CMOS Batteries

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RTC CMOS Battery for Dell Inspiron 20 3064 AIO / W15B / W15B005

RTC CMOS Battery for Dell Inspiron 20 3064 AIO / W15B / W15B005

£4.68
Limited Time International Shipping Promo ̶$̶1̶3̶.̶9̶9̶ - $5 Flat Fee High-quality and reliable CMOS battery for your Dell Inspiron 20 3064 AIO / W15B / W15B005Dell Inspiron 20 3064 AIO...
RTC CMOS Battery for Dell Inspiron 20 3059 AIO / W15B / W15B003

RTC CMOS Battery for Dell Inspiron 20 3059 AIO / W15B / W15B003

£4.68
Limited Time International Shipping Promo ̶$̶1̶3̶.̶9̶9̶ - $5 Flat Fee High-quality and reliable CMOS battery for your Dell Inspiron 20 3059 AIO / W15B / W15B003Dell Inspiron 20 3059 AIO...
RTC CMOS Battery for Dell Inspiron 20 3052 AIO / W15B / W15B002

RTC CMOS Battery for Dell Inspiron 20 3052 AIO / W15B / W15B002

£4.68
Limited Time International Shipping Promo ̶$̶1̶3̶.̶9̶9̶ - $5 Flat Fee High-quality and reliable CMOS battery for your Dell Inspiron 20 3052 AIO / W15B / W15B002Dell Inspiron 20 3052 AIO...
RTC CMOS Battery for Dell Inspiron 20 3048 AIO / W09B / W09B001

RTC CMOS Battery for Dell Inspiron 20 3048 AIO / W09B / W09B001

£4.68
Limited Time International Shipping Promo ̶$̶1̶3̶.̶9̶9̶ - $5 Flat Fee High-quality and reliable CMOS battery for your Dell Inspiron 20 3048 AIO / W09B / W09B001Dell Inspiron 20 3048 AIO...
RTC CMOS Battery for Dell Inspiron 20 3045 AIO / W09B / W09B002

RTC CMOS Battery for Dell Inspiron 20 3045 AIO / W09B / W09B002

£4.68
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RTC CMOS Battery for Dell Inspiron 20 3043 AIO / W13B / W13B001

RTC CMOS Battery for Dell Inspiron 20 3043 AIO / W13B / W13B001

£8.59
Limited Time International Shipping Promo ̶$̶1̶3̶.̶9̶9̶ - $5 Flat Fee High-quality and reliable CMOS battery for your Dell Inspiron 20 3043 AIO / W13B / W13B001Dell Inspiron 20 3043 AIO...
RTC CMOS Battery for Dell Inspiron 15z 5523 / P26F / P26F001

RTC CMOS Battery for Dell Inspiron 15z 5523 / P26F / P26F001

£4.68
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RTC CMOS Battery for Dell Inspiron 15z 1570 / P04G / P04G001

RTC CMOS Battery for Dell Inspiron 15z 1570 / P04G / P04G001

£8.59
Limited Time International Shipping Promo ̶$̶1̶3̶.̶9̶9̶ - $5 Flat Fee High-quality and reliable CMOS battery for your Dell Inspiron 15z 1570 / P04G / P04G001Dell Inspiron 15z 1570 / P04G...
RTC CMOS Battery for Dell Inspiron 14z 5423 / P35G / P35G001

RTC CMOS Battery for Dell Inspiron 14z 5423 / P35G / P35G001

£8.59
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RTC CMOS Battery for Dell Inspiron 14z 1470 / P04F / P04F001

RTC CMOS Battery for Dell Inspiron 14z 1470 / P04F / P04F001

£8.59
Limited Time International Shipping Promo ̶$̶1̶3̶.̶9̶9̶ - $5 Flat Fee High-quality and reliable CMOS battery for your Dell Inspiron 14z 1470 / P04F / P04F001Dell Inspiron 14z 1470 / P04F...
RTC CMOS Battery for Dell Inspiron 14z N411z / P23G / P23G001

RTC CMOS Battery for Dell Inspiron 14z N411z / P23G / P23G001

£4.68
Limited Time International Shipping Promo ̶$̶1̶3̶.̶9̶9̶ - $5 Flat Fee High-quality and reliable CMOS battery for your Dell Inspiron 14z N411z / P23G / P23G001Dell Inspiron 14z N411z / P23G...
RTC CMOS Battery for Dell Inspiron 13z N311z / P17S / P17S001

RTC CMOS Battery for Dell Inspiron 13z N311z / P17S / P17S001

£4.68
Limited Time International Shipping Promo ̶$̶1̶3̶.̶9̶9̶ - $5 Flat Fee High-quality and reliable CMOS battery for your Dell Inspiron 13z N311z / P17S / P17S001Dell Inspiron 13z N311z / P17S...

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.