CMOS Batteries

Sort by:
RTC CMOS Battery for Lenovo IdeaPad Y910-17ISK

RTC CMOS Battery for Lenovo IdeaPad Y910-17ISK

$10.99
Limited Time International Shipping Promo ̶$̶1̶3̶.̶9̶9̶ - $5 Flat FeeHigh-quality and reliable CMOS battery for your Lenovo IdeaPad Y910-17ISKLenovo IdeaPad Y910-17ISK CMOS batteries are the highest-quality lithium-ion batteries on the...
RTC CMOS Battery for Lenovo IdeaPad Gaming 3 15IHU6

RTC CMOS Battery for Lenovo IdeaPad Gaming 3 15IHU6

$10.99
Limited Time International Shipping Promo ̶$̶1̶3̶.̶9̶9̶ - $5 Flat FeeHigh-quality and reliable CMOS battery for your Lenovo IdeaPad Gaming 3 15IHU6Lenovo IdeaPad Gaming 3 15IHU6 CMOS batteries are the highest-quality...
RTC CMOS Battery for Lenovo IdeaPad 520-15IKB (Type 81BF)

RTC CMOS Battery for Lenovo IdeaPad 520-15IKB (Type 81BF)

$10.99
Limited Time International Shipping Promo ̶$̶1̶3̶.̶9̶9̶ - $5 Flat FeeHigh-quality and reliable CMOS battery for your Lenovo IdeaPad 520-15IKB (Type 81BF)Lenovo IdeaPad 520-15IKB (Type 81BF) CMOS batteries are the highest-quality...
RTC CMOS Battery for Lenovo IdeaPad 520-15IKB (Type 80YL)

RTC CMOS Battery for Lenovo IdeaPad 520-15IKB (Type 80YL)

$10.99
Limited Time International Shipping Promo ̶$̶1̶3̶.̶9̶9̶ - $5 Flat FeeHigh-quality and reliable CMOS battery for your Lenovo IdeaPad 520-15IKB (Type 80YL)Lenovo IdeaPad 520-15IKB (Type 80YL) CMOS batteries are the highest-quality...
RTC CMOS Battery for Lenovo IdeaPad 330 Touch-15IKB

RTC CMOS Battery for Lenovo IdeaPad 330 Touch-15IKB

$10.99
Limited Time International Shipping Promo ̶$̶1̶3̶.̶9̶9̶ - $5 Flat FeeHigh-quality and reliable CMOS battery for your Lenovo IdeaPad 330 Touch-15IKBLenovo IdeaPad 330 Touch-15IKB CMOS batteries are the highest-quality lithium-ion batteries...
RTC CMOS Battery for Lenovo IdeaPad Creator 5-15IMH05

RTC CMOS Battery for Lenovo IdeaPad Creator 5-15IMH05

$10.99
Limited Time International Shipping Promo ̶$̶1̶3̶.̶9̶9̶ - $5 Flat FeeHigh-quality and reliable CMOS battery for your Lenovo IdeaPad Creator 5-15IMH05Lenovo IdeaPad Creator 5-15IMH05 CMOS batteries are the highest-quality lithium-ion batteries...
RTC CMOS Battery for Lenovo IdeaPad 330 Touch-15ARR

RTC CMOS Battery for Lenovo IdeaPad 330 Touch-15ARR

$10.99
Limited Time International Shipping Promo ̶$̶1̶3̶.̶9̶9̶ - $5 Flat FeeHigh-quality and reliable CMOS battery for your Lenovo IdeaPad 330 Touch-15ARRLenovo IdeaPad 330 Touch-15ARR CMOS batteries are the highest-quality lithium-ion batteries...
RTC CMOS Battery for Lenovo IdeaPad 320-15IKB (Type 81BG, 81BT)

RTC CMOS Battery for Lenovo IdeaPad 320-15IKB (Type 81BG, 81BT)

$10.99
Limited Time International Shipping Promo ̶$̶1̶3̶.̶9̶9̶ - $5 Flat FeeHigh-quality and reliable CMOS battery for your Lenovo IdeaPad 320-15IKB (Type 81BG, 81BT)Lenovo IdeaPad 320-15IKB (Type 81BG, 81BT) CMOS batteries are...
RTC CMOS Battery for Lenovo IdeaPad 330-17IKB

RTC CMOS Battery for Lenovo IdeaPad 330-17IKB

$10.99
Limited Time International Shipping Promo ̶$̶1̶3̶.̶9̶9̶ - $5 Flat FeeHigh-quality and reliable CMOS battery for your Lenovo IdeaPad 330-17IKBLenovo IdeaPad 330-17IKB CMOS batteries are the highest-quality lithium-ion batteries on the...
RTC CMOS Battery for Lenovo IdeaPad 1-15ADA7

RTC CMOS Battery for Lenovo IdeaPad 1-15ADA7

$10.99
Limited Time International Shipping Promo ̶$̶1̶3̶.̶9̶9̶ - $5 Flat FeeHigh-quality and reliable CMOS battery for your Lenovo IdeaPad 1-15ADA7Lenovo IdeaPad 1-15ADA7 CMOS batteries are the highest-quality lithium-ion batteries on the...
RTC CMOS Battery for Lenovo IdeaPad 310S-14ISK

RTC CMOS Battery for Lenovo IdeaPad 310S-14ISK

$10.99
Limited Time International Shipping Promo ̶$̶1̶3̶.̶9̶9̶ - $5 Flat FeeHigh-quality and reliable CMOS battery for your Lenovo IdeaPad 310S-14ISKLenovo IdeaPad 310S-14ISK CMOS batteries are the highest-quality lithium-ion batteries on the...
RTC CMOS Battery for Lenovo Flex 4-1470

RTC CMOS Battery for Lenovo Flex 4-1470

$10.99
Limited Time International Shipping Promo ̶$̶1̶3̶.̶9̶9̶ - $5 Flat FeeHigh-quality and reliable CMOS battery for your Lenovo Flex 4-1470Lenovo Flex 4-1470 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.