CMOS Batteries

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RTC CMOS Battery for Dell PowerEdge T110

RTC CMOS Battery for Dell PowerEdge T110

¥51.44
Limited Time International Shipping Promo ̶$̶1̶3̶.̶9̶9̶ - $5 Flat FeeHigh-quality and reliable CMOS battery for your Dell PowerEdge T110Dell PowerEdge T110 CMOS batteries are the highest-quality lithium-ion batteries on the...
RTC CMOS Battery for Dell PowerEdge T105

RTC CMOS Battery for Dell PowerEdge T105

¥51.44
Limited Time International Shipping Promo ̶$̶1̶3̶.̶9̶9̶ - $5 Flat FeeHigh-quality and reliable CMOS battery for your Dell PowerEdge T105Dell PowerEdge T105 CMOS batteries are the highest-quality lithium-ion batteries on the...
RTC CMOS Battery for Dell PowerEdge T100

RTC CMOS Battery for Dell PowerEdge T100

¥51.44
Limited Time International Shipping Promo ̶$̶1̶3̶.̶9̶9̶ - $5 Flat FeeHigh-quality and reliable CMOS battery for your Dell PowerEdge T100Dell PowerEdge T100 CMOS batteries are the highest-quality lithium-ion batteries on the...
RTC CMOS Battery for Dell PowerEdge T40

RTC CMOS Battery for Dell PowerEdge T40

¥51.44
Limited Time International Shipping Promo ̶$̶1̶3̶.̶9̶9̶ - $5 Flat FeeHigh-quality and reliable CMOS battery for your Dell PowerEdge T40Dell PowerEdge T40 CMOS batteries are the highest-quality lithium-ion batteries on the...
RTC CMOS Battery for Dell PowerEdge T30

RTC CMOS Battery for Dell PowerEdge T30

¥51.44
Limited Time International Shipping Promo ̶$̶1̶3̶.̶9̶9̶ - $5 Flat FeeHigh-quality and reliable CMOS battery for your Dell PowerEdge T30Dell PowerEdge T30 CMOS batteries are the highest-quality lithium-ion batteries on the...
RTC CMOS Battery for Dell PowerEdge T20

RTC CMOS Battery for Dell PowerEdge T20

¥51.44
Limited Time International Shipping Promo ̶$̶1̶3̶.̶9̶9̶ - $5 Flat FeeHigh-quality and reliable CMOS battery for your Dell PowerEdge T20Dell PowerEdge T20 CMOS batteries are the highest-quality lithium-ion batteries on the...
RTC CMOS Battery for Dell PowerEdge R940xa

RTC CMOS Battery for Dell PowerEdge R940xa

¥51.44
Limited Time International Shipping Promo ̶$̶1̶3̶.̶9̶9̶ - $5 Flat FeeHigh-quality and reliable CMOS battery for your Dell PowerEdge R940xaDell PowerEdge R940xa CMOS batteries are the highest-quality lithium-ion batteries on the...
RTC CMOS Battery for Dell PowerEdge R940

RTC CMOS Battery for Dell PowerEdge R940

¥51.44
Limited Time International Shipping Promo ̶$̶1̶3̶.̶9̶9̶ - $5 Flat FeeHigh-quality and reliable CMOS battery for your Dell PowerEdge R940Dell PowerEdge R940 CMOS batteries are the highest-quality lithium-ion batteries on the...
RTC CMOS Battery for Dell PowerEdge R930

RTC CMOS Battery for Dell PowerEdge R930

¥51.44
Limited Time International Shipping Promo ̶$̶1̶3̶.̶9̶9̶ - $5 Flat FeeHigh-quality and reliable CMOS battery for your Dell PowerEdge R930Dell PowerEdge R930 CMOS batteries are the highest-quality lithium-ion batteries on the...
RTC CMOS Battery for Dell PowerEdge R920

RTC CMOS Battery for Dell PowerEdge R920

¥51.44
Limited Time International Shipping Promo ̶$̶1̶3̶.̶9̶9̶ - $5 Flat FeeHigh-quality and reliable CMOS battery for your Dell PowerEdge R920Dell PowerEdge R920 CMOS batteries are the highest-quality lithium-ion batteries on the...
RTC CMOS Battery for Dell PowerEdge R910

RTC CMOS Battery for Dell PowerEdge R910

¥51.44
Limited Time International Shipping Promo ̶$̶1̶3̶.̶9̶9̶ - $5 Flat FeeHigh-quality and reliable CMOS battery for your Dell PowerEdge R910Dell PowerEdge R910 CMOS batteries are the highest-quality lithium-ion batteries on the...
RTC CMOS Battery for Dell PowerEdge R905

RTC CMOS Battery for Dell PowerEdge R905

¥51.44
Limited Time International Shipping Promo ̶$̶1̶3̶.̶9̶9̶ - $5 Flat FeeHigh-quality and reliable CMOS battery for your Dell PowerEdge R905Dell PowerEdge R905 CMOS batteries are the highest-quality lithium-ion batteries on the...

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.