.̶9̶9̶ - $5 Flat FeeHigh quality and reliable CMOS battery for your HP Pavilion dv3600 Rome Tech CMOS batteries for HP Pavilion dv3600 are the...
RTC CMOS Battery for HP Envy DV6-7202TU

RTC CMOS Battery for HP Envy DV6-7202TU

$17.15
Limited Time International Shipping Promo ̶$̶1̶3̶.̶9̶9̶ - $5 Flat FeeHigh-quality and reliable CMOS battery for your HP Envy DV6-7202TUHP Envy DV6-7202TU 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.