CMOS Batteries

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RTC CMOS Battery for Dell PowerEdge T440

RTC CMOS Battery for Dell PowerEdge T440

$10.99
Limited Time International Shipping Promo ̶$̶1̶3̶.̶9̶9̶ - $5 Flat FeeHigh-quality and reliable CMOS battery for your Dell PowerEdge T440Dell PowerEdge T440 CMOS batteries are the highest-quality lithium-ion batteries on the...
RTC CMOS Battery for Dell PowerEdge T430

RTC CMOS Battery for Dell PowerEdge T430

$10.99
Limited Time International Shipping Promo ̶$̶1̶3̶.̶9̶9̶ - $5 Flat FeeHigh-quality and reliable CMOS battery for your Dell PowerEdge T430Dell PowerEdge T430 CMOS batteries are the highest-quality lithium-ion batteries on the...
RTC CMOS Battery for Dell PowerEdge T420

RTC CMOS Battery for Dell PowerEdge T420

$10.99
Limited Time International Shipping Promo ̶$̶1̶3̶.̶9̶9̶ - $5 Flat FeeHigh-quality and reliable CMOS battery for your Dell PowerEdge T420Dell PowerEdge T420 CMOS batteries are the highest-quality lithium-ion batteries on the...
RTC CMOS Battery for Dell PowerEdge T410

RTC CMOS Battery for Dell PowerEdge T410

$10.99
Limited Time International Shipping Promo ̶$̶1̶3̶.̶9̶9̶ - $5 Flat FeeHigh-quality and reliable CMOS battery for your Dell PowerEdge T410Dell PowerEdge T410 CMOS batteries are the highest-quality lithium-ion batteries on the...
RTC CMOS Battery for Dell PowerEdge T350

RTC CMOS Battery for Dell PowerEdge T350

$10.99
Limited Time International Shipping Promo ̶$̶1̶3̶.̶9̶9̶ - $5 Flat FeeHigh-quality and reliable CMOS battery for your Dell PowerEdge T350Dell PowerEdge T350 CMOS batteries are the highest-quality lithium-ion batteries on the...
RTC CMOS Battery for Dell PowerEdge T330

RTC CMOS Battery for Dell PowerEdge T330

$10.99
Limited Time International Shipping Promo ̶$̶1̶3̶.̶9̶9̶ - $5 Flat FeeHigh-quality and reliable CMOS battery for your Dell PowerEdge T330Dell PowerEdge T330 CMOS batteries are the highest-quality lithium-ion batteries on the...
RTC CMOS Battery for Dell PowerEdge T310

RTC CMOS Battery for Dell PowerEdge T310

$10.99
Limited Time International Shipping Promo ̶$̶1̶3̶.̶9̶9̶ - $5 Flat FeeHigh-quality and reliable CMOS battery for your Dell PowerEdge T310Dell PowerEdge T310 CMOS batteries are the highest-quality lithium-ion batteries on the...
RTC CMOS Battery for Dell PowerEdge T300

RTC CMOS Battery for Dell PowerEdge T300

$10.99
Limited Time International Shipping Promo ̶$̶1̶3̶.̶9̶9̶ - $5 Flat FeeHigh-quality and reliable CMOS battery for your Dell PowerEdge T300Dell PowerEdge T300 CMOS batteries are the highest-quality lithium-ion batteries on the...
RTC CMOS Battery for Dell PowerEdge T150

RTC CMOS Battery for Dell PowerEdge T150

$10.99
Limited Time International Shipping Promo ̶$̶1̶3̶.̶9̶9̶ - $5 Flat FeeHigh-quality and reliable CMOS battery for your Dell PowerEdge T150Dell PowerEdge T150 CMOS batteries are the highest-quality lithium-ion batteries on the...
RTC CMOS Battery for Dell PowerEdge T140

RTC CMOS Battery for Dell PowerEdge T140

$10.99
Limited Time International Shipping Promo ̶$̶1̶3̶.̶9̶9̶ - $5 Flat FeeHigh-quality and reliable CMOS battery for your Dell PowerEdge T140Dell PowerEdge T140 CMOS batteries are the highest-quality lithium-ion batteries on the...
RTC CMOS Battery for Dell PowerEdge T130

RTC CMOS Battery for Dell PowerEdge T130

$10.99
Limited Time International Shipping Promo ̶$̶1̶3̶.̶9̶9̶ - $5 Flat FeeHigh-quality and reliable CMOS battery for your Dell PowerEdge T130Dell PowerEdge T130 CMOS batteries are the highest-quality lithium-ion batteries on the...
RTC CMOS Battery for Dell PowerEdge T110 II

RTC CMOS Battery for Dell PowerEdge T110 II

$10.99
Limited Time International Shipping Promo ̶$̶1̶3̶.̶9̶9̶ - $5 Flat FeeHigh-quality and reliable CMOS battery for your Dell PowerEdge T110 IIDell PowerEdge T110 II CMOS 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.