CMOS Batteries

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RTC CMOS Battery for Dell Inspiron 1210 / PP40S

RTC CMOS Battery for Dell Inspiron 1210 / PP40S

$15.56
Limited Time International Shipping Promo ̶$̶1̶3̶.̶9̶9̶ - $5 Flat Fee High-quality and reliable CMOS battery for your Dell Inspiron 1210 / PP40SDell Inspiron 1210 / PP40S CMOS batteries are the...
RTC CMOS Battery for Dell Inspiron 1200 / PP10S

RTC CMOS Battery for Dell Inspiron 1200 / PP10S

$8.48
Limited Time International Shipping Promo ̶$̶1̶3̶.̶9̶9̶ - $5 Flat Fee High-quality and reliable CMOS battery for your Dell Inspiron 1200 / PP10SDell Inspiron 1200 / PP10S CMOS batteries are the...
RTC CMOS Battery for Dell Inspiron 1122 (M102z) / P07T / P07T003

RTC CMOS Battery for Dell Inspiron 1122 (M102z) / P07T / P07T003

$8.48
Limited Time International Shipping Promo ̶$̶1̶3̶.̶9̶9̶ - $5 Flat Fee High-quality and reliable CMOS battery for your Dell Inspiron 1122 (M102z) / P07T / P07T003Dell Inspiron 1122 (M102z) / P07T...
RTC CMOS Battery for Dell G Series G7 17 7790 / P40E / P40E001

RTC CMOS Battery for Dell G Series G7 17 7790 / P40E / P40E001

$15.56
Limited Time International Shipping Promo ̶$̶1̶3̶.̶9̶9̶ - $5 Flat Fee High-quality and reliable CMOS battery for your Dell G Series G7 17 7790 / P40E / P40E001Dell G Series G7...
RTC CMOS Battery for Dell G Series G7 17 7700 / P46E / P46E001

RTC CMOS Battery for Dell G Series G7 17 7700 / P46E / P46E001

$15.56
Limited Time International Shipping Promo ̶$̶1̶3̶.̶9̶9̶ - $5 Flat Fee High-quality and reliable CMOS battery for your Dell G Series G7 17 7700 / P46E / P46E001Dell G Series G7...
RTC CMOS Battery for Dell G Series G3 15 3579 / P75F / P75F003

RTC CMOS Battery for Dell G Series G3 15 3579 / P75F / P75F003

$8.48
Limited Time International Shipping Promo ̶$̶1̶3̶.̶9̶9̶ - $5 Flat Fee High-quality and reliable CMOS battery for your Dell G Series G3 15 3579 / P75F / P75F003Dell G Series G3...
RTC CMOS Battery for Dell Inspiron Chromebook 11 3181 / P26T / P26T002

RTC CMOS Battery for Dell Inspiron Chromebook 11 3181 / P26T / P26T002

$15.56
Limited Time International Shipping Promo ̶$̶1̶3̶.̶9̶9̶ - $5 Flat Fee High-quality and reliable CMOS battery for your Dell Inspiron Chromebook 11 3181 / P26T / P26T002Dell Inspiron Chromebook 11 3181...
RTC CMOS Battery for Dell Chromebook 11 3180 / P26T / P26T002

RTC CMOS Battery for Dell Chromebook 11 3180 / P26T / P26T002

$15.56
Limited Time International Shipping Promo ̶$̶1̶3̶.̶9̶9̶ - $5 Flat Fee High-quality and reliable CMOS battery for your Dell Chromebook 11 3180 / P26T / P26T002Dell Chromebook 11 3180 / P26T...
RTC CMOS Battery for Dell Alienware x51 R3 / D05S / D05S003

RTC CMOS Battery for Dell Alienware x51 R3 / D05S / D05S003

$15.56
Limited Time International Shipping Promo ̶$̶1̶3̶.̶9̶9̶ - $5 Flat Fee High-quality and reliable CMOS battery for your Dell Alienware x51 R3 / D05S / D05S003Dell Alienware x51 R3 / D05S...
RTC CMOS Battery for Dell Alienware X51 / D05S / D05S001

RTC CMOS Battery for Dell Alienware X51 / D05S / D05S001

$15.56
Limited Time International Shipping Promo ̶$̶1̶3̶.̶9̶9̶ - $5 Flat Fee High-quality and reliable CMOS battery for your Dell Alienware X51 / D05S / D05S001Dell Alienware X51 / D05S / D05S001...
RTC CMOS Battery for Dell Alienware M18x R2 / P12E / P12E002

RTC CMOS Battery for Dell Alienware M18x R2 / P12E / P12E002

$15.56
Limited Time International Shipping Promo ̶$̶1̶3̶.̶9̶9̶ - $5 Flat Fee High-quality and reliable CMOS battery for your Dell Alienware M18x R2 / P12E / P12E002Dell Alienware M18x R2 / P12E...
RTC CMOS Battery for Dell Alienware M18x / P12E / P12E001

RTC CMOS Battery for Dell Alienware M18x / P12E / P12E001

$15.56
Limited Time International Shipping Promo ̶$̶1̶3̶.̶9̶9̶ - $5 Flat Fee High-quality and reliable CMOS battery for your Dell Alienware M18x / P12E / P12E001Dell Alienware M18x / P12E / P12E001...

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.