CMOS Batteries

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RTC CMOS Battery for Compaq Evo NX6110

RTC CMOS Battery for Compaq Evo NX6110

$17.01
Limited Time International Shipping Promo ̶$̶1̶3̶.̶9̶9̶ - $5 Flat FeeHigh-quality and reliable CMOS battery for your Compaq Evo NX6110Compaq Evo NX6110 CMOS batteries are the highest-quality lithium-ion batteries on the...
RTC CMOS Battery for Compaq Evo NC6320

RTC CMOS Battery for Compaq Evo NC6320

$17.01
Limited Time International Shipping Promo ̶$̶1̶3̶.̶9̶9̶ - $5 Flat FeeHigh-quality and reliable CMOS battery for your Compaq Evo NC6320Compaq Evo NC6320 CMOS batteries are the highest-quality lithium-ion batteries on the...
RTC CMOS Battery for Compaq Evo NC6120

RTC CMOS Battery for Compaq Evo NC6120

$17.01
Limited Time International Shipping Promo ̶$̶1̶3̶.̶9̶9̶ - $5 Flat FeeHigh-quality and reliable CMOS battery for your Compaq Evo NC6120Compaq Evo NC6120 CMOS batteries are the highest-quality lithium-ion batteries on the...
RTC CMOS Battery for Compaq Evo NC4010

RTC CMOS Battery for Compaq Evo NC4010

$17.01
Limited Time International Shipping Promo ̶$̶1̶3̶.̶9̶9̶ - $5 Flat FeeHigh-quality and reliable CMOS battery for your Compaq Evo NC4010Compaq Evo NC4010 CMOS batteries are the highest-quality lithium-ion batteries on the...
RTC CMOS Battery for Compaq Evo NC4000

RTC CMOS Battery for Compaq Evo NC4000

$17.01
Limited Time International Shipping Promo ̶$̶1̶3̶.̶9̶9̶ - $5 Flat FeeHigh-quality and reliable CMOS battery for your Compaq Evo NC4000Compaq Evo NC4000 CMOS batteries are the highest-quality lithium-ion batteries on the...
RTC CMOS Battery for Compaq Evo N200

RTC CMOS Battery for Compaq Evo N200

$17.01
Limited Time International Shipping Promo ̶$̶1̶3̶.̶9̶9̶ - $5 Flat FeeHigh-quality and reliable CMOS battery for your Compaq Evo N200Compaq Evo N200 CMOS batteries are the highest-quality lithium-ion batteries on the...
RTC CMOS Battery for Compaq Armada V300

RTC CMOS Battery for Compaq Armada V300

$17.01
Limited Time International Shipping Promo ̶$̶1̶3̶.̶9̶9̶ - $5 Flat FeeHigh-quality and reliable CMOS battery for your Compaq Armada V300Compaq Armada V300 CMOS batteries are the highest-quality lithium-ion batteries on the...
RTC CMOS Battery for Compaq Armada N600C

RTC CMOS Battery for Compaq Armada N600C

$17.01
Limited Time International Shipping Promo ̶$̶1̶3̶.̶9̶9̶ - $5 Flat FeeHigh-quality and reliable CMOS battery for your Compaq Armada N600CCompaq Armada N600C CMOS batteries are the highest-quality lithium-ion batteries on the...
RTC CMOS Battery for Compaq Armada N600

RTC CMOS Battery for Compaq Armada N600

$17.01
Limited Time International Shipping Promo ̶$̶1̶3̶.̶9̶9̶ - $5 Flat FeeHigh-quality and reliable CMOS battery for your Compaq Armada N600Compaq Armada N600 CMOS batteries are the highest-quality lithium-ion batteries on the...
RTC CMOS Battery for Compaq Armada M700

RTC CMOS Battery for Compaq Armada M700

$17.01
Limited Time International Shipping Promo ̶$̶1̶3̶.̶9̶9̶ - $5 Flat FeeHigh-quality and reliable CMOS battery for your Compaq Armada M700Compaq Armada M700 CMOS batteries are the highest-quality lithium-ion batteries on the...
RTC CMOS Battery for Compaq Armada M300

RTC CMOS Battery for Compaq Armada M300

$17.01
Limited Time International Shipping Promo ̶$̶1̶3̶.̶9̶9̶ - $5 Flat FeeHigh-quality and reliable CMOS battery for your Compaq Armada M300Compaq Armada M300 CMOS batteries are the highest-quality lithium-ion batteries on the...
RTC CMOS Battery for Compaq Armada E700

RTC CMOS Battery for Compaq Armada E700

$17.01
Limited Time International Shipping Promo ̶$̶1̶3̶.̶9̶9̶ - $5 Flat FeeHigh-quality and reliable CMOS battery for your Compaq Armada E700Compaq Armada E700 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.