CMOS Batteries

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RTC CMOS Battery for Toshiba Satellite L670D

RTC CMOS Battery for Toshiba Satellite L670D

¥57.78
Limited Time International Shipping Promo ̶$̶1̶3̶.̶9̶9̶ - $5 Flat FeeHigh-quality and reliable CMOS coin battery for your Toshiba Satellite L670DToshiba Satellite L670D CMOS coin batteries are the highest-quality lithium-ion batteries...
RTC CMOS Battery for Acer Aspire E5-523

RTC CMOS Battery for Acer Aspire E5-523

¥43.32
Limited Time International Shipping Promo ̶$̶1̶3̶.̶9̶9̶ - $5 Flat FeeHigh-quality and reliable CMOS coin battery for your Acer Aspire E5-523Acer Aspire E5-523 CMOS coin batteries are the highest-quality lithium-ion batteries...
RTC CMOS Battery for Acer Aspire E5-473

RTC CMOS Battery for Acer Aspire E5-473

¥57.78
Limited Time International Shipping Promo ̶$̶1̶3̶.̶9̶9̶ - $5 Flat FeeHigh-quality and reliable CMOS coin battery for your Acer Aspire E5-473Acer Aspire E5-473 CMOS coin batteries are the highest-quality lithium-ion batteries...
RTC CMOS Battery for Acer Aspire E5-473G

RTC CMOS Battery for Acer Aspire E5-473G

¥57.78
Limited Time International Shipping Promo ̶$̶1̶3̶.̶9̶9̶ - $5 Flat FeeHigh-quality and reliable CMOS coin battery for your Acer Aspire E5-473GAcer Aspire E5-473G CMOS coin batteries are the highest-quality lithium-ion batteries...
RTC CMOS Battery for Acer Aspire E5-473T

RTC CMOS Battery for Acer Aspire E5-473T

¥57.78
Limited Time International Shipping Promo ̶$̶1̶3̶.̶9̶9̶ - $5 Flat FeeHigh-quality and reliable CMOS coin battery for your Acer Aspire E5-473TAcer Aspire E5-473T CMOS coin batteries are the highest-quality lithium-ion batteries...
RTC CMOS Battery for Acer Aspire E5-473TG

RTC CMOS Battery for Acer Aspire E5-473TG

¥57.78
Limited Time International Shipping Promo ̶$̶1̶3̶.̶9̶9̶ - $5 Flat FeeHigh-quality and reliable CMOS coin battery for your Acer Aspire E5-473TGAcer Aspire E5-473TG CMOS coin batteries are the highest-quality lithium-ion batteries...
RTC CMOS Battery for Lenovo IdeaPad 700-15ISK

RTC CMOS Battery for Lenovo IdeaPad 700-15ISK

¥43.32
Limited Time International Shipping Promo ̶$̶1̶3̶.̶9̶9̶ - $5 Flat FeeHigh-quality and reliable CMOS coin battery for your Lenovo IdeaPad 700-15ISKLenovo IdeaPad 700-15ISK CMOS coin batteries are the highest-quality lithium-ion batteries...
RTC CMOS Battery for HP ZBook 17 G4

RTC CMOS Battery for HP ZBook 17 G4

¥43.32
Limited Time International Shipping Promo ̶$̶1̶3̶.̶9̶9̶ - $5 Flat FeeHigh-quality and reliable CMOS coin battery for your HP ZBook 17 G4HP ZBook 17 G4 CMOS coin batteries are the highest-quality...
RTC CMOS Battery for HP ProBook 430 G1

RTC CMOS Battery for HP ProBook 430 G1

¥43.32
Limited Time International Shipping Promo ̶$̶1̶3̶.̶9̶9̶ - $5 Flat FeeHigh-quality and reliable CMOS coin battery for your HP ProBook 430 G1HP ProBook 430 G1 CMOS coin batteries are the highest-quality...
RTC CMOS Battery for HP ProBook 430 G2

RTC CMOS Battery for HP ProBook 430 G2

¥43.32
Limited Time International Shipping Promo ̶$̶1̶3̶.̶9̶9̶ - $5 Flat FeeHigh-quality and reliable CMOS coin battery for your HP ProBook 430 G2HP ProBook 430 G2 CMOS coin batteries are the highest-quality...
RTC CMOS Battery for HP ProBook 430 G3

RTC CMOS Battery for HP ProBook 430 G3

¥43.32
Limited Time International Shipping Promo ̶$̶1̶3̶.̶9̶9̶ - $5 Flat FeeHigh-quality and reliable CMOS coin battery for your HP ProBook 430 G3HP ProBook 430 G3 CMOS coin batteries are the highest-quality...
RTC CMOS Battery for HP ProBook 430 G4

RTC CMOS Battery for HP ProBook 430 G4

¥43.32
Limited Time International Shipping Promo ̶$̶1̶3̶.̶9̶9̶ - $5 Flat FeeHigh-quality and reliable CMOS coin battery for your HP ProBook 430 G4HP ProBook 430 G4 CMOS coin 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.