CMOS Batteries

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RTC CMOS Battery for ASUS ZenBook UX51VZ

RTC CMOS Battery for ASUS ZenBook UX51VZ

$17.21
Limited Time International Shipping Promo ̶$̶1̶3̶.̶9̶9̶ - $5 Flat FeeHigh-quality and reliable CMOS battery for your ASUS ZenBook UX51VZASUS ZenBook UX51VZ CMOS batteries are the highest-quality lithium-ion batteries on the...
RTC CMOS Battery for ASUS ZenBook UX51V

RTC CMOS Battery for ASUS ZenBook UX51V

$17.21
Limited Time International Shipping Promo ̶$̶1̶3̶.̶9̶9̶ - $5 Flat FeeHigh-quality and reliable CMOS battery for your ASUS ZenBook UX51VASUS ZenBook UX51V CMOS batteries are the highest-quality lithium-ion batteries on the...
RTC CMOS Battery for ASUS Eee PC Seashell 1015PX

RTC CMOS Battery for ASUS Eee PC Seashell 1015PX

$17.21
Limited Time International Shipping Promo ̶$̶1̶3̶.̶9̶9̶ - $5 Flat FeeHigh-quality and reliable CMOS battery for your ASUS Eee PC Seashell 1015PXASUS Eee PC Seashell 1015PX CMOS batteries are the highest-quality...
RTC CMOS Battery for Acer Aspire Vero AV15-51

RTC CMOS Battery for Acer Aspire Vero AV15-51

$17.21
Limited Time International Shipping Promo ̶$̶1̶3̶.̶9̶9̶ - $5 Flat FeeHigh-quality and reliable CMOS battery for your Acer Aspire Vero AV15-51Acer Aspire Vero AV15-51 CMOS batteries are the highest-quality lithium-ion batteries...
RTC CMOS Battery for Acer Extensa EX215-54

RTC CMOS Battery for Acer Extensa EX215-54

$17.21
Limited Time International Shipping Promo ̶$̶1̶3̶.̶9̶9̶ - $5 Flat FeeHigh-quality and reliable CMOS battery for your Acer Extensa EX215-54Acer Extensa EX215-54 CMOS batteries are the highest-quality lithium-ion batteries on the...
RTC CMOS Battery for Acer Extensa EX215-51

RTC CMOS Battery for Acer Extensa EX215-51

$17.21
Limited Time International Shipping Promo ̶$̶1̶3̶.̶9̶9̶ - $5 Flat FeeHigh-quality and reliable CMOS battery for your Acer Extensa EX215-51Acer Extensa EX215-51 CMOS batteries are the highest-quality lithium-ion batteries on the...
RTC CMOS Battery for Acer Extensa 5620Z

RTC CMOS Battery for Acer Extensa 5620Z

$17.21
Limited Time International Shipping Promo ̶$̶1̶3̶.̶9̶9̶ - $5 Flat FeeHigh-quality and reliable CMOS battery for your Acer Extensa 5620ZAcer Extensa 5620Z CMOS batteries are the highest-quality lithium-ion batteries on the...
RTC CMOS Battery for Acer Aspire 5 A515-54-51DJ

RTC CMOS Battery for Acer Aspire 5 A515-54-51DJ

$17.21
Limited Time International Shipping Promo ̶$̶1̶3̶.̶9̶9̶ - $5 Flat FeeHigh-quality and reliable CMOS battery for your Acer Aspire 5 A515-54-51DJAcer Aspire 5 A515-54-51DJ CMOS batteries are the highest-quality lithium-ion batteries...
RTC CMOS Battery for Acer Aspire R5-471T

RTC CMOS Battery for Acer Aspire R5-471T

$17.21
Limited Time International Shipping Promo ̶$̶1̶3̶.̶9̶9̶ - $5 Flat FeeHigh-quality and reliable CMOS battery for your Acer Aspire R5-471TAcer Aspire R5-471T CMOS batteries are the highest-quality lithium-ion batteries on the...
RTC CMOS Battery for Acer Aspire 3 A315-58G-501N

RTC CMOS Battery for Acer Aspire 3 A315-58G-501N

$17.21
Limited Time International Shipping Promo ̶$̶1̶3̶.̶9̶9̶ - $5 Flat FeeHigh-quality and reliable CMOS battery for your Acer Aspire 3 A315-58G-501N Acer Aspire 3 A315-58G-501N CMOS batteries are the highest-quality lithium-ion...
RTC CMOS Battery for Acer Aspire 3 A315-56

RTC CMOS Battery for Acer Aspire 3 A315-56

$17.21
Limited Time International Shipping Promo ̶$̶1̶3̶.̶9̶9̶ - $5 Flat FeeHigh-quality and reliable CMOS battery for your Acer Aspire 3 A315-56Acer Aspire 3 A315-56 CMOS batteries are the highest-quality lithium-ion batteries...
RTC CMOS Battery for Lenovo ThinkPad T61P

RTC CMOS Battery for Lenovo ThinkPad T61P

$17.21
Limited Time International Shipping Promo ̶$̶1̶3̶.̶9̶9̶ - $5 Flat FeeHigh-quality and reliable CMOS battery for your Lenovo ThinkPad T61PLenovo ThinkPad T61P CMOS batteries are the highest-quality lithium-ion batteries on the...

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.