CMOS Batteries

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RTC CMOS Battery for HP EliteBook 8570p

¥80.47
High quality and reliable CMOS battery for your HP EliteBook 8570p Rome Tech CMOS batteries for HP EliteBook 8570p are the highest quality lithium-ion batteries in a small size. High...

RTC CMOS Battery for ASUS ROG Strix GL553VD

¥80.47
High-quality and reliable CMOS battery for your ASUS ROG Strix GL553VDASUS ROG Strix GL553VD CMOS batteries are the highest-quality lithium-ion batteries on the market. High power ensures efficient operation and...

RTC CMOS Battery for ASUS U47A

¥80.47
High-quality and reliable CMOS battery for your ASUS U47AASUS U47A CMOS batteries are the highest-quality lithium-ion batteries on the market. High power ensures efficient operation and long service life of...

RTC CMOS Battery for ASUS Q551LN

¥80.47
High-quality and reliable CMOS battery for your ASUS Q551LNASUS Q551LN CMOS batteries are the highest-quality lithium-ion batteries on the market. High power ensures efficient operation and long service life of...

RTC CMOS Battery for Acer Spin 3 SP314-52

¥80.47
High-quality and reliable CMOS battery for your Acer Spin 3 SP314-52Acer Spin 3 SP314-52 CMOS batteries are the highest-quality lithium-ion batteries on the market. High power ensures efficient operation and...

Rechargeable Ni-MH 3.6V CMOS Battery for Varta PLC - 40 mAh Backup CMOS Battery

¥87.80
BEST SOLUTION FOR YOUR SANITIZING WAND:Rome Tech NiMH replacement battery designed for reliable performance and high durability, it is guaranteed to maintain 80% of its rated capacity for 12 months...

RTC CMOS Battery for ASUS ROG Strix X470-I Gaming Motherboard

¥80.47
High-quality and reliable CMOS battery for your ASUS ROG Strix X470-I Gaming MotherboardASUS ROG Strix X470-I Gaming Motherboard CMOS batteries are the highest-quality lithium-ion batteries on the market. High power...

RTC CMOS Battery for ASUS Prime Z490-P Motherboard

¥43.86
High-quality and reliable CMOS battery for your ASUS Prime Z490-P MotherboardASUS Prime Z490-P Motherboard CMOS batteries are the highest-quality lithium-ion batteries on the market. High power ensures efficient operation and...

RTC CMOS Battery for ASUS ROG Strix Z390-I Motherboard

¥80.47
High-quality and reliable CMOS battery for your ASUS ROG Strix Z390-I MotherboardASUS ROG Strix Z390-I Motherboard CMOS batteries are the highest-quality lithium-ion batteries on the market. High power ensures efficient...

RTC CMOS Battery for Razer Blade 15 RZ09-03304 (2020)

¥51.18
High-quality and reliable CMOS battery for your Razer Blade 15 RZ09-03304 (2020)Razer Blade 15 RZ09-03304 (2020) CMOS batteries are the highest-quality lithium-ion batteries on the market. High power ensures efficient...

RTC CMOS Battery for MSI GS66 Stealth 11UE

¥87.80
High-quality and reliable CMOS battery for your MSI GS66 Stealth 11UEMSI GS66 Stealth 11UE CMOS batteries are the highest-quality lithium-ion batteries on the market. High power ensures efficient operation and...

RTC CMOS Battery for ASUS ROG Strix Z370-I Gaming Motherboard

¥80.47
High-quality and reliable CMOS battery for your ASUS ROG Strix Z370-I Gaming MotherboardASUS ROG Strix Z370-I Gaming Motherboard CMOS batteries are the highest-quality lithium-ion batteries on the market. High power...

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.