CMOS Batteries

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Replacement RTC CMOS Battery for HP (Part Number) L13694-001

Replacement RTC CMOS Battery for HP (Part Number) L13694-001

$10.99
Limited Time International Shipping Promo ̶$̶1̶3̶.̶9̶9̶ - $5 Flat FeeHigh-quality and reliable CMOS battery for your HP (Part Number) L13694-001HP (Part Number) L13694-001 CMOS batteries are the highest-quality lithium-ion batteries...
RTC CMOS Battery for HP EliteBook 850 G5

RTC CMOS Battery for HP EliteBook 850 G5

$10.99
Limited Time International Shipping Promo ̶$̶1̶3̶.̶9̶9̶ - $5 Flat FeeHigh-quality and reliable CMOS battery for your HP EliteBook 850 G5HP EliteBook 850 G5 CMOS batteries are the highest-quality lithium-ion batteries...
RTC CMOS Battery for HP EliteBook 840 G7

RTC CMOS Battery for HP EliteBook 840 G7

$10.99
Limited Time International Shipping Promo ̶$̶1̶3̶.̶9̶9̶ - $5 Flat FeeHigh-quality and reliable CMOS battery for your HP EliteBook 840 G7HP EliteBook 840 G7 CMOS batteries are the highest-quality lithium-ion batteries...
RTC CMOS Battery for Intel DH77DF Mini ITX Motherboard

RTC CMOS Battery for Intel DH77DF Mini ITX Motherboard

$10.99
Limited Time International Shipping Promo ̶$̶1̶3̶.̶9̶9̶ - $5 Flat FeeHigh-quality and reliable CMOS battery for your Intel DH77DF Mini ITX MotherboardIntel DH77DF Mini ITX Motherboard CMOS batteries are the highest-quality...
RTC CMOS Battery for Panasonic Toughbook CF-29

RTC CMOS Battery for Panasonic Toughbook CF-29

$10.99
Limited Time International Shipping Promo ̶$̶1̶3̶.̶9̶9̶ - $5 Flat FeeHigh-quality and reliable CMOS battery for your Panasonic Toughbook CF-29Panasonic Toughbook CF-29 CMOS batteries are the highest-quality lithium-ion batteries on the...
RTC CMOS Battery for Lenovo IdeaPad 3-15IIL05

RTC CMOS Battery for Lenovo IdeaPad 3-15IIL05

$10.99
Limited Time International Shipping Promo ̶$̶1̶3̶.̶9̶9̶ - $5 Flat FeeHigh-quality and reliable CMOS battery for your Lenovo IdeaPad 3-15IIL05Lenovo IdeaPad 3-15IIL05 CMOS batteries are the highest-quality lithium-ion batteries on the...
RTC CMOS Battery for Gigabyte GB-BSi5-6200 Motherboard

RTC CMOS Battery for Gigabyte GB-BSi5-6200 Motherboard

$10.99
Limited Time International Shipping Promo ̶$̶1̶3̶.̶9̶9̶ - $5 Flat FeeHigh-quality and reliable CMOS battery for your Gigabyte GB-BSi5-6200 MotherboardGigabyte GB-BSi5-6200 Motherboard CMOS batteries are the highest-quality lithium-ion batteries on the...
RTC CMOS Battery for HP EliteBook 850 G1

RTC CMOS Battery for HP EliteBook 850 G1

$10.99
Limited Time International Shipping Promo ̶$̶1̶3̶.̶9̶9̶ - $5 Flat FeeHigh-quality and reliable CMOS battery for your HP EliteBook 850 G1HP EliteBook 850 G1 CMOS batteries are the highest-quality lithium-ion batteries...
RTC CMOS Battery for Lenovo ThinkPad E14 Gen 2 (Type 20TA, 20TB)

RTC CMOS Battery for Lenovo ThinkPad E14 Gen 2 (Type 20TA, 20TB)

$10.99
Limited Time International Shipping Promo ̶$̶1̶3̶.̶9̶9̶ - $5 Flat FeeHigh-quality and reliable CMOS battery for your Lenovo ThinkPad E14 Gen 2 (Type 20TA, 20TB)Lenovo ThinkPad E14 Gen 2 (Type 20TA,...
RTC CMOS Battery for Lenovo ThinkPad P53 (Type 20QN, 20QQ)

RTC CMOS Battery for Lenovo ThinkPad P53 (Type 20QN, 20QQ)

$10.99
Limited Time International Shipping Promo ̶$̶1̶3̶.̶9̶9̶ - $5 Flat FeeHigh-quality and reliable CMOS battery for your Lenovo ThinkPad P53 (Type 20QN, 20QQ)Lenovo ThinkPad P53 (Type 20QN, 20QQ) CMOS batteries are...
RTC CMOS Battery for Lenovo ThinkPad Edge E431

RTC CMOS Battery for Lenovo ThinkPad Edge E431

$10.99
Limited Time International Shipping Promo ̶$̶1̶3̶.̶9̶9̶ - $5 Flat FeeHigh-quality and reliable CMOS battery for your Lenovo ThinkPad Edge E431Lenovo ThinkPad Edge E431 CMOS batteries are the highest-quality lithium-ion batteries...
RTC CMOS Battery for Lenovo ThinkPad X1 Tablet 3rd Gen (Type 20KJ, 20KK) (FOR TABLET VERSION ONLY)

RTC CMOS Battery for Lenovo ThinkPad X1 Tablet 3rd Gen (Type 20KJ, 20KK) (FOR TABLET VERSION ONLY)

$10.99
Limited Time International Shipping Promo ̶$̶1̶3̶.̶9̶9̶ - $5 Flat FeeHigh-quality and reliable CMOS battery for your RTC CMOS Battery for Lenovo ThinkPad X1 Tablet 3rd Gen (Type 20KJ, 20KK) (FOR...

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.