CMOS Batteries

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RTC CMOS Battery for Toshiba Portege R200-136

RTC CMOS Battery for Toshiba Portege R200-136

£9.67
Limited Time International Shipping Promo ̶$̶1̶3̶.̶9̶9̶ - $5 Flat Fee High-quality and reliable CMOS battery for your Toshiba Portege R200-136Toshiba Portege R200-136 CMOS batteries are the highest-quality lithium-ion batteries on...
RTC CMOS Battery for Toshiba Portege PPS10U

RTC CMOS Battery for Toshiba Portege PPS10U

£9.67
Limited Time International Shipping Promo ̶$̶1̶3̶.̶9̶9̶ - $5 Flat Fee High-quality and reliable CMOS battery for your Toshiba Portege PPS10UToshiba Portege PPS10U CMOS batteries are the highest-quality lithium-ion batteries on...
RTC CMOS Battery for Toshiba Portege PP415L

RTC CMOS Battery for Toshiba Portege PP415L

£9.67
Limited Time International Shipping Promo ̶$̶1̶3̶.̶9̶9̶ - $5 Flat Fee High-quality and reliable CMOS battery for your Toshiba Portege PP415LToshiba Portege PP415L CMOS batteries are the highest-quality lithium-ion batteries on...
RTC CMOS Battery for Toshiba Portege M700

RTC CMOS Battery for Toshiba Portege M700

£9.67
Limited Time International Shipping Promo ̶$̶1̶3̶.̶9̶9̶ - $5 Flat Fee High-quality and reliable CMOS battery for your Toshiba Portege M700Toshiba Portege M700 CMOS batteries are the highest-quality lithium-ion batteries on...
RTC CMOS Battery for Toshiba Portege M500

RTC CMOS Battery for Toshiba Portege M500

£9.67
Limited Time International Shipping Promo ̶$̶1̶3̶.̶9̶9̶ - $5 Flat Fee High-quality and reliable CMOS battery for your Toshiba Portege M500Toshiba Portege M500 CMOS batteries are the highest-quality lithium-ion batteries on...
RTC CMOS Battery for Toshiba Portege M410

RTC CMOS Battery for Toshiba Portege M410

£9.67
Limited Time International Shipping Promo ̶$̶1̶3̶.̶9̶9̶ - $5 Flat Fee High-quality and reliable CMOS battery for your Toshiba Portege M410Toshiba Portege M410 CMOS batteries are the highest-quality lithium-ion batteries on...
RTC CMOS Battery for Toshiba Portege M400

RTC CMOS Battery for Toshiba Portege M400

£9.67
Limited Time International Shipping Promo ̶$̶1̶3̶.̶9̶9̶ - $5 Flat Fee High-quality and reliable CMOS battery for your Toshiba Portege M400Toshiba Portege M400 CMOS batteries are the highest-quality lithium-ion batteries on...
RTC CMOS Battery for Toshiba Portege 620CT

RTC CMOS Battery for Toshiba Portege 620CT

£9.67
Limited Time International Shipping Promo ̶$̶1̶3̶.̶9̶9̶ - $5 Flat Fee High-quality and reliable CMOS battery for your Toshiba Portege 620CTToshiba Portege 620CT CMOS batteries are the highest-quality lithium-ion batteries on...
RTC CMOS Battery for Toshiba Portege 610CT

RTC CMOS Battery for Toshiba Portege 610CT

£9.67
Limited Time International Shipping Promo ̶$̶1̶3̶.̶9̶9̶ - $5 Flat Fee High-quality and reliable CMOS battery for your Toshiba Portege 610CTToshiba Portege 610CT CMOS batteries are the highest-quality lithium-ion batteries on...
RTC CMOS Battery for Toshiba Portege 320CT

RTC CMOS Battery for Toshiba Portege 320CT

£9.67
Limited Time International Shipping Promo ̶$̶1̶3̶.̶9̶9̶ - $5 Flat Fee High-quality and reliable CMOS battery for your Toshiba Portege 320CTToshiba Portege 320CT CMOS batteries are the highest-quality lithium-ion batteries on...
RTC CMOS Battery for Toshiba Portege 310CT

RTC CMOS Battery for Toshiba Portege 310CT

£9.67
Limited Time International Shipping Promo ̶$̶1̶3̶.̶9̶9̶ - $5 Flat Fee High-quality and reliable CMOS battery for your Toshiba Portege 310CTToshiba Portege 310CT CMOS batteries are the highest-quality lithium-ion batteries on...
RTC CMOS Battery for Toshiba Portege 300CT

RTC CMOS Battery for Toshiba Portege 300CT

£9.67
Limited Time International Shipping Promo ̶$̶1̶3̶.̶9̶9̶ - $5 Flat Fee High-quality and reliable CMOS battery for your Toshiba Portege 300CTToshiba Portege 300CT CMOS batteries are the highest-quality lithium-ion batteries on...

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.