CMOS Batteries

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RTC CMOS Battery for Dell Inspiron 15 7558 / P55F / P55F001

RTC CMOS Battery for Dell Inspiron 15 7558 / P55F / P55F001

¥44.05
Limited Time International Shipping Promo ̶$̶1̶3̶.̶9̶9̶ - $5 Flat Fee High-quality and reliable CMOS battery for your Dell Inspiron 15 7558 / P55F / P55F001Dell Inspiron 15 7558 / P55F...
RTC CMOS Battery for Dell Inspiron 15 7547 / P41F / P41F001

RTC CMOS Battery for Dell Inspiron 15 7547 / P41F / P41F001

¥44.05
Limited Time International Shipping Promo ̶$̶1̶3̶.̶9̶9̶ - $5 Flat Fee High-quality and reliable CMOS battery for your Dell Inspiron 15 7547 / P41F / P41F001Dell Inspiron 15 7547 / P41F...
RTC CMOS Battery for Dell Inspiron 15 7537 / P36F / P36F001

RTC CMOS Battery for Dell Inspiron 15 7537 / P36F / P36F001

¥44.05
Limited Time International Shipping Promo ̶$̶1̶3̶.̶9̶9̶ - $5 Flat Fee High-quality and reliable CMOS battery for your Dell Inspiron 15 7537 / P36F / P36F001Dell Inspiron 15 7537 / P36F...
RTC CMOS Battery for Dell Inspiron 15 7506 2-in-1 / P97F / P97F003

RTC CMOS Battery for Dell Inspiron 15 7506 2-in-1 / P97F / P97F003

¥80.83
Limited Time International Shipping Promo ̶$̶1̶3̶.̶9̶9̶ - $5 Flat Fee High-quality and reliable CMOS battery for your Dell Inspiron 15 7506 2-in-1 / P97F / P97F003Dell Inspiron 15 7506 2-in-1...
RTC CMOS Battery for Dell Inspiron 15 7501 / P102F / P102F003

RTC CMOS Battery for Dell Inspiron 15 7501 / P102F / P102F003

¥80.83
Limited Time International Shipping Promo ̶$̶1̶3̶.̶9̶9̶ - $5 Flat Fee High-quality and reliable CMOS battery for your Dell Inspiron 15 7501 / P102F / P102F003Dell Inspiron 15 7501 / P102F...
RTC CMOS Battery for Dell Inspiron 15 7500 / P102F / P102F003

RTC CMOS Battery for Dell Inspiron 15 7500 / P102F / P102F003

¥80.83
Limited Time International Shipping Promo ̶$̶1̶3̶.̶9̶9̶ - $5 Flat Fee High-quality and reliable CMOS battery for your Dell Inspiron 15 7500 / P102F / P102F003Dell Inspiron 15 7500 / P102F...
RTC CMOS Battery for Dell Inspiron 15 5598 / P88G / P88F001

RTC CMOS Battery for Dell Inspiron 15 5598 / P88G / P88F001

¥80.83
Limited Time International Shipping Promo ̶$̶1̶3̶.̶9̶9̶ - $5 Flat Fee High-quality and reliable CMOS battery for your Dell Inspiron 15 5598 / P88G / P88F001Dell Inspiron 15 5598 / P88G...
RTC CMOS Battery for Dell Inspiron 15 5594 / P90F / P90F001

RTC CMOS Battery for Dell Inspiron 15 5594 / P90F / P90F001

¥44.05
Limited Time International Shipping Promo ̶$̶1̶3̶.̶9̶9̶ - $5 Flat Fee High-quality and reliable CMOS battery for your Dell Inspiron 15 5594 / P90F / P90F001Dell Inspiron 15 5594 / P90F...
RTC CMOS Battery for Dell Inspiron 15 5593 / P90F / P90F002

RTC CMOS Battery for Dell Inspiron 15 5593 / P90F / P90F002

¥44.05
Limited Time International Shipping Promo ̶$̶1̶3̶.̶9̶9̶ - $5 Flat Fee High-quality and reliable CMOS battery for your Dell Inspiron 15 5593 / P90F / P90F002Dell Inspiron 15 5593 / P90F...
RTC CMOS Battery for Dell Inspiron 15 5590 / P88G / P88F001

RTC CMOS Battery for Dell Inspiron 15 5590 / P88G / P88F001

¥80.83
Limited Time International Shipping Promo ̶$̶1̶3̶.̶9̶9̶ - $5 Flat Fee High-quality and reliable CMOS battery for your Dell Inspiron 15 5590 / P88G / P88F001Dell Inspiron 15 5590 / P88G...
RTC CMOS Battery for Dell Inspiron 15 5585 / P77F / P77F002

RTC CMOS Battery for Dell Inspiron 15 5585 / P77F / P77F002

¥80.83
Limited Time International Shipping Promo ̶$̶1̶3̶.̶9̶9̶ - $5 Flat Fee High-quality and reliable CMOS battery for your Dell Inspiron 15 5585 / P77F / P77F002Dell Inspiron 15 5585 / P77F...
RTC CMOS Battery for Dell Inspiron 15 5584 / P85F / P85F001

RTC CMOS Battery for Dell Inspiron 15 5584 / P85F / P85F001

¥44.05
Limited Time International Shipping Promo ̶$̶1̶3̶.̶9̶9̶ - $5 Flat Fee High-quality and reliable CMOS battery for your Dell Inspiron 15 5584 / P85F / P85F001Dell Inspiron 15 5584 / P85F...

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.