CMOS Batteries

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RTC CMOS Battery for Dell Vostro 3030 Small Form Factor Desktop / D17S / D17S007

RTC CMOS Battery for Dell Vostro 3030 Small Form Factor Desktop / D17S / D17S007

£4.80
Limited Time International Shipping Promo ̶$̶1̶3̶.̶9̶9̶ - $5 Flat Fee High-quality and reliable CMOS battery for your Dell Vostro 3030 Small Form Factor Desktop / D17S / D17S007Dell Vostro 3030...
RTC CMOS Battery for Dell Vostro 3020 Tower Desktop / D32M / D32M002

RTC CMOS Battery for Dell Vostro 3020 Tower Desktop / D32M / D32M002

£4.80
Limited Time International Shipping Promo ̶$̶1̶3̶.̶9̶9̶ - $5 Flat Fee High-quality and reliable CMOS battery for your Dell Vostro 3020 Tower Desktop / D32M / D32M002Dell Vostro 3020 Tower Desktop...
RTC CMOS Battery for Dell Vostro 3020 Small Form Factor Desktop / D17S / D17S003

RTC CMOS Battery for Dell Vostro 3020 Small Form Factor Desktop / D17S / D17S003

£4.80
Limited Time International Shipping Promo ̶$̶1̶3̶.̶9̶9̶ - $5 Flat Fee High-quality and reliable CMOS battery for your Dell Vostro 3020 Small Form Factor Desktop / D17S / D17S003Dell Vostro 3020...
RTC CMOS Battery for Dell Vostro 2521 / P27F / P27F001

RTC CMOS Battery for Dell Vostro 2521 / P27F / P27F001

£4.80
Limited Time International Shipping Promo ̶$̶1̶3̶.̶9̶9̶ - $5 Flat Fee High-quality and reliable CMOS battery for your Dell Vostro 2521 / P27F / P27F001Dell Vostro 2521 / P27F / P27F001...
RTC CMOS Battery for Dell Vostro 2520 / P18F / P18F004

RTC CMOS Battery for Dell Vostro 2520 / P18F / P18F004

£4.80
Limited Time International Shipping Promo ̶$̶1̶3̶.̶9̶9̶ - $5 Flat Fee High-quality and reliable CMOS battery for your Dell Vostro 2520 / P18F / P18F004Dell Vostro 2520 / P18F / P18F004...
RTC CMOS Battery for Dell Vostro 2510 / PP36L

RTC CMOS Battery for Dell Vostro 2510 / PP36L

£8.81
Limited Time International Shipping Promo ̶$̶1̶3̶.̶9̶9̶ - $5 Flat Fee High-quality and reliable CMOS battery for your Dell Vostro 2510 / PP36LDell Vostro 2510 / PP36L CMOS batteries are the...
RTC CMOS Battery for Dell Vostro 2421 / P37G / P37G001

RTC CMOS Battery for Dell Vostro 2421 / P37G / P37G001

£4.80
Limited Time International Shipping Promo ̶$̶1̶3̶.̶9̶9̶ - $5 Flat Fee High-quality and reliable CMOS battery for your Dell Vostro 2421 / P37G / P37G001Dell Vostro 2421 / P37G / P37G001...
RTC CMOS Battery for Dell Vostro 2420 / P22G / P22G004

RTC CMOS Battery for Dell Vostro 2420 / P22G / P22G004

£8.81
Limited Time International Shipping Promo ̶$̶1̶3̶.̶9̶9̶ - $5 Flat Fee High-quality and reliable CMOS battery for your Dell Vostro 2420 / P22G / P22G004Dell Vostro 2420 / P22G / P22G004...
RTC CMOS Battery for Dell Vostro 1720 / PP36X

RTC CMOS Battery for Dell Vostro 1720 / PP36X

£4.80
Limited Time International Shipping Promo ̶$̶1̶3̶.̶9̶9̶ - $5 Flat Fee High-quality and reliable CMOS battery for your Dell Vostro 1720 / PP36XDell Vostro 1720 / PP36X CMOS batteries are the...
RTC CMOS Battery for Dell Vostro 1710 / PP36X

RTC CMOS Battery for Dell Vostro 1710 / PP36X

£8.81
Limited Time International Shipping Promo ̶$̶1̶3̶.̶9̶9̶ - $5 Flat Fee High-quality and reliable CMOS battery for your Dell Vostro 1710 / PP36XDell Vostro 1710 / PP36X CMOS batteries are the...
RTC CMOS Battery for Dell Vostro 1700 / PP22X

RTC CMOS Battery for Dell Vostro 1700 / PP22X

£8.81
Limited Time International Shipping Promo ̶$̶1̶3̶.̶9̶9̶ - $5 Flat Fee High-quality and reliable CMOS battery for your Dell Vostro 1700 / PP22XDell Vostro 1700 / PP22X CMOS batteries are the...
RTC CMOS Battery for Dell Vostro 1550 / P18F / P18F002

RTC CMOS Battery for Dell Vostro 1550 / P18F / P18F002

£4.80
Limited Time International Shipping Promo ̶$̶1̶3̶.̶9̶9̶ - $5 Flat Fee High-quality and reliable CMOS battery for your Dell Vostro 1550 / P18F / P18F002Dell Vostro 1550 / P18F / P18F002...

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.