CMOS Batteries

Sort by:
RTC CMOS Battery for Dell Alienware Aurora R13 / D30M / D30M002

RTC CMOS Battery for Dell Alienware Aurora R13 / D30M / D30M002

$9.27
Limited Time International Shipping Promo ̶$̶1̶3̶.̶9̶9̶ - $5 Flat Fee High-quality and reliable CMOS battery for your Dell Alienware Aurora R13 / D30M / D30M002Dell Alienware Aurora R13 / D30M...
RTC CMOS Battery for Dell Alienware Aurora R11 / D23M / D23M002

RTC CMOS Battery for Dell Alienware Aurora R11 / D23M / D23M002

$9.27
Limited Time International Shipping Promo ̶$̶1̶3̶.̶9̶9̶ - $5 Flat Fee High-quality and reliable CMOS battery for your Dell Alienware Aurora R11 / D23M / D23M002Dell Alienware Aurora R11 / D23M...
RTC CMOS Battery for Dell Alienware Aurora Ryzen Edition R10 / D23M / D23M004

RTC CMOS Battery for Dell Alienware Aurora Ryzen Edition R10 / D23M / D23M004

$9.27
Limited Time International Shipping Promo ̶$̶1̶3̶.̶9̶9̶ - $5 Flat Fee High-quality and reliable CMOS battery for your Dell Alienware Aurora Ryzen Edition R10 / D23M / D23M004Dell Alienware Aurora Ryzen...
RTC CMOS Battery for Dell Alienware Aurora R9 / D23M / D23M002

RTC CMOS Battery for Dell Alienware Aurora R9 / D23M / D23M002

$9.27
Limited Time International Shipping Promo ̶$̶1̶3̶.̶9̶9̶ - $5 Flat Fee High-quality and reliable CMOS battery for your Dell Alienware Aurora R9 / D23M / D23M002Dell Alienware Aurora R9 / D23M...
RTC CMOS Battery for Dell Alienware Aurora R8 / D23M / D23M002

RTC CMOS Battery for Dell Alienware Aurora R8 / D23M / D23M002

$9.27
Limited Time International Shipping Promo ̶$̶1̶3̶.̶9̶9̶ - $5 Flat Fee High-quality and reliable CMOS battery for your Dell Alienware Aurora R8 / D23M / D23M002Dell Alienware Aurora R8 / D23M...
RTC CMOS Battery for Dell Alienware Aurora R7 / D23M / D23M002

RTC CMOS Battery for Dell Alienware Aurora R7 / D23M / D23M002

$9.27
Limited Time International Shipping Promo ̶$̶1̶3̶.̶9̶9̶ - $5 Flat Fee High-quality and reliable CMOS battery for your Dell Alienware Aurora R7 / D23M / D23M002Dell Alienware Aurora R7 / D23M...
RTC CMOS Battery for Dell Alienware Aurora R6 / D23M / D23M001

RTC CMOS Battery for Dell Alienware Aurora R6 / D23M / D23M001

$9.27
Limited Time International Shipping Promo ̶$̶1̶3̶.̶9̶9̶ - $5 Flat Fee High-quality and reliable CMOS battery for your Dell Alienware Aurora R6 / D23M / D23M001Dell Alienware Aurora R6 / D23M...
RTC CMOS Battery for Dell Alienware Aurora R5 / D23M / D23M001

RTC CMOS Battery for Dell Alienware Aurora R5 / D23M / D23M001

$9.27
Limited Time International Shipping Promo ̶$̶1̶3̶.̶9̶9̶ - $5 Flat Fee High-quality and reliable CMOS battery for your Dell Alienware Aurora R5 / D23M / D23M001Dell Alienware Aurora R5 / D23M...
RTC CMOS Battery for Dell Alienware Aurora R4 / D01M / D01M004

RTC CMOS Battery for Dell Alienware Aurora R4 / D01M / D01M004

$9.27
Limited Time International Shipping Promo ̶$̶1̶3̶.̶9̶9̶ - $5 Flat Fee High-quality and reliable CMOS battery for your Dell Alienware Aurora R4 / D01M / D01M004Dell Alienware Aurora R4 / D01M...
RTC CMOS Battery for Dell Alienware Aurora R3 / D0IM / D0IM001 / D0IM002 / D0IM003

RTC CMOS Battery for Dell Alienware Aurora R3 / D0IM / D0IM001 / D0IM002 / D0IM003

$9.27
Limited Time International Shipping Promo ̶$̶1̶3̶.̶9̶9̶ - $5 Flat Fee High-quality and reliable CMOS battery for your Dell Alienware Aurora R3 / D0IM / D0IM001 / D0IM002 / D0IM003Dell Alienware...
RTC CMOS Battery for Dell Alienware Aurora R2 / D0IM / D0IM001 / D0IM002

RTC CMOS Battery for Dell Alienware Aurora R2 / D0IM / D0IM001 / D0IM002

$9.27
Limited Time International Shipping Promo ̶$̶1̶3̶.̶9̶9̶ - $5 Flat Fee High-quality and reliable CMOS battery for your Dell Alienware Aurora R2 / D0IM / D0IM001 / D0IM002Dell Alienware Aurora R2...
RTC CMOS Battery for Dell Alienware Aurora ALX / D0IM / D0IM001 / D0IM002

RTC CMOS Battery for Dell Alienware Aurora ALX / D0IM / D0IM001 / D0IM002

$9.27
Limited Time International Shipping Promo ̶$̶1̶3̶.̶9̶9̶ - $5 Flat Fee High-quality and reliable CMOS battery for your Dell Alienware Aurora ALX / D0IM / D0IM001 / D0IM002Dell Alienware Aurora ALX...

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.