CMOS Batteries

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RTC CMOS Battery for Lenovo ThinkPad 600X

RTC CMOS Battery for Lenovo ThinkPad 600X

¥80.88
Limited Time International Shipping Promo ̶$̶1̶3̶.̶9̶9̶ - $5 Flat Fee High-quality and reliable CMOS battery for your Lenovo ThinkPad 600XLenovo ThinkPad 600X CMOS batteries are the highest-quality lithium-ion batteries on...
RTC CMOS Battery for Lenovo ThinkPad 600E

RTC CMOS Battery for Lenovo ThinkPad 600E

¥80.88
Limited Time International Shipping Promo ̶$̶1̶3̶.̶9̶9̶ - $5 Flat Fee High-quality and reliable CMOS battery for your Lenovo ThinkPad 600ELenovo ThinkPad 600E CMOS batteries are the highest-quality lithium-ion batteries on...
RTC CMOS Battery for Lenovo ThinkPad 600

RTC CMOS Battery for Lenovo ThinkPad 600

¥80.88
Limited Time International Shipping Promo ̶$̶1̶3̶.̶9̶9̶ - $5 Flat Fee High-quality and reliable CMOS battery for your Lenovo ThinkPad 600Lenovo ThinkPad 600 CMOS batteries are the highest-quality lithium-ion batteries on...
RTC CMOS Battery for Lenovo ThinkPad 11e 3rd Gen (Type 20G9, 20GB)

RTC CMOS Battery for Lenovo ThinkPad 11e 3rd Gen (Type 20G9, 20GB)

¥80.88
Limited Time International Shipping Promo ̶$̶1̶3̶.̶9̶9̶ - $5 Flat Fee High-quality and reliable CMOS battery for your Lenovo ThinkPad 11e 3rd Gen (Type 20G9, 20GB)Lenovo ThinkPad 11e 3rd Gen (Type...
RTC CMOS Battery for Lenovo IdeaPad 320-15IKB (Type 80XL, 80YE)

RTC CMOS Battery for Lenovo IdeaPad 320-15IKB (Type 80XL, 80YE)

¥80.88
Limited Time International Shipping Promo ̶$̶1̶3̶.̶9̶9̶ - $5 Flat Fee High-quality and reliable CMOS battery for your Lenovo IdeaPad 320-15IKB (Type 80XL, 80YE)Lenovo IdeaPad 320-15IKB (Type 80XL, 80YE) CMOS batteries...
RTC CMOS Battery for Intel NUC7i7BNH NUC mini PC

RTC CMOS Battery for Intel NUC7i7BNH NUC mini PC

¥80.88
Limited Time International Shipping Promo ̶$̶1̶3̶.̶9̶9̶ - $5 Flat Fee High-quality and reliable CMOS battery for your Intel NUC7i7BNH NUC mini PCIntel NUC7i7BNH NUC mini PC CMOS batteries are the...
RTC CMOS Battery for Intel NUC11TNKi5 NUC mini PC

RTC CMOS Battery for Intel NUC11TNKi5 NUC mini PC

¥80.88
Limited Time International Shipping Promo ̶$̶1̶3̶.̶9̶9̶ - $5 Flat Fee High-quality and reliable CMOS battery for your Intel NUC11TNKi5 NUC mini PCIntel NUC11TNKi5 NUC mini PC CMOS batteries are the...
RTC CMOS Battery for HP Compaq 577065-001 Motherboard

RTC CMOS Battery for HP Compaq 577065-001 Motherboard

¥44.08
Limited Time International Shipping Promo ̶$̶1̶3̶.̶9̶9̶ - $5 Flat Fee High-quality and reliable CMOS battery for your HP Compaq 577065-001 MotherboardHP Compaq 577065-001 Motherboard CMOS batteries are the highest-quality lithium-ion...
RTC CMOS Battery for HP Compaq Presario 254552-002 Motherboard

RTC CMOS Battery for HP Compaq Presario 254552-002 Motherboard

¥44.08
Limited Time International Shipping Promo ̶$̶1̶3̶.̶9̶9̶ - $5 Flat Fee High-quality and reliable CMOS battery for your HP Compaq Presario 254552-002 MotherboardHP Compaq Presario 254552-002 Motherboard CMOS batteries are the...
RTC CMOS Battery for HP Compaq Presario 5310U Desktop

RTC CMOS Battery for HP Compaq Presario 5310U Desktop

¥44.08
Limited Time International Shipping Promo ̶$̶1̶3̶.̶9̶9̶ - $5 Flat Fee High-quality and reliable CMOS battery for your HP Compaq Presario 5310U DesktopHP Compaq Presario 5310U Desktop CMOS batteries are the...
RTC CMOS Battery for HP Compaq 443776-001 Motherboard

RTC CMOS Battery for HP Compaq 443776-001 Motherboard

¥80.88
Limited Time International Shipping Promo ̶$̶1̶3̶.̶9̶9̶ - $5 Flat Fee High-quality and reliable CMOS battery for your HP Compaq 443776-001 MotherboardHP Compaq 443776-001 Motherboard CMOS batteries are the highest-quality lithium-ion...
RTC CMOS Battery for HP Compaq Presario V6700

RTC CMOS Battery for HP Compaq Presario V6700

¥80.88
Limited Time International Shipping Promo ̶$̶1̶3̶.̶9̶9̶ - $5 Flat Fee High-quality and reliable CMOS battery for your HP Compaq Presario V6700HP Compaq Presario V6700 CMOS batteries are the highest-quality lithium-ion...

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.