CMOS Batteries

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RTC CMOS Battery for Dell Precision 7710 / P29E / P29E001

RTC CMOS Battery for Dell Precision 7710 / P29E / P29E001

$17.15
Limited Time International Shipping Promo ̶$̶1̶3̶.̶9̶9̶ - $5 Flat Fee High-quality and reliable CMOS battery for your Dell Precision 7710 / P29E / P29E001Dell Precision 7710 / P29E / P29E001...
RTC CMOS Battery for Dell Latitude 7390 2-in-1 / P29S / P29S002

RTC CMOS Battery for Dell Latitude 7390 2-in-1 / P29S / P29S002

$17.15
Limited Time International Shipping Promo ̶$̶1̶3̶.̶9̶9̶ - $5 Flat Fee High-quality and reliable CMOS battery for your Dell Latitude 7390 2-in-1 / P29S / P29S002Dell Latitude 7390 2-in-1 / P29S...
RTC CMOS Battery for Dell Latitude 7340 / P179G / P178G / P179G001 / P178G001

RTC CMOS Battery for Dell Latitude 7340 / P179G / P178G / P179G001 / P178G001

$17.15
Limited Time International Shipping Promo ̶$̶1̶3̶.̶9̶9̶ - $5 Flat Fee High-quality and reliable CMOS battery for your Dell Latitude 7340 / P179G / P178G / P179G001 / P178G001Dell Latitude 7340...
RTC CMOS Battery for Dell Inspiron 15 Gaming 7567 / P65F / P65F001

RTC CMOS Battery for Dell Inspiron 15 Gaming 7567 / P65F / P65F001

$17.15
Limited Time International Shipping Promo ̶$̶1̶3̶.̶9̶9̶ - $5 Flat Fee High-quality and reliable CMOS battery for your Dell Inspiron 15 Gaming 7567 / P65F / P65F001Dell Inspiron 15 Gaming 7567...
RTC CMOS Battery for Dell Inspiron 15 7559 / P57F / P57F

RTC CMOS Battery for Dell Inspiron 15 7559 / P57F / P57F

$17.15
Limited Time International Shipping Promo ̶$̶1̶3̶.̶9̶9̶ - $5 Flat Fee High-quality and reliable CMOS battery for your Dell Inspiron 15 7559 / P57F / P57FDell Inspiron 15 7559 / P57F...
RTC CMOS Battery for Dell Inspiron 15 5548 / P39F / P39F001

RTC CMOS Battery for Dell Inspiron 15 5548 / P39F / P39F001

$17.15
Limited Time International Shipping Promo ̶$̶1̶3̶.̶9̶9̶ - $5 Flat Fee High-quality and reliable CMOS battery for your Dell Inspiron 15 5548 / P39F / P39F001Dell Inspiron 15 5548 / P39F...
RTC CMOS Battery for HP EliteBook Folio 9480m

RTC CMOS Battery for HP EliteBook Folio 9480m

$23.40
Limited Time International Shipping Promo ̶$̶1̶3̶.̶9̶9̶ - $5 Flat Fee High-quality and reliable CMOS battery for your HP EliteBook Folio 9480mHP EliteBook Folio 9480m CMOS batteries are the highest-quality lithium-ion...
RTC CMOS Battery for Toshiba Satellite E45t-A4100

RTC CMOS Battery for Toshiba Satellite E45t-A4100

$12.47
Limited Time International Shipping Promo ̶$̶1̶3̶.̶9̶9̶ - $5 Flat FeeHigh-quality and reliable CMOS coin battery for your Toshiba Satellite E45t-A4100Toshiba Satellite E45t-A4100 CMOS coin batteries are the highest-quality lithium-ion batteries...
RTC CMOS Battery for HP ProBook 450 G2

RTC CMOS Battery for HP ProBook 450 G2

$9.35
Limited Time International Shipping Promo ̶$̶1̶3̶.̶9̶9̶ - $5 Flat FeeHigh-quality and reliable CMOS coin battery for your HP ProBook 450 G2HP ProBook 450 G2 CMOS coin batteries are the highest-quality...
RTC CMOS Battery for Raspberry Pi 5 - 64mAh ML2032 3V

RTC CMOS Battery for Raspberry Pi 5 - 64mAh ML2032 3V

$17.15
Limited Time International Shipping Promo ̶$̶1̶3̶.̶9̶9̶ - $5 Flat Fee High-quality and reliable CMOS battery for your Raspberry Pi 5 - 64mAh ML2032 3VRaspberry Pi 5 - 64mAh ML2032 3V...
RTC CMOS Battery for Beelink SII Mini Gaming PC

RTC CMOS Battery for Beelink SII Mini Gaming PC

$17.15
Limited Time International Shipping Promo ̶$̶1̶3̶.̶9̶9̶ - $5 Flat Fee High-quality and reliable CMOS battery for your Beelink SII Mini Gaming PCBeelink SII Mini Gaming PC CMOS batteries are the...
RTC CMOS Battery for Samsung Series 7 Chronos NP700Z5B

RTC CMOS Battery for Samsung Series 7 Chronos NP700Z5B

$17.15
Limited Time International Shipping Promo ̶$̶1̶3̶.̶9̶9̶ - $5 Flat FeeHigh-quality and reliable CMOS battery for your Samsung Series 7 Chronos NP700Z5BSamsung Series 7 Chronos NP700Z5B CMOS batteries are the highest-quality...

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.