CMOS Batteries

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RTC CMOS Battery for Dell Inspiron 13 5310 / P145G / P145G001

RTC CMOS Battery for Dell Inspiron 13 5310 / P145G / P145G001

$17.16
Limited Time International Shipping Promo ̶$̶1̶3̶.̶9̶9̶ - $5 Flat Fee High-quality and reliable CMOS battery for your Dell Inspiron 13 5310 / P145G / P145G001Dell Inspiron 13 5310 / P145G...
RTC CMOS Battery for Dell Inspiron 13 5300 / P121G / P121G001

RTC CMOS Battery for Dell Inspiron 13 5300 / P121G / P121G001

$17.16
Limited Time International Shipping Promo ̶$̶1̶3̶.̶9̶9̶ - $5 Flat Fee High-quality and reliable CMOS battery for your Dell Inspiron 13 5300 / P121G / P121G001Dell Inspiron 13 5300 / P121G...
RTC CMOS Battery for Dell Inspiron 11 3195 2-in-1 / P31T / P31T001

RTC CMOS Battery for Dell Inspiron 11 3195 2-in-1 / P31T / P31T001

$17.16
Limited Time International Shipping Promo ̶$̶1̶3̶.̶9̶9̶ - $5 Flat Fee High-quality and reliable CMOS battery for your Dell Inspiron 11 3195 2-in-1 / P31T / P31T001Dell Inspiron 11 3195 2-in-1...
RTC CMOS Battery for Dell Inspiron 11 3185 2-in-1 / P25T / P25T003

RTC CMOS Battery for Dell Inspiron 11 3185 2-in-1 / P25T / P25T003

$17.16
Limited Time International Shipping Promo ̶$̶1̶3̶.̶9̶9̶ - $5 Flat Fee High-quality and reliable CMOS battery for your Dell Inspiron 11 3185 2-in-1 / P25T / P25T003Dell Inspiron 11 3185 2-in-1...
RTC CMOS Battery for Dell Inspiron 11 3180 / P24T / P24T003

RTC CMOS Battery for Dell Inspiron 11 3180 / P24T / P24T003

$17.16
Limited Time International Shipping Promo ̶$̶1̶3̶.̶9̶9̶ - $5 Flat Fee High-quality and reliable CMOS battery for your Dell Inspiron 11 3180 / P24T / P24T003Dell Inspiron 11 3180 / P24T...
RTC CMOS Battery for Dell Inspiron 11 3179 / P25T / P25T002

RTC CMOS Battery for Dell Inspiron 11 3179 / P25T / P25T002

$17.16
Limited Time International Shipping Promo ̶$̶1̶3̶.̶9̶9̶ - $5 Flat Fee High-quality and reliable CMOS battery for your Dell Inspiron 11 3179 / P25T / P25T002Dell Inspiron 11 3179 / P25T...
RTC CMOS Battery for Dell Inspiron 11 3169 / P25T / P25T002

RTC CMOS Battery for Dell Inspiron 11 3169 / P25T / P25T002

$17.16
Limited Time International Shipping Promo ̶$̶1̶3̶.̶9̶9̶ - $5 Flat Fee High-quality and reliable CMOS battery for your Dell Inspiron 11 3169 / P25T / P25T002Dell Inspiron 11 3169 / P25T...
RTC CMOS Battery for Dell Inspiron 11 3164 / P24T / P24T001

RTC CMOS Battery for Dell Inspiron 11 3164 / P24T / P24T001

$17.16
Limited Time International Shipping Promo ̶$̶1̶3̶.̶9̶9̶ - $5 Flat Fee High-quality and reliable CMOS battery for your Dell Inspiron 11 3164 / P24T / P24T001Dell Inspiron 11 3164 / P24T...
RTC CMOS Battery for Dell Inspiron 11 3158 2-in-1 / P20T / P20T004

RTC CMOS Battery for Dell Inspiron 11 3158 2-in-1 / P20T / P20T004

$9.35
Limited Time International Shipping Promo ̶$̶1̶3̶.̶9̶9̶ - $5 Flat Fee High-quality and reliable CMOS battery for your Dell Inspiron 11 3158 2-in-1 / P20T / P20T004Dell Inspiron 11 3158 2-in-1...
RTC CMOS Battery for Dell Inspiron 11 3153 2-in-1 / P20T / P20T004

RTC CMOS Battery for Dell Inspiron 11 3153 2-in-1 / P20T / P20T004

$9.35
Limited Time International Shipping Promo ̶$̶1̶3̶.̶9̶9̶ - $5 Flat Fee High-quality and reliable CMOS battery for your Dell Inspiron 11 3153 2-in-1 / P20T / P20T004Dell Inspiron 11 3153 2-in-1...
RTC CMOS Battery for Dell Inspiron 11 3152 2-in-1 / P20T / P20T003

RTC CMOS Battery for Dell Inspiron 11 3152 2-in-1 / P20T / P20T003

$9.35
Limited Time International Shipping Promo ̶$̶1̶3̶.̶9̶9̶ - $5 Flat Fee High-quality and reliable CMOS battery for your Dell Inspiron 11 3152 2-in-1 / P20T / P20T003Dell Inspiron 11 3152 2-in-1...
RTC CMOS Battery for Dell Inspiron 11 3148 / P20T / P20T002

RTC CMOS Battery for Dell Inspiron 11 3148 / P20T / P20T002

$9.35
Limited Time International Shipping Promo ̶$̶1̶3̶.̶9̶9̶ - $5 Flat Fee High-quality and reliable CMOS battery for your Dell Inspiron 11 3148 / P20T / P20T002Dell Inspiron 11 3148 / P20T...

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.