CMOS Batteries

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RTC CMOS Battery for Acer TravelMate 620

RTC CMOS Battery for Acer TravelMate 620

£8.91
Limited Time International Shipping Promo ̶$̶1̶3̶.̶9̶9̶ - $5 Flat FeeHigh-quality and reliable CMOS battery for your Acer TravelMate 620Acer TravelMate 620 CMOS batteries are the highest-quality lithium-ion batteries on the...
RTC CMOS Battery for ASUS Eee PC 1005HA-BLK140X

RTC CMOS Battery for ASUS Eee PC 1005HA-BLK140X

£8.91
Limited Time International Shipping Promo ̶$̶1̶3̶.̶9̶9̶ - $5 Flat FeeHigh-quality and reliable CMOS battery for your ASUS Eee PC 1005HA-BLK140XASUS Eee PC 1005HA-BLK140X CMOS batteries are the highest-quality lithium-ion batteries...
RTC CMOS Battery for Acer TravelMate 4000

RTC CMOS Battery for Acer TravelMate 4000

£8.91
Limited Time International Shipping Promo ̶$̶1̶3̶.̶9̶9̶ - $5 Flat FeeHigh-quality and reliable CMOS battery for your Acer TravelMate 4000Acer TravelMate 4000 CMOS batteries are the highest-quality lithium-ion batteries on the...
RTC CMOS Battery for Acer TravelMate 382TCi

RTC CMOS Battery for Acer TravelMate 382TCi

£8.91
Limited Time International Shipping Promo ̶$̶1̶3̶.̶9̶9̶ - $5 Flat FeeHigh-quality and reliable CMOS battery for your Acer TravelMate 382TCiAcer TravelMate 382TCi CMOS batteries are the highest-quality lithium-ion batteries on the...
RTC CMOS Battery for Acer TravelMate 380

RTC CMOS Battery for Acer TravelMate 380

£8.91
Limited Time International Shipping Promo ̶$̶1̶3̶.̶9̶9̶ - $5 Flat FeeHigh-quality and reliable CMOS battery for your Acer TravelMate 380Acer TravelMate 380 CMOS batteries are the highest-quality lithium-ion batteries on the...
RTC CMOS Battery for Acer TravelMate 372TCi

RTC CMOS Battery for Acer TravelMate 372TCi

£8.91
Limited Time International Shipping Promo ̶$̶1̶3̶.̶9̶9̶ - $5 Flat FeeHigh-quality and reliable CMOS battery for your Acer TravelMate 372TCiAcer TravelMate 372TCi CMOS batteries are the highest-quality lithium-ion batteries on the...
RTC CMOS Battery for ASUS Eee PC 1002HA

RTC CMOS Battery for ASUS Eee PC 1002HA

£8.91
Limited Time International Shipping Promo ̶$̶1̶3̶.̶9̶9̶ - $5 Flat FeeHigh-quality and reliable CMOS battery for your ASUS Eee PC 1002HAASUS Eee PC 1002HA CMOS batteries are the highest-quality lithium-ion batteries...
RTC CMOS Battery for Acer TravelMate 371TCi

RTC CMOS Battery for Acer TravelMate 371TCi

£8.91
Limited Time International Shipping Promo ̶$̶1̶3̶.̶9̶9̶ - $5 Flat FeeHigh-quality and reliable CMOS battery for your Acer TravelMate 371TCiAcer TravelMate 371TCi CMOS batteries are the highest-quality lithium-ion batteries on the...
RTC CMOS Battery for Acer TravelMate 370

RTC CMOS Battery for Acer TravelMate 370

£8.91
Limited Time International Shipping Promo ̶$̶1̶3̶.̶9̶9̶ - $5 Flat FeeHigh-quality and reliable CMOS battery for your Acer TravelMate 370Acer TravelMate 370 CMOS batteries are the highest-quality lithium-ion batteries on the...
RTC CMOS Battery for Acer TravelMate 280

RTC CMOS Battery for Acer TravelMate 280

£8.91
Limited Time International Shipping Promo ̶$̶1̶3̶.̶9̶9̶ - $5 Flat FeeHigh-quality and reliable CMOS battery for your Acer TravelMate 280Acer TravelMate 280 CMOS batteries are the highest-quality lithium-ion batteries on the...
RTC CMOS Battery for Acer TravelMate 230X

RTC CMOS Battery for Acer TravelMate 230X

£8.91
Limited Time International Shipping Promo ̶$̶1̶3̶.̶9̶9̶ - $5 Flat FeeHigh-quality and reliable CMOS battery for your Acer TravelMate 230XAcer TravelMate 230X CMOS batteries are the highest-quality lithium-ion batteries on the...
RTC CMOS Battery for Acer TravelMate 230

RTC CMOS Battery for Acer TravelMate 230

£8.91
Limited Time International Shipping Promo ̶$̶1̶3̶.̶9̶9̶ - $5 Flat FeeHigh-quality and reliable CMOS battery for your Acer TravelMate 230Acer TravelMate 230 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.