CMOS Batteries

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RTC CMOS Battery for Dell Inspiron 14R N4010 / P11G / P11G001

RTC CMOS Battery for Dell Inspiron 14R N4010 / P11G / P11G001

£4.55
High-quality and reliable CMOS battery for your Dell Inspiron 14R N4010 / P11G / P11G001Dell Inspiron 14R N4010 / P11G / P11G001 CMOS batteries are the highest-quality lithium-ion batteries on...
RTC CMOS Battery for Dell Inspiron 14 M4040 / P22G / P22G001

RTC CMOS Battery for Dell Inspiron 14 M4040 / P22G / P22G001

£8.35
High-quality and reliable CMOS battery for your Dell Inspiron 14 M4040 / P22G / P22G001Dell Inspiron 14 M4040 / P22G / P22G001 CMOS batteries are the highest-quality lithium-ion batteries on...
RTC CMOS Battery for Dell Inspiron 14 M4010 / P11G / P11G001

RTC CMOS Battery for Dell Inspiron 14 M4010 / P11G / P11G001

£4.55
High-quality and reliable CMOS battery for your Dell Inspiron 14 M4010 / P11G / P11G001Dell Inspiron 14 M4010 / P11G / P11G001 CMOS batteries are the highest-quality lithium-ion batteries on...
RTC CMOS Battery for Dell Inspiron 13 N3010 / P10S / P10S001

RTC CMOS Battery for Dell Inspiron 13 N3010 / P10S / P10S001

£4.55
High-quality and reliable CMOS battery for your Dell Inspiron 13 N3010 / P10S / P10S001Dell Inspiron 13 N3010 / P10S / P10S001 CMOS batteries are the highest-quality lithium-ion batteries on...
RTC CMOS Battery for Dell Inspiron 15 Gaming 7577 / P72F / P72F001

RTC CMOS Battery for Dell Inspiron 15 Gaming 7577 / P72F / P72F001

£8.35
High-quality and reliable CMOS battery for your Dell Inspiron 15 Gaming 7577 / P72F / P72F001Dell Inspiron 15 Gaming 7577 / P72F / P72F001 CMOS batteries are the highest-quality lithium-ion...
RTC CMOS Battery for Dell Inspiron 15 Gaming 5577 / P57F / P57F003

RTC CMOS Battery for Dell Inspiron 15 Gaming 5577 / P57F / P57F003

£8.35
High-quality and reliable CMOS battery for your Dell Inspiron 15 Gaming 5577 / P57F / P57F003Dell Inspiron 15 Gaming 5577 / P57F / P57F003 CMOS batteries are the highest-quality lithium-ion...
RTC CMOS Battery for Dell Inspiron 15 Gaming 5576 / P57F / P57F004

RTC CMOS Battery for Dell Inspiron 15 Gaming 5576 / P57F / P57F004

£8.35
High-quality and reliable CMOS battery for your Dell Inspiron 15 Gaming 5576 / P57F / P57F004Dell Inspiron 15 Gaming 5576 / P57F / P57F004 CMOS batteries are the highest-quality lithium-ion...
RTC CMOS Battery for Dell Inspiron 17 7786 2-in-1 / P36E / P36E001

RTC CMOS Battery for Dell Inspiron 17 7786 2-in-1 / P36E / P36E001

£8.35
High-quality and reliable CMOS battery for your Dell Inspiron 17 7786 2-in-1 / P36E / P36E001Dell Inspiron 17 7786 2-in-1 / P36E / P36E001 CMOS batteries are the highest-quality lithium-ion...
RTC CMOS Battery for Dell Inspiron 17 7779 2-in-1 / P30E / P30E001

RTC CMOS Battery for Dell Inspiron 17 7779 2-in-1 / P30E / P30E001

£8.35
High-quality and reliable CMOS battery for your Dell Inspiron 17 7779 2-in-1 / P30E / P30E001Dell Inspiron 17 7779 2-in-1 / P30E / P30E001 CMOS batteries are the highest-quality lithium-ion...
RTC CMOS Battery for Dell Inspiron 17 7778 2-in-1 / P30E / P30E001

RTC CMOS Battery for Dell Inspiron 17 7778 2-in-1 / P30E / P30E001

£8.35
High-quality and reliable CMOS battery for your Dell Inspiron 17 7778 2-in-1 / P30E / P30E001Dell Inspiron 17 7778 2-in-1 / P30E / P30E001 CMOS batteries are the highest-quality lithium-ion...
RTC CMOS Battery for Dell Inspiron 17 5770 / P35E / P35E001

RTC CMOS Battery for Dell Inspiron 17 5770 / P35E / P35E001

£4.55
High-quality and reliable CMOS battery for your Dell Inspiron 17 5770 / P35E / P35E001Dell Inspiron 17 5770 / P35E / P35E001 CMOS batteries are the highest-quality lithium-ion batteries on...
RTC CMOS Battery for Dell Inspiron 17 5765 / P32E / P32E002 / P32E003

RTC CMOS Battery for Dell Inspiron 17 5765 / P32E / P32E002 / P32E003

£8.35
High-quality and reliable CMOS battery for your Dell Inspiron 17 5765 / P32E / P32E002 / P32E003Dell Inspiron 17 5765 / P32E / P32E002 / P32E003 CMOS batteries are the...

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.