CMOS Batteries

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RTC CMOS Battery for Evoo Gaming EG-LP5-BK

RTC CMOS Battery for Evoo Gaming EG-LP5-BK

$10.99
Limited Time International Shipping Promo ̶$̶1̶3̶.̶9̶9̶ - $5 Flat Fee High-quality and reliable CMOS battery for your Evoo Gaming EG-LP5-BKEvoo Gaming EG-LP5-BK CMOS batteries are the highest-quality lithium-ion batteries on...
RTC CMOS Battery for Retail System J2 225 POS

RTC CMOS Battery for Retail System J2 225 POS

$10.99
Limited Time International Shipping Promo ̶$̶1̶3̶.̶9̶9̶ - $5 Flat Fee High-quality and reliable CMOS battery for your Retail System J2 225 POSRetail System J2 225 POS CMOS batteries are the...
RTC CMOS Battery for Zotac ZBOX CI320 nano mini PC

RTC CMOS Battery for Zotac ZBOX CI320 nano mini PC

$10.99
Limited Time International Shipping Promo ̶$̶1̶3̶.̶9̶9̶ - $5 Flat Fee High-quality and reliable CMOS battery for your Zotac ZBOX CI320 nano mini PCZotac ZBOX CI320 nano mini PC CMOS batteries...
RTC CMOS Battery for Toshiba Portege A100

RTC CMOS Battery for Toshiba Portege A100

$10.99
Limited Time International Shipping Promo ̶$̶1̶3̶.̶9̶9̶ - $5 Flat Fee High-quality and reliable CMOS battery for your Toshiba Portege A100Toshiba Portege A100 CMOS batteries are the highest-quality lithium-ion batteries on...
RTC CMOS Battery for Sony VAIO VGN-SZ Series

RTC CMOS Battery for Sony VAIO VGN-SZ Series

$10.99
Limited Time International Shipping Promo ̶$̶1̶3̶.̶9̶9̶ - $5 Flat Fee High-quality and reliable CMOS battery for your Sony VAIO VGN-SZ SeriesSony VAIO VGN-SZ Series CMOS batteries are the highest-quality lithium-ion...
RTC CMOS Battery for Sony VAIO VGN-SZ230P

RTC CMOS Battery for Sony VAIO VGN-SZ230P

$10.99
Limited Time International Shipping Promo ̶$̶1̶3̶.̶9̶9̶ - $5 Flat Fee High-quality and reliable CMOS battery for your Sony VAIO VGN-SZ230PSony VAIO VGN-SZ230P CMOS batteries are the highest-quality lithium-ion batteries on...
RTC CMOS Battery for Sony VAIO PCG-6Q2M

RTC CMOS Battery for Sony VAIO PCG-6Q2M

$10.99
Limited Time International Shipping Promo ̶$̶1̶3̶.̶9̶9̶ - $5 Flat Fee High-quality and reliable CMOS battery for your Sony VAIO PCG-6Q2MSony VAIO PCG-6Q2M CMOS batteries are the highest-quality lithium-ion batteries on...
RTC CMOS Battery for Sony VAIO PCG-6Q2L

RTC CMOS Battery for Sony VAIO PCG-6Q2L

$10.99
Limited Time International Shipping Promo ̶$̶1̶3̶.̶9̶9̶ - $5 Flat Fee High-quality and reliable CMOS battery for your Sony VAIO PCG-6Q2LSony VAIO PCG-6Q2L CMOS batteries are the highest-quality lithium-ion batteries on...
RTC CMOS Battery for Sony VAIO PCG-6Q1L

RTC CMOS Battery for Sony VAIO PCG-6Q1L

$10.99
Limited Time International Shipping Promo ̶$̶1̶3̶.̶9̶9̶ - $5 Flat Fee High-quality and reliable CMOS battery for your Sony VAIO PCG-6Q1LSony VAIO PCG-6Q1L CMOS batteries are the highest-quality lithium-ion batteries on...
RTC CMOS Battery for Sony VAIO VGN-SZ440

RTC CMOS Battery for Sony VAIO VGN-SZ440

$10.99
Limited Time International Shipping Promo ̶$̶1̶3̶.̶9̶9̶ - $5 Flat Fee High-quality and reliable CMOS battery for your Sony VAIO VGN-SZ440Sony VAIO VGN-SZ440 CMOS batteries are the highest-quality lithium-ion batteries on...
RTC CMOS Battery for Sony VAIO VGN-SZ3HP

RTC CMOS Battery for Sony VAIO VGN-SZ3HP

$10.99
Limited Time International Shipping Promo ̶$̶1̶3̶.̶9̶9̶ - $5 Flat Fee High-quality and reliable CMOS battery for your Sony VAIO VGN-SZ3HPSony VAIO VGN-SZ3HP CMOS batteries are the highest-quality lithium-ion batteries on...
RTC CMOS Battery for Sony VAIO PCG-6N2M

RTC CMOS Battery for Sony VAIO PCG-6N2M

$10.99
Limited Time International Shipping Promo ̶$̶1̶3̶.̶9̶9̶ - $5 Flat Fee High-quality and reliable CMOS battery for your Sony VAIO PCG-6N2MSony VAIO PCG-6N2M CMOS batteries are the highest-quality lithium-ion batteries on...

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.