CMOS Batteries

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RTC CMOS Battery for Acer Aspire One 722

RTC CMOS Battery for Acer Aspire One 722

£4.84
Limited Time International Shipping Promo ̶$̶1̶3̶.̶9̶9̶ - $5 Flat Fee High-quality and reliable CMOS battery for your Acer Aspire One 722Acer Aspire One 722 CMOS batteries are the highest-quality lithium-ion...
RTC CMOS Battery for Acer Aspire 5 A515-58MT

RTC CMOS Battery for Acer Aspire 5 A515-58MT

£8.87
Limited Time International Shipping Promo ̶$̶1̶3̶.̶9̶9̶ - $5 Flat Fee High-quality and reliable CMOS battery for your Acer Aspire 5 A515-58MTAcer Aspire 5 A515-58MT CMOS batteries are the highest-quality lithium-ion...
RTC CMOS Battery for Acer Aspire 3 A315-32

RTC CMOS Battery for Acer Aspire 3 A315-32

£5.64
Limited Time International Shipping Promo ̶$̶1̶3̶.̶9̶9̶ - $5 Flat Fee High-quality and reliable CMOS battery for your Acer Aspire 3 A315-32Acer Aspire 3 A315-32 CMOS batteries are the highest-quality lithium-ion...
RTC CMOS Battery for Acer Aspire Z24-890 D18W8

RTC CMOS Battery for Acer Aspire Z24-890 D18W8

£8.87
Limited Time International Shipping Promo ̶$̶1̶3̶.̶9̶9̶ - $5 Flat Fee High-quality and reliable CMOS battery for your Acer Aspire Z24-890 D18W8Acer Aspire Z24-890 D18W8 CMOS batteries are the highest-quality lithium-ion...
RTC CMOS Battery for Acer Aspire XC-830 Desktop

RTC CMOS Battery for Acer Aspire XC-830 Desktop

£4.84
Limited Time International Shipping Promo ̶$̶1̶3̶.̶9̶9̶ - $5 Flat Fee High-quality and reliable CMOS battery for your Acer Aspire XC-830 DesktopAcer Aspire XC-830 Desktop CMOS batteries are the highest-quality lithium-ion...
RTC CMOS Battery for Acer Aspire X3200 Desktop

RTC CMOS Battery for Acer Aspire X3200 Desktop

£4.84
Limited Time International Shipping Promo ̶$̶1̶3̶.̶9̶9̶ - $5 Flat Fee High-quality and reliable CMOS battery for your Acer Aspire X3200 DesktopAcer Aspire X3200 Desktop CMOS batteries are the highest-quality lithium-ion...
RTC CMOS Battery for Acer Aspire X1301 Desktop

RTC CMOS Battery for Acer Aspire X1301 Desktop

£4.84
Limited Time International Shipping Promo ̶$̶1̶3̶.̶9̶9̶ - $5 Flat Fee High-quality and reliable CMOS battery for your Acer Aspire X1301 DesktopAcer Aspire X1301 Desktop CMOS batteries are the highest-quality lithium-ion...
RTC CMOS Battery for Acer Aspire X1300 Desktop

RTC CMOS Battery for Acer Aspire X1300 Desktop

£4.84
Limited Time International Shipping Promo ̶$̶1̶3̶.̶9̶9̶ - $5 Flat Fee High-quality and reliable CMOS battery for your Acer Aspire X1300 DesktopAcer Aspire X1300 Desktop CMOS batteries are the highest-quality lithium-ion...
RTC CMOS Battery for Acer Aspire X1200 Desktop

RTC CMOS Battery for Acer Aspire X1200 Desktop

£4.84
Limited Time International Shipping Promo ̶$̶1̶3̶.̶9̶9̶ - $5 Flat Fee High-quality and reliable CMOS battery for your Acer Aspire X1200 DesktopAcer Aspire X1200 Desktop CMOS batteries are the highest-quality lithium-ion...
RTC CMOS Battery for Acer Aspire VN7-793

RTC CMOS Battery for Acer Aspire VN7-793

£4.84
Limited Time International Shipping Promo ̶$̶1̶3̶.̶9̶9̶ - $5 Flat Fee High-quality and reliable CMOS battery for your Acer Aspire VN7-793Acer Aspire VN7-793 CMOS batteries are the highest-quality lithium-ion batteries on...
RTC CMOS Battery for Acer Aspire V5-471P

RTC CMOS Battery for Acer Aspire V5-471P

£8.87
Limited Time International Shipping Promo ̶$̶1̶3̶.̶9̶9̶ - $5 Flat Fee High-quality and reliable CMOS battery for your Acer Aspire V5-471PAcer Aspire V5-471P CMOS batteries are the highest-quality lithium-ion batteries on...
RTC CMOS Battery for Acer Aspire V5-471

RTC CMOS Battery for Acer Aspire V5-471

£8.87
Limited Time International Shipping Promo ̶$̶1̶3̶.̶9̶9̶ - $5 Flat Fee High-quality and reliable CMOS battery for your Acer Aspire V5-471Acer Aspire V5-471 CMOS batteries are the highest-quality lithium-ion batteries on...

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.