CMOS Batteries

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RTC CMOS Battery for Dell Precision 5530 / P56F / P56F002

RTC CMOS Battery for Dell Precision 5530 / P56F / P56F002

$18.72
Limited Time International Shipping Promo ̶$̶1̶3̶.̶9̶9̶ - $5 Flat Fee High-quality and reliable CMOS battery for your Dell Precision 5530 / P56F / P56F002Dell Precision 5530 / P56F / P56F002...
RTC CMOS Battery for Dell Precision 5520 / P56F / P56F001

RTC CMOS Battery for Dell Precision 5520 / P56F / P56F001

$18.72
Limited Time International Shipping Promo ̶$̶1̶3̶.̶9̶9̶ - $5 Flat Fee High-quality and reliable CMOS battery for your Dell Precision 5520 / P56F / P56F001Dell Precision 5520 / P56F / P56F001...
RTC CMOS Battery for Dell Precision 5510 / P56F / P56F001

RTC CMOS Battery for Dell Precision 5510 / P56F / P56F001

$18.72
Limited Time International Shipping Promo ̶$̶1̶3̶.̶9̶9̶ - $5 Flat Fee High-quality and reliable CMOS battery for your Dell Precision 5510 / P56F / P56F001Dell Precision 5510 / P56F / P56F001...
RTC CMOS Battery for Dell Precision 3680 Tower Desktop / D30M / D30M001

RTC CMOS Battery for Dell Precision 3680 Tower Desktop / D30M / D30M001

$9.35
Limited Time International Shipping Promo ̶$̶1̶3̶.̶9̶9̶ - $5 Flat Fee High-quality and reliable CMOS battery for your Dell Precision 3680 Tower Desktop / D30M / D30M001Dell Precision 3680 Tower Desktop...
RTC CMOS Battery for Dell Precision 3660 Tower Desktop / D30M / D30M001

RTC CMOS Battery for Dell Precision 3660 Tower Desktop / D30M / D30M001

$9.35
Limited Time International Shipping Promo ̶$̶1̶3̶.̶9̶9̶ - $5 Flat Fee High-quality and reliable CMOS battery for your Dell Precision 3660 Tower Desktop / D30M / D30M001Dell Precision 3660 Tower Desktop...
RTC CMOS Battery for Dell Precision 3650 Tower Desktop / D24M / D24M005

RTC CMOS Battery for Dell Precision 3650 Tower Desktop / D24M / D24M005

$9.35
Limited Time International Shipping Promo ̶$̶1̶3̶.̶9̶9̶ - $5 Flat Fee High-quality and reliable CMOS battery for your Dell Precision 3650 Tower Desktop / D24M / D24M005Dell Precision 3650 Tower Desktop...
RTC CMOS Battery for Dell Precision 3640 Tower Desktop / D24M / D24M004

RTC CMOS Battery for Dell Precision 3640 Tower Desktop / D24M / D24M004

$9.35
Limited Time International Shipping Promo ̶$̶1̶3̶.̶9̶9̶ - $5 Flat Fee High-quality and reliable CMOS battery for your Dell Precision 3640 Tower Desktop / D24M / D24M004Dell Precision 3640 Tower Desktop...
RTC CMOS Battery for Dell Precision 3630 Tower Desktop / D24M / D24M003

RTC CMOS Battery for Dell Precision 3630 Tower Desktop / D24M / D24M003

$9.35
Limited Time International Shipping Promo ̶$̶1̶3̶.̶9̶9̶ - $5 Flat Fee High-quality and reliable CMOS battery for your Dell Precision 3630 Tower Desktop / D24M / D24M003Dell Precision 3630 Tower Desktop...
RTC CMOS Battery for Dell Precision 3591 / P127F / P127F004

RTC CMOS Battery for Dell Precision 3591 / P127F / P127F004

$17.16
Limited Time International Shipping Promo ̶$̶1̶3̶.̶9̶9̶ - $5 Flat Fee High-quality and reliable CMOS battery for your Dell Precision 3591 / P127F / P127F004Dell Precision 3591 / P127F / P127F004...
RTC CMOS Battery for Dell Precision 3590 / P127F / P127F003

RTC CMOS Battery for Dell Precision 3590 / P127F / P127F003

$17.16
Limited Time International Shipping Promo ̶$̶1̶3̶.̶9̶9̶ - $5 Flat Fee High-quality and reliable CMOS battery for your Dell Precision 3590 / P127F / P127F003Dell Precision 3590 / P127F / P127F003...
RTC CMOS Battery for Dell Precision 3581 / P127F / P127F002

RTC CMOS Battery for Dell Precision 3581 / P127F / P127F002

$17.16
Limited Time International Shipping Promo ̶$̶1̶3̶.̶9̶9̶ - $5 Flat Fee High-quality and reliable CMOS battery for your Dell Precision 3581 / P127F / P127F002Dell Precision 3581 / P127F / P127F002...
RTC CMOS Battery for Dell Precision 3580 / P127F / P127F001

RTC CMOS Battery for Dell Precision 3580 / P127F / P127F001

$17.16
Limited Time International Shipping Promo ̶$̶1̶3̶.̶9̶9̶ - $5 Flat Fee High-quality and reliable CMOS battery for your Dell Precision 3580 / P127F / P127F001Dell Precision 3580 / P127F / P127F001...

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.