CMOS Batteries

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RTC CMOS Battery for HP ZHAN 66 Pro G3 22 AIO

RTC CMOS Battery for HP ZHAN 66 Pro G3 22 AIO

$5.99
Limited Time International Shipping Promo ̶$̶1̶3̶.̶9̶9̶ - $5 Flat FeeHigh-quality and reliable CMOS coin battery for your HP ZHAN 66 Pro G3 22 AIOHP ZHAN 66 Pro G3 22 AIO...
RTC CMOS Battery for HP ZHAN 99 Pro G1 Microtower PC

RTC CMOS Battery for HP ZHAN 99 Pro G1 Microtower PC

$5.99
Limited Time International Shipping Promo ̶$̶1̶3̶.̶9̶9̶ - $5 Flat FeeHigh-quality and reliable CMOS coin battery for your HP ZHAN 99 Pro G1 Microtower PCHP ZHAN 99 Pro G1 Microtower PC...
RTC CMOS Battery for Honeywell PM43 Main Logic Board

RTC CMOS Battery for Honeywell PM43 Main Logic Board

$5.99
Limited Time International Shipping Promo ̶$̶1̶3̶.̶9̶9̶ - $5 Flat FeeHigh-quality and reliable CMOS coin battery for your Honeywell PM43 Main Logic BoardHoneywell PM43 Main Logic Board CMOS coin batteries are...
RTC CMOS Battery for Honeywell PM43c Main Logic Board

RTC CMOS Battery for Honeywell PM43c Main Logic Board

$5.99
Limited Time International Shipping Promo ̶$̶1̶3̶.̶9̶9̶ - $5 Flat FeeHigh-quality and reliable CMOS coin battery for your Honeywell PM43c Main Logic BoardHoneywell PM43c Main Logic Board CMOS coin batteries are...
RTC CMOS Battery for ASUS ET1612IUTS AIO PC

RTC CMOS Battery for ASUS ET1612IUTS AIO PC

$5.99
Limited Time International Shipping Promo ̶$̶1̶3̶.̶9̶9̶ - $5 Flat Fee High-quality and reliable CMOS coin battery for your ASUS ET1612IUTS AIO PCASUS ET1612IUTS AIO PC CMOS coin batteries are the...
RTC CMOS Battery for Compaq Evo N1050v

RTC CMOS Battery for Compaq Evo N1050v

$6.99
Limited Time International Shipping Promo ̶$̶1̶3̶.̶9̶9̶ - $5 Flat Fee High-quality and reliable CMOS coin battery for your Compaq Evo N1050vCompaq Evo N1050v CMOS coin batteries are the highest-quality lithium-ion...
RTC CMOS Battery for Compaq Evo N1010v

RTC CMOS Battery for Compaq Evo N1010v

$6.99
Limited Time International Shipping Promo ̶$̶1̶3̶.̶9̶9̶ - $5 Flat Fee High-quality and reliable CMOS coin battery for your Compaq Evo N1010vCompaq Evo N1010v CMOS coin batteries are the highest-quality lithium-ion...
RTC CMOS Battery for Compaq Presario 2500

RTC CMOS Battery for Compaq Presario 2500

$6.99
Limited Time International Shipping Promo ̶$̶1̶3̶.̶9̶9̶ - $5 Flat Fee High-quality and reliable CMOS coin battery for your Compaq Presario 2500Compaq Presario 2500 CMOS coin batteries are the highest-quality lithium-ion...
RTC CMOS Battery for Compaq Presario 2200

RTC CMOS Battery for Compaq Presario 2200

$6.99
Limited Time International Shipping Promo ̶$̶1̶3̶.̶9̶9̶ - $5 Flat Fee High-quality and reliable CMOS coin battery for your Compaq Presario 2200Compaq Presario 2200 CMOS coin batteries are the highest-quality lithium-ion...
RTC CMOS Battery for Compaq Presario 2100

RTC CMOS Battery for Compaq Presario 2100

$6.99
Limited Time International Shipping Promo ̶$̶1̶3̶.̶9̶9̶ - $5 Flat Fee High-quality and reliable CMOS coin battery for your Compaq Presario 2100Compaq Presario 2100 CMOS coin batteries are the highest-quality lithium-ion...
RTC CMOS Battery for Compaq Presario 1100

RTC CMOS Battery for Compaq Presario 1100

$6.99
Limited Time International Shipping Promo ̶$̶1̶3̶.̶9̶9̶ - $5 Flat Fee High-quality and reliable CMOS coin battery for your Compaq Presario 1100Compaq Presario 1100 CMOS coin batteries are the highest-quality lithium-ion...
RTC CMOS Battery for Gateway Solo 1100

RTC CMOS Battery for Gateway Solo 1100

$6.99
Limited Time International Shipping Promo ̶$̶1̶3̶.̶9̶9̶ - $5 Flat Fee High-quality and reliable CMOS coin battery for your Gateway Solo 1100Gateway Solo 1100 CMOS coin batteries are the highest-quality lithium-ion...

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.