CMOS Batteries

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RTC CMOS Battery for HP Compaq nc8230

RTC CMOS Battery for HP Compaq nc8230

£8.63
Limited Time International Shipping Promo ̶$̶1̶3̶.̶9̶9̶ - $5 Flat FeeHigh-quality and reliable CMOS battery for your HP Compaq nc8230HP Compaq nc8230 CMOS batteries are the highest-quality lithium-ion batteries on the...
RTC CMOS Battery for HP Compaq nw8240

RTC CMOS Battery for HP Compaq nw8240

£8.63
Limited Time International Shipping Promo ̶$̶1̶3̶.̶9̶9̶ - $5 Flat FeeHigh-quality and reliable CMOS battery for your HP Compaq nw8240HP Compaq nw8240 CMOS batteries are the highest-quality lithium-ion batteries on the...
RTC CMOS Battery for HP Compaq nx6110

RTC CMOS Battery for HP Compaq nx6110

£8.63
Limited Time International Shipping Promo ̶$̶1̶3̶.̶9̶9̶ - $5 Flat FeeHigh-quality and reliable CMOS battery for your HP Compaq nx6110HP Compaq nx6110 CMOS batteries are the highest-quality lithium-ion batteries on the...
RTC CMOS Battery for HP Compaq nx8220

RTC CMOS Battery for HP Compaq nx8220

£8.63
Limited Time International Shipping Promo ̶$̶1̶3̶.̶9̶9̶ - $5 Flat FeeHigh-quality and reliable CMOS battery for your HP Compaq nx8220HP Compaq nx8220 CMOS batteries are the highest-quality lithium-ion batteries on the...
RTC CMOS Battery for HP Compaq nc6230

RTC CMOS Battery for HP Compaq nc6230

£8.63
Limited Time International Shipping Promo ̶$̶1̶3̶.̶9̶9̶ - $5 Flat FeeHigh-quality and reliable CMOS battery for your HP Compaq nc6230HP Compaq nc6230 CMOS batteries are the highest-quality lithium-ion batteries on the...
RTC CMOS Battery for HP Compaq nc6320

RTC CMOS Battery for HP Compaq nc6320

£8.63
Limited Time International Shipping Promo ̶$̶1̶3̶.̶9̶9̶ - $5 Flat FeeHigh-quality and reliable CMOS battery for your HP Compaq nc6320HP Compaq nc6320 CMOS batteries are the highest-quality lithium-ion batteries on the...
RTC CMOS Battery for Panasonic Toughbook CF-33

RTC CMOS Battery for Panasonic Toughbook CF-33

£8.63
Limited Time International Shipping Promo ̶$̶1̶3̶.̶9̶9̶ - $5 Flat FeeHigh-quality and reliable CMOS battery for your Panasonic Toughbook CF-33Panasonic Toughbook CF-33 CMOS batteries are the highest-quality lithium-ion batteries on the...
RTC CMOS Battery for HP Compaq nw8000

RTC CMOS Battery for HP Compaq nw8000

£8.63
Limited Time International Shipping Promo ̶$̶1̶3̶.̶9̶9̶ - $5 Flat FeeHigh-quality and reliable CMOS battery for your HP Compaq nw8000HP Compaq nw8000 CMOS batteries are the highest-quality lithium-ion batteries on the...
RTC CMOS Battery for HP Compaq nx6120

RTC CMOS Battery for HP Compaq nx6120

£8.63
Limited Time International Shipping Promo ̶$̶1̶3̶.̶9̶9̶ - $5 Flat FeeHigh-quality and reliable CMOS battery for your HP Compaq nx6120HP Compaq nx6120 CMOS batteries are the highest-quality lithium-ion batteries on the...
RTC CMOS Battery for HP 255 G2 Notebook PC

RTC CMOS Battery for HP 255 G2 Notebook PC

£8.63
Limited Time International Shipping Promo ̶$̶1̶3̶.̶9̶9̶ - $5 Flat FeeHigh-quality and reliable CMOS battery for your HP 255 G2 Notebook PCHP 255 G2 Notebook PC CMOS batteries are the highest-quality...
RTC CMOS Battery for HP Mini 1101

RTC CMOS Battery for HP Mini 1101

£8.63
Limited Time International Shipping Promo ̶$̶1̶3̶.̶9̶9̶ - $5 Flat FeeHigh-quality and reliable CMOS battery for your HP Mini 1101HP Mini 1101 CMOS batteries are the highest-quality lithium-ion batteries on the...
RTC CMOS Battery for HP Pavilion dv3000

RTC CMOS Battery for HP Pavilion dv3000

£8.63
Limited Time International Shipping Promo ̶$̶1̶3̶.̶9̶9̶ - $5 Flat FeeHigh-quality and reliable CMOS battery for your HP Pavilion dv3000HP Pavilion dv3000 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.