CMOS Batteries

Sort by:
RTC CMOS Battery for HP Compaq Evo N610v Series

RTC CMOS Battery for HP Compaq Evo N610v Series

$5.99
Limited Time International Shipping Promo ̶$̶1̶3̶.̶9̶9̶ - $5 Flat FeeHigh-quality and reliable CMOS coin battery for your HP Compaq Evo N610v SeriesHP Compaq Evo N610v Series CMOS coin batteries are...
RTC CMOS Battery for HP Pavilion dv1000

RTC CMOS Battery for HP Pavilion dv1000

$5.99
Limited Time International Shipping Promo ̶$̶1̶3̶.̶9̶9̶ - $5 Flat FeeHigh-quality and reliable CMOS coin battery for your HP Pavilion dv1000HP Pavilion dv1000 CMOS coin batteries are the highest-quality lithium-ion batteries...
RTC CMOS Battery for HP Compaq nx4800

RTC CMOS Battery for HP Compaq nx4800

$5.99
Limited Time International Shipping Promo ̶$̶1̶3̶.̶9̶9̶ - $5 Flat FeeHigh-quality and reliable CMOS coin battery for your HP Compaq nx4800HP Compaq nx4800 CMOS coin batteries are the highest-quality lithium-ion batteries...
RTC CMOS Battery for HP Compaq Presario V5000

RTC CMOS Battery for HP Compaq Presario V5000

$5.99
Limited Time International Shipping Promo ̶$̶1̶3̶.̶9̶9̶ - $5 Flat FeeHigh-quality and reliable CMOS coin battery for your HP Compaq Presario V5000HP Compaq Presario V5000 CMOS coin batteries are the highest-quality...
RTC CMOS Battery for HP 2140 Mini-Note PC

RTC CMOS Battery for HP 2140 Mini-Note PC

$5.99
Limited Time International Shipping Promo ̶$̶1̶3̶.̶9̶9̶ - $5 Flat FeeHigh-quality and reliable CMOS coin battery for your HP 2140 Mini-Note PCHP 2140 Mini-Note PC CMOS coin batteries are the highest-quality...
RTC CMOS Battery for HP Mini 2102

RTC CMOS Battery for HP Mini 2102

$5.99
Limited Time International Shipping Promo ̶$̶1̶3̶.̶9̶9̶ - $5 Flat FeeHigh-quality and reliable CMOS coin battery for your HP Mini 2102HP Mini 2102 CMOS coin batteries are the highest-quality lithium-ion batteries...
RTC CMOS Battery for HP Compaq Mini 210

RTC CMOS Battery for HP Compaq Mini 210

$5.99
Limited Time International Shipping Promo ̶$̶1̶3̶.̶9̶9̶ - $5 Flat FeeHigh-quality and reliable CMOS coin battery for your HP Compaq Mini 210HP Compaq Mini 210 CMOS coin batteries are the highest-quality...
RTC CMOS Battery for HP EliteDesk 800 G2

RTC CMOS Battery for HP EliteDesk 800 G2

$5.99
Limited Time International Shipping Promo ̶$̶1̶3̶.̶9̶9̶ - $5 Flat FeeHigh-quality and reliable CMOS coin battery for your HP EliteDesk 800 G2HP EliteDesk 800 G2 CMOS coin batteries are the highest-quality...
RTC CMOS Battery for HP EliteDesk 705 G2

RTC CMOS Battery for HP EliteDesk 705 G2

$5.99
Limited Time International Shipping Promo ̶$̶1̶3̶.̶9̶9̶ - $5 Flat FeeHigh-quality and reliable CMOS coin battery for your HP EliteDesk 705 G2HP EliteDesk 705 G2 CMOS coin batteries are the highest-quality...
RTC CMOS Battery for HP ProDesk 600 G2

RTC CMOS Battery for HP ProDesk 600 G2

$5.99
Limited Time International Shipping Promo ̶$̶1̶3̶.̶9̶9̶ - $5 Flat FeeHigh-quality and reliable CMOS coin battery for your HP ProDesk 600 G2HP ProDesk 600 G2 CMOS coin batteries are the highest-quality...
RTC CMOS Battery for HP ProDesk 400 G2

RTC CMOS Battery for HP ProDesk 400 G2

$5.99
Limited Time International Shipping Promo ̶$̶1̶3̶.̶9̶9̶ - $5 Flat FeeHigh-quality and reliable CMOS coin battery for your HP ProDesk 400 G2HP ProDesk 400 G2 CMOS coin batteries are the highest-quality...
RTC CMOS Battery for HP MP9 G2

RTC CMOS Battery for HP MP9 G2

$5.99
Limited Time International Shipping Promo ̶$̶1̶3̶.̶9̶9̶ - $5 Flat FeeHigh-quality and reliable CMOS coin battery for your HP MP9 G2HP MP9 G2 CMOS coin batteries are the highest-quality lithium-ion batteries...

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.