CMOS Batteries

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RTC CMOS Battery for Toshiba Satellite L300

RTC CMOS Battery for Toshiba Satellite L300

$12.35
Limited Time International Shipping Promo ̶$̶1̶3̶.̶9̶9̶ - $5 Flat Fee High-quality and reliable CMOS coin battery for your Toshiba Satellite L300Toshiba Satellite L300 CMOS coin batteries are the highest-quality lithium-ion...
RTC CMOS Battery for Toshiba Satellite L500

RTC CMOS Battery for Toshiba Satellite L500

$12.35
Limited Time International Shipping Promo ̶$̶1̶3̶.̶9̶9̶ - $5 Flat Fee High-quality and reliable CMOS coin battery for your Toshiba Satellite L500Toshiba Satellite L500 CMOS coin batteries are the highest-quality lithium-ion...
RTC CMOS Battery for Toshiba Satellite C650

RTC CMOS Battery for Toshiba Satellite C650

$9.26
Limited Time International Shipping Promo ̶$̶1̶3̶.̶9̶9̶ - $5 Flat Fee High-quality and reliable CMOS coin battery for your Toshiba Satellite C650Toshiba Satellite C650 CMOS coin batteries are the highest-quality lithium-ion...
RTC CMOS Battery for Toshiba Satellite C655

RTC CMOS Battery for Toshiba Satellite C655

$9.26
Limited Time International Shipping Promo ̶$̶1̶3̶.̶9̶9̶ - $5 Flat Fee High-quality and reliable CMOS coin battery for your Toshiba Satellite C655Toshiba Satellite C655 CMOS coin batteries are the highest-quality lithium-ion...
RTC CMOS Battery for Toshiba Satellite C650D

RTC CMOS Battery for Toshiba Satellite C650D

$9.26
Limited Time International Shipping Promo ̶$̶1̶3̶.̶9̶9̶ - $5 Flat Fee High-quality and reliable CMOS coin battery for your Toshiba Satellite C650DToshiba Satellite C650D CMOS coin batteries are the highest-quality lithium-ion...
RTC CMOS Battery for Toshiba Satellite C655D

RTC CMOS Battery for Toshiba Satellite C655D

$9.26
Limited Time International Shipping Promo ̶$̶1̶3̶.̶9̶9̶ - $5 Flat Fee High-quality and reliable CMOS coin battery for your Toshiba Satellite C655DToshiba Satellite C655D CMOS coin batteries are the highest-quality lithium-ion...
RTC CMOS Battery for Toshiba Satellite Pro C650

RTC CMOS Battery for Toshiba Satellite Pro C650

$9.26
Limited Time International Shipping Promo ̶$̶1̶3̶.̶9̶9̶ - $5 Flat Fee High-quality and reliable CMOS coin battery for your Toshiba Satellite Pro C650Toshiba Satellite Pro C650 CMOS coin batteries are the...
RTC CMOS Battery for Raspberry Pi 5 - 25mAh ML2020 3.6V

RTC CMOS Battery for Raspberry Pi 5 - 25mAh ML2020 3.6V

$16.99
Limited Time International Shipping Promo ̶$̶1̶3̶.̶9̶9̶ - $5 Flat Fee High-quality and reliable CMOS battery for your Raspberry Pi 5 - 25mAh ML2020 3.6VRaspberry Pi 5 - 25mAh ML2020 3.6V...
RTC CMOS Battery for ODroid M1S HC1 HC2 H2 H2+ H3 H3+

RTC CMOS Battery for ODroid M1S HC1 HC2 H2 H2+ H3 H3+

$16.99
Limited Time International Shipping Promo ̶$̶1̶3̶.̶9̶9̶ - $5 Flat Fee High-quality and reliable CMOS battery for your ODroid M1S HC1 HC2 H2 H2+ H3 H3+ODroid M1S HC1 HC2 H2 H2+...
RTC CMOS Battery for ODroid XU XULite U3 C1 C1+ XU3 XU3Lite XU4

RTC CMOS Battery for ODroid XU XULite U3 C1 C1+ XU3 XU3Lite XU4

$16.99
Limited Time International Shipping Promo ̶$̶1̶3̶.̶9̶9̶ - $5 Flat Fee High-quality and reliable CMOS battery for your ODroid XU XULite U3 C1 C1+ XU3 XU3Lite XU4ODroid XU XULite U3 C1...
RTC CMOS Battery for DFI EC700BT Industrial Computer

RTC CMOS Battery for DFI EC700BT Industrial Computer

$16.99
Limited Time International Shipping Promo ̶$̶1̶3̶.̶9̶9̶ - $5 Flat Fee High-quality and reliable CMOS battery for your DFI EC700BT Industrial ComputerDFI EC700BT Industrial Computer CMOS batteries are the highest-quality lithium-ion...
RTC CMOS Battery for Fujitsu Lifebook T935

RTC CMOS Battery for Fujitsu Lifebook T935

$16.99
Limited Time International Shipping Promo ̶$̶1̶3̶.̶9̶9̶ - $5 Flat Fee High-quality and reliable CMOS battery for your Fujitsu Lifebook T935Fujitsu Lifebook T935 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.