CMOS Batteries

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RTC CMOS Battery for Acer Aspire 5935G

RTC CMOS Battery for Acer Aspire 5935G

£8.89
Limited Time International Shipping Promo ̶$̶1̶3̶.̶9̶9̶ - $5 Flat FeeHigh-quality and reliable CMOS battery for your Acer Aspire 5935GAcer Aspire 5935G CMOS batteries are the highest-quality lithium-ion batteries on the...
RTC CMOS Battery for Acer Aspire 5935

RTC CMOS Battery for Acer Aspire 5935

£8.89
Limited Time International Shipping Promo ̶$̶1̶3̶.̶9̶9̶ - $5 Flat FeeHigh-quality and reliable CMOS battery for your Acer Aspire 5935Acer Aspire 5935 CMOS batteries are the highest-quality lithium-ion batteries on the...
RTC CMOS Battery for Acer TravelMate 8471

RTC CMOS Battery for Acer TravelMate 8471

£8.89
Limited Time International Shipping Promo ̶$̶1̶3̶.̶9̶9̶ - $5 Flat FeeHigh-quality and reliable CMOS battery for your Acer TravelMate 8471Acer TravelMate 8471 CMOS batteries are the highest-quality lithium-ion batteries on the...
RTC CMOS Battery for Acer Swift 3 SF315-41G

RTC CMOS Battery for Acer Swift 3 SF315-41G

£8.89
Limited Time International Shipping Promo ̶$̶1̶3̶.̶9̶9̶ - $5 Flat FeeHigh-quality and reliable CMOS battery for your Acer Swift 3 SF315-41GAcer Swift 3 SF315-41G CMOS batteries are the highest-quality lithium-ion batteries...
RTC CMOS Battery for Acer Swift 3 SF315-41

RTC CMOS Battery for Acer Swift 3 SF315-41

£8.89
Limited Time International Shipping Promo ̶$̶1̶3̶.̶9̶9̶ - $5 Flat FeeHigh-quality and reliable CMOS battery for your Acer Swift 3 SF315-41Acer Swift 3 SF315-41 CMOS batteries are the highest-quality lithium-ion batteries...
RTC CMOS Battery for Acer Aspire 5745P

RTC CMOS Battery for Acer Aspire 5745P

£8.89
Limited Time International Shipping Promo ̶$̶1̶3̶.̶9̶9̶ - $5 Flat FeeHigh-quality and reliable CMOS battery for your Acer Aspire 5745PAcer Aspire 5745P CMOS batteries are the highest-quality lithium-ion batteries on the...
RTC CMOS Battery for Acer Aspire 5745

RTC CMOS Battery for Acer Aspire 5745

£8.89
Limited Time International Shipping Promo ̶$̶1̶3̶.̶9̶9̶ - $5 Flat FeeHigh-quality and reliable CMOS battery for your Acer Aspire 5745Acer Aspire 5745 CMOS batteries are the highest-quality lithium-ion batteries on the...
RTC CMOS Battery for Acer Aspire 5553G

RTC CMOS Battery for Acer Aspire 5553G

£8.89
Limited Time International Shipping Promo ̶$̶1̶3̶.̶9̶9̶ - $5 Flat FeeHigh-quality and reliable CMOS battery for your Acer Aspire 5553GAcer Aspire 5553G CMOS batteries are the highest-quality lithium-ion batteries on the...
RTC CMOS Battery for Acer Aspire 5553

RTC CMOS Battery for Acer Aspire 5553

£8.89
Limited Time International Shipping Promo ̶$̶1̶3̶.̶9̶9̶ - $5 Flat FeeHigh-quality and reliable CMOS battery for your Acer Aspire 5553Acer Aspire 5553 CMOS batteries are the highest-quality lithium-ion batteries on the...
RTC CMOS Battery for Acer Aspire 4745

RTC CMOS Battery for Acer Aspire 4745

£8.89
Limited Time International Shipping Promo ̶$̶1̶3̶.̶9̶9̶ - $5 Flat FeeHigh-quality and reliable CMOS battery for your Acer Aspire 4745Acer Aspire 4745 CMOS batteries are the highest-quality lithium-ion batteries on the...
RTC CMOS Battery for Acer Aspire 4553

RTC CMOS Battery for Acer Aspire 4553

£8.89
Limited Time International Shipping Promo ̶$̶1̶3̶.̶9̶9̶ - $5 Flat FeeHigh-quality and reliable CMOS battery for your Acer Aspire 4553Acer Aspire 4553 CMOS batteries are the highest-quality lithium-ion batteries on the...
RTC CMOS Battery for Acer Aspire 5745PG

RTC CMOS Battery for Acer Aspire 5745PG

£8.89
Limited Time International Shipping Promo ̶$̶1̶3̶.̶9̶9̶ - $5 Flat FeeHigh-quality and reliable CMOS battery for your Acer Aspire 5745PGAcer Aspire 5745PG 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.