CMOS Batteries

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RTC CMOS Battery for Dell Precision 3540 / P80F / P80F001

RTC CMOS Battery for Dell Precision 3540 / P80F / P80F001

£8.81
Limited Time International Shipping Promo ̶$̶1̶3̶.̶9̶9̶ - $5 Flat Fee High-quality and reliable CMOS battery for your Dell Precision 3540 / P80F / P80F001Dell Precision 3540 / P80F / P80F001...
RTC CMOS Battery for Dell Precision 3530 / P60F / P60F002

RTC CMOS Battery for Dell Precision 3530 / P60F / P60F002

£8.81
Limited Time International Shipping Promo ̶$̶1̶3̶.̶9̶9̶ - $5 Flat Fee High-quality and reliable CMOS battery for your Dell Precision 3530 / P60F / P60F002Dell Precision 3530 / P60F / P60F002...
RTC CMOS Battery for Dell Precision 3520 / P60F / P60F001

RTC CMOS Battery for Dell Precision 3520 / P60F / P60F001

£8.81
Limited Time International Shipping Promo ̶$̶1̶3̶.̶9̶9̶ - $5 Flat Fee High-quality and reliable CMOS battery for your Dell Precision 3520 / P60F / P60F001Dell Precision 3520 / P60F / P60F001...
RTC CMOS Battery for Dell Precision 3490 / P165G / P165G004 / P165G005

RTC CMOS Battery for Dell Precision 3490 / P165G / P165G004 / P165G005

£8.81
Limited Time International Shipping Promo ̶$̶1̶3̶.̶9̶9̶ - $5 Flat Fee High-quality and reliable CMOS battery for your Dell Precision 3490 / P165G / P165G004 / P165G005Dell Precision 3490 / P165G...
RTC CMOS Battery for Dell Precision 3480 / P165G / P165G001 / P165G002 / P165G003

RTC CMOS Battery for Dell Precision 3480 / P165G / P165G001 / P165G002 / P165G003

£8.81
Limited Time International Shipping Promo ̶$̶1̶3̶.̶9̶9̶ - $5 Flat Fee High-quality and reliable CMOS battery for your Dell Precision 3480 / P165G / P165G001 / P165G002 / P165G003Dell Precision 3480...
RTC CMOS Battery for Dell Precision 3460 Small Form Factor Desktop / D17S / D17S004

RTC CMOS Battery for Dell Precision 3460 Small Form Factor Desktop / D17S / D17S004

£4.80
Limited Time International Shipping Promo ̶$̶1̶3̶.̶9̶9̶ - $5 Flat Fee High-quality and reliable CMOS battery for your Dell Precision 3460 Small Form Factor Desktop / D17S / D17S004Dell Precision 3460...
RTC CMOS Battery for Dell Precision 3450 Small Form Factor Desktop / D15S / D15S104

RTC CMOS Battery for Dell Precision 3450 Small Form Factor Desktop / D15S / D15S104

£4.80
Limited Time International Shipping Promo ̶$̶1̶3̶.̶9̶9̶ - $5 Flat Fee High-quality and reliable CMOS battery for your Dell Precision 3450 Small Form Factor Desktop / D15S / D15S104Dell Precision 3450...
RTC CMOS Battery for Dell Precision 3440 Small Form Factor Desktop / D15S / D15S003

RTC CMOS Battery for Dell Precision 3440 Small Form Factor Desktop / D15S / D15S003

£4.80
Limited Time International Shipping Promo ̶$̶1̶3̶.̶9̶9̶ - $5 Flat Fee High-quality and reliable CMOS battery for your Dell Precision 3440 Small Form Factor Desktop / D15S / D15S003Dell Precision 3440...
RTC CMOS Battery for Dell Precision 3431 Small Form Factor Desktop / D11S / D11S004

RTC CMOS Battery for Dell Precision 3431 Small Form Factor Desktop / D11S / D11S004

£4.80
Limited Time International Shipping Promo ̶$̶1̶3̶.̶9̶9̶ - $5 Flat Fee High-quality and reliable CMOS battery for your Dell Precision 3431 Small Form Factor Desktop / D11S / D11S004Dell Precision 3431...
RTC CMOS Battery for Dell Precision 3430 Small Form Factor Desktop / D11S / D11S004

RTC CMOS Battery for Dell Precision 3430 Small Form Factor Desktop / D11S / D11S004

£4.80
Limited Time International Shipping Promo ̶$̶1̶3̶.̶9̶9̶ - $5 Flat Fee High-quality and reliable CMOS battery for your Dell Precision 3430 Small Form Factor Desktop / D11S / D11S004Dell Precision 3430...
RTC CMOS Battery for Dell Precision 3280 Compact Desktop / D18U / D18U001

RTC CMOS Battery for Dell Precision 3280 Compact Desktop / D18U / D18U001

£4.80
Limited Time International Shipping Promo ̶$̶1̶3̶.̶9̶9̶ - $5 Flat Fee High-quality and reliable CMOS battery for your Dell Precision 3280 Compact Desktop / D18U / D18U001Dell Precision 3280 Compact Desktop...
RTC CMOS Battery for Dell Precision 3260 Compact Desktop / D16U / D16U001

RTC CMOS Battery for Dell Precision 3260 Compact Desktop / D16U / D16U001

£4.80
Limited Time International Shipping Promo ̶$̶1̶3̶.̶9̶9̶ - $5 Flat Fee High-quality and reliable CMOS battery for your Dell Precision 3260 Compact Desktop / D16U / D16U001Dell Precision 3260 Compact Desktop...

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.