CMOS Batteries

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RTC CMOS Battery for ASUS Eee PC R101

RTC CMOS Battery for ASUS Eee PC R101

$10.99
Limited Time International Shipping Promo ̶$̶1̶3̶.̶9̶9̶ - $5 Flat Fee High-quality and reliable CMOS battery for your ASUS Eee PC R101ASUS Eee PC R101 CMOS batteries are the highest-quality lithium-ion...
RTC CMOS Battery for Acer Swift 1 SF113-31-P5CK

RTC CMOS Battery for Acer Swift 1 SF113-31-P5CK

$10.99
Limited Time International Shipping Promo ̶$̶1̶3̶.̶9̶9̶ - $5 Flat Fee High-quality and reliable CMOS battery for your Acer Swift 1 SF113-31-P5CKAcer Swift 1 SF113-31-P5CK CMOS batteries are the highest-quality lithium-ion...
RTC CMOS Battery for Lenovo IdeaPad S205S

RTC CMOS Battery for Lenovo IdeaPad S205S

$5.99
Limited Time International Shipping Promo ̶$̶1̶3̶.̶9̶9̶ - $5 Flat FeeHigh-quality and reliable CMOS coin battery for your Lenovo IdeaPad S205SLenovo IdeaPad S205S CMOS coin batteries are the highest-quality lithium-ion batteries...
RTC CMOS Battery for HP Compaq 6000 Pro Small Form Factor PC

RTC CMOS Battery for HP Compaq 6000 Pro Small Form Factor PC

$5.99
Limited Time International Shipping Promo ̶$̶1̶3̶.̶9̶9̶ - $5 Flat FeeHigh-quality and reliable CMOS coin battery for your HP Compaq 6000 Pro Small Form Factor PCHP Compaq 6000 Pro Small Form...
RTC CMOS Battery for HP Compaq 6510b

RTC CMOS Battery for HP Compaq 6510b

$5.99
Limited Time International Shipping Promo ̶$̶1̶3̶.̶9̶9̶ - $5 Flat FeeHigh-quality and reliable CMOS coin battery for your HP Compaq 6510bHP Compaq 6510b CMOS coin batteries are the highest-quality lithium-ion batteries...
RTC CMOS Battery for HP Compaq 8000 Elite Small Form Factor PC

RTC CMOS Battery for HP Compaq 8000 Elite Small Form Factor PC

$5.99
Limited Time International Shipping Promo ̶$̶1̶3̶.̶9̶9̶ - $5 Flat FeeHigh-quality and reliable CMOS coin battery for your HP Compaq 8000 Elite Small Form Factor PCHP Compaq 8000 Elite Small Form...
RTC CMOS Battery for HP Compaq 8000 Elite Ultra-Slim Desktop PC

RTC CMOS Battery for HP Compaq 8000 Elite Ultra-Slim Desktop PC

$5.99
Limited Time International Shipping Promo ̶$̶1̶3̶.̶9̶9̶ - $5 Flat FeeHigh-quality and reliable CMOS coin battery for your HP Compaq 8000 Elite Ultra-Slim Desktop PCHP Compaq 8000 Elite Ultra-Slim Desktop PC...
RTC CMOS Battery for HP Pavilion dm4-1265dx

RTC CMOS Battery for HP Pavilion dm4-1265dx

$5.99
Limited Time International Shipping Promo ̶$̶1̶3̶.̶9̶9̶ - $5 Flat FeeHigh-quality and reliable CMOS coin battery for your HP Pavilion dm4-1265dxHP Pavilion dm4-1265dx CMOS coin batteries are the highest-quality lithium-ion batteries...
RTC CMOS Battery for Lenovo IdeaPad Slim 1-11AST-05

RTC CMOS Battery for Lenovo IdeaPad Slim 1-11AST-05

$5.99
Limited Time International Shipping Promo ̶$̶1̶3̶.̶9̶9̶ - $5 Flat FeeHigh-quality and reliable CMOS coin battery for your Lenovo IdeaPad Slim 1-11AST-05Lenovo IdeaPad Slim 1-11AST-05 CMOS coin batteries are the highest-quality...
RTC CMOS Battery for Lenovo IdeaPad Slim 1-14AST-05

RTC CMOS Battery for Lenovo IdeaPad Slim 1-14AST-05

$5.99
Limited Time International Shipping Promo ̶$̶1̶3̶.̶9̶9̶ - $5 Flat FeeHigh-quality and reliable CMOS coin battery for your Lenovo IdeaPad Slim 1-14AST-05Lenovo IdeaPad Slim 1-14AST-05 CMOS coin batteries are the highest-quality...
RTC CMOS Battery for Lenovo IdeaPad G570

RTC CMOS Battery for Lenovo IdeaPad G570

$7.99
Limited Time International Shipping Promo ̶$̶1̶3̶.̶9̶9̶ - $5 Flat FeeHigh-quality and reliable CMOS coin battery for your Lenovo IdeaPad G570Lenovo IdeaPad G570 CMOS coin batteries are the highest-quality lithium-ion batteries...
RTC CMOS Battery for Lenovo V Series V310-15ISK

RTC CMOS Battery for Lenovo V Series V310-15ISK

$5.99
Limited Time International Shipping Promo ̶$̶1̶3̶.̶9̶9̶ - $5 Flat FeeHigh-quality and reliable CMOS coin battery for your Lenovo V Series V310-15ISKLenovo V Series V310-15ISK CMOS coin batteries are the highest-quality...

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.