CMOS Batteries

Sort by:
RTC CMOS Battery for Lenovo ThinkPad Edge E460

RTC CMOS Battery for Lenovo ThinkPad Edge E460

¥80.83
Limited Time International Shipping Promo ̶$̶1̶3̶.̶9̶9̶ - $5 Flat FeeHigh-quality and reliable CMOS battery for your Lenovo ThinkPad Edge E460Lenovo ThinkPad Edge E460 CMOS batteries are the highest-quality lithium-ion batteries...
RTC CMOS Battery for Lenovo ThinkPad Edge E435

RTC CMOS Battery for Lenovo ThinkPad Edge E435

¥80.83
Limited Time International Shipping Promo ̶$̶1̶3̶.̶9̶9̶ - $5 Flat FeeHigh-quality and reliable CMOS battery for your Lenovo ThinkPad Edge E435Lenovo ThinkPad Edge E435 CMOS batteries are the highest-quality lithium-ion batteries...
RTC CMOS Battery for Lenovo ThinkPad Edge E450c

RTC CMOS Battery for Lenovo ThinkPad Edge E450c

¥80.83
Limited Time International Shipping Promo ̶$̶1̶3̶.̶9̶9̶ - $5 Flat FeeHigh-quality and reliable CMOS battery for your Lenovo ThinkPad Edge E450cLenovo ThinkPad Edge E450c CMOS batteries are the highest-quality lithium-ion batteries...
RTC CMOS Battery for Lenovo ThinkPad Edge E430c

RTC CMOS Battery for Lenovo ThinkPad Edge E430c

¥80.83
Limited Time International Shipping Promo ̶$̶1̶3̶.̶9̶9̶ - $5 Flat FeeHigh-quality and reliable CMOS battery for your Lenovo ThinkPad Edge E430cLenovo ThinkPad Edge E430c CMOS batteries are the highest-quality lithium-ion batteries...
RTC CMOS Battery for Lenovo ThinkPad Edge E420s

RTC CMOS Battery for Lenovo ThinkPad Edge E420s

¥80.83
Limited Time International Shipping Promo ̶$̶1̶3̶.̶9̶9̶ - $5 Flat FeeHigh-quality and reliable CMOS battery for your Lenovo ThinkPad Edge E420sLenovo ThinkPad Edge E420s CMOS batteries are the highest-quality lithium-ion batteries...
RTC CMOS Battery for Lenovo ThinkPad Edge E420

RTC CMOS Battery for Lenovo ThinkPad Edge E420

¥80.83
Limited Time International Shipping Promo ̶$̶1̶3̶.̶9̶9̶ - $5 Flat FeeHigh-quality and reliable CMOS battery for your Lenovo ThinkPad Edge E420Lenovo ThinkPad Edge E420 CMOS batteries are the highest-quality lithium-ion batteries...
RTC CMOS Battery for Lenovo ThinkPad Edge E320

RTC CMOS Battery for Lenovo ThinkPad Edge E320

¥80.83
Limited Time International Shipping Promo ̶$̶1̶3̶.̶9̶9̶ - $5 Flat FeeHigh-quality and reliable CMOS battery for your Lenovo ThinkPad Edge E320Lenovo ThinkPad Edge E320 CMOS batteries are the highest-quality lithium-ion batteries...
RTC CMOS Battery for Lenovo ThinkPad Edge E430

RTC CMOS Battery for Lenovo ThinkPad Edge E430

¥80.83
Limited Time International Shipping Promo ̶$̶1̶3̶.̶9̶9̶ - $5 Flat FeeHigh-quality and reliable CMOS battery for your Lenovo ThinkPad Edge E430Lenovo ThinkPad Edge E430 CMOS batteries are the highest-quality lithium-ion batteries...
RTC CMOS Battery for Lenovo ThinkPad Edge 15

RTC CMOS Battery for Lenovo ThinkPad Edge 15

¥80.83
Limited Time International Shipping Promo ̶$̶1̶3̶.̶9̶9̶ - $5 Flat FeeHigh-quality and reliable CMOS battery for your Lenovo ThinkPad Edge 15Lenovo ThinkPad Edge 15 CMOS batteries are the highest-quality lithium-ion batteries...
RTC CMOS Battery for Lenovo ThinkPad Edge 14

RTC CMOS Battery for Lenovo ThinkPad Edge 14

¥80.83
Limited Time International Shipping Promo ̶$̶1̶3̶.̶9̶9̶ - $5 Flat FeeHigh-quality and reliable CMOS battery for your Lenovo ThinkPad Edge 14Lenovo ThinkPad Edge 14 CMOS batteries are the highest-quality lithium-ion batteries...
RTC CMOS Battery for Lenovo ThinkPad E585 (Type 20KV)

RTC CMOS Battery for Lenovo ThinkPad E585 (Type 20KV)

¥80.83
Limited Time International Shipping Promo ̶$̶1̶3̶.̶9̶9̶ - $5 Flat FeeHigh-quality and reliable CMOS battery for your Lenovo ThinkPad E585 (Type 20KV)Lenovo ThinkPad E585 (Type 20KV) CMOS batteries are the highest-quality...
RTC CMOS Battery for Lenovo ThinkPad E485 (Type 20KU)

RTC CMOS Battery for Lenovo ThinkPad E485 (Type 20KU)

¥80.83
Limited Time International Shipping Promo ̶$̶1̶3̶.̶9̶9̶ - $5 Flat FeeHigh-quality and reliable CMOS battery for your Lenovo ThinkPad E485 (Type 20KU)Lenovo ThinkPad E485 (Type 20KU) CMOS 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.