CMOS Batteries

Sort by:
RTC CMOS Battery for Lenovo IdeaPad 3-14ADA05

RTC CMOS Battery for Lenovo IdeaPad 3-14ADA05

$17.08
Limited Time International Shipping Promo ̶$̶1̶3̶.̶9̶9̶ - $5 Flat FeeHigh-quality and reliable CMOS battery for your Lenovo IdeaPad 3-14ADA05Lenovo IdeaPad 3-14ADA05 CMOS batteries are the highest-quality lithium-ion batteries on the...
RTC CMOS Battery for Lenovo IdeaPad 330S-15IKB

RTC CMOS Battery for Lenovo IdeaPad 330S-15IKB

$17.08
Limited Time International Shipping Promo ̶$̶1̶3̶.̶9̶9̶ - $5 Flat FeeHigh-quality and reliable CMOS battery for your Lenovo IdeaPad 330S-15IKBLenovo IdeaPad 330S-15IKB CMOS batteries are the highest-quality lithium-ion batteries on the...
RTC CMOS Battery for Lenovo IdeaPad 320-15IKB

RTC CMOS Battery for Lenovo IdeaPad 320-15IKB

$17.08
Limited Time International Shipping Promo ̶$̶1̶3̶.̶9̶9̶ - $5 Flat FeeHigh-quality and reliable CMOS battery for your Lenovo IdeaPad 320-15IKBLenovo IdeaPad 320-15IKB CMOS batteries are the highest-quality lithium-ion batteries on the...
RTC CMOS Battery for Lenovo IdeaPad 300e Winbook

RTC CMOS Battery for Lenovo IdeaPad 300e Winbook

$17.08
Limited Time International Shipping Promo ̶$̶1̶3̶.̶9̶9̶ - $5 Flat FeeHigh-quality and reliable CMOS battery for your Lenovo IdeaPad 300e WinbookLenovo IdeaPad 300e Winbook CMOS batteries are the highest-quality lithium-ion batteries...
RTC CMOS Battery for Lenovo IdeaPad 130-15AST

RTC CMOS Battery for Lenovo IdeaPad 130-15AST

$17.08
Limited Time International Shipping Promo ̶$̶1̶3̶.̶9̶9̶ - $5 Flat FeeHigh-quality and reliable CMOS battery for your Lenovo IdeaPad 130-15ASTLenovo IdeaPad 130-15AST CMOS batteries are the highest-quality lithium-ion batteries on the...
RTC CMOS Battery for ASUS Q302L

RTC CMOS Battery for ASUS Q302L

$17.08
Limited Time International Shipping Promo ̶$̶1̶3̶.̶9̶9̶ - $5 Flat FeeHigh-quality and reliable CMOS battery for your ASUS Q302LASUS Q302L CMOS batteries are the highest-quality lithium-ion batteries on the market. High...
Toshiba CR2025 3V Lithium Coin CMOS Battery (Retail Package)

Toshiba CR2025 3V Lithium Coin CMOS Battery (Retail Package)

$3.87 – $108.77
Limited Time International Shipping Promo ̶$̶1̶3̶.̶9̶9̶ - $5 Flat Fee High grade Toshiba brand, Japanese quality and performance. Lithium Manganese-Dioxide Coin Cell Battery, 3.0 Nominal Voltage. High Capacity 150mAh, Diameter...
RTC CMOS Battery for HP ENVY 27-b235t

RTC CMOS Battery for HP ENVY 27-b235t

$17.08
Limited Time International Shipping Promo ̶$̶1̶3̶.̶9̶9̶ - $5 Flat FeeHigh quality and reliable CMOS battery for your HP ENVY 27-b235t Rome Tech CMOS batteries for HP ENVY 27-b235t are the...
RTC CMOS Battery for Lenovo ThinkPad T15p Gen 2 (Type 21A7, 21A8)

RTC CMOS Battery for Lenovo ThinkPad T15p Gen 2 (Type 21A7, 21A8)

$17.08
Limited Time International Shipping Promo ̶$̶1̶3̶.̶9̶9̶ - $5 Flat FeeHigh-quality and reliable CMOS battery for your Lenovo ThinkPad T15p Gen 2 (Type 21A7, 21A8)Lenovo ThinkPad T15p Gen 2 (Type 21A7,...
RTC CMOS Battery for Lenovo ThinkPad P15 Gen 1 (Type 20ST, 20SU)

RTC CMOS Battery for Lenovo ThinkPad P15 Gen 1 (Type 20ST, 20SU)

$17.08
Limited Time International Shipping Promo ̶$̶1̶3̶.̶9̶9̶ - $5 Flat FeeHigh-quality and reliable CMOS battery for your Lenovo ThinkPad P15 Gen 1 (Type 20ST, 20SU)Lenovo ThinkPad P15 Gen 1 (Type 20ST,...
RTC CMOS Battery for HP ZBook 15u G4

RTC CMOS Battery for HP ZBook 15u G4

$17.08
Limited Time International Shipping Promo ̶$̶1̶3̶.̶9̶9̶ - $5 Flat FeeHigh-quality and reliable CMOS battery for your HP ZBook 15u G4HP ZBook 15u G4 CMOS batteries are the highest-quality lithium-ion batteries...
RTC CMOS Battery for HP ZBook 15u G3

RTC CMOS Battery for HP ZBook 15u G3

$17.08
Limited Time International Shipping Promo ̶$̶1̶3̶.̶9̶9̶ - $5 Flat FeeHigh-quality and reliable CMOS battery for your HP ZBook 15u G3HP ZBook 15u G3 CMOS batteries are the highest-quality lithium-ion batteries...

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.