CMOS Batteries

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RTC CMOS Battery for HP ENVY TouchSmart 4-1102xx Ultrabook

RTC CMOS Battery for HP ENVY TouchSmart 4-1102xx Ultrabook

£8.63
Limited Time International Shipping Promo ̶$̶1̶3̶.̶9̶9̶ - $5 Flat FeeHigh-quality and reliable CMOS battery for your HP ENVY TouchSmart 4-1102xx UltrabookHP ENVY TouchSmart 4-1102xx Ultrabook CMOS batteries are the highest-quality...
RTC CMOS Battery for HP ENVY TouchSmart 4-1102sg Ultrabook

RTC CMOS Battery for HP ENVY TouchSmart 4-1102sg Ultrabook

£8.63
Limited Time International Shipping Promo ̶$̶1̶3̶.̶9̶9̶ - $5 Flat FeeHigh-quality and reliable CMOS battery for your HP ENVY TouchSmart 4-1102sg UltrabookHP ENVY TouchSmart 4-1102sg Ultrabook CMOS batteries are the highest-quality...
RTC CMOS Battery for HP ENVY TouchSmart 4-1102eg Ultrabook

RTC CMOS Battery for HP ENVY TouchSmart 4-1102eg Ultrabook

£8.63
Limited Time International Shipping Promo ̶$̶1̶3̶.̶9̶9̶ - $5 Flat FeeHigh-quality and reliable CMOS battery for your HP ENVY TouchSmart 4-1102eg UltrabookHP ENVY TouchSmart 4-1102eg Ultrabook CMOS batteries are the highest-quality...
RTC CMOS Battery for HP ENVY TouchSmart 4 Ultrabook Series

RTC CMOS Battery for HP ENVY TouchSmart 4 Ultrabook Series

£8.63
Limited Time International Shipping Promo ̶$̶1̶3̶.̶9̶9̶ - $5 Flat FeeHigh-quality and reliable CMOS battery for your HP ENVY TouchSmart 4 Ultrabook SeriesHP ENVY TouchSmart 4 Ultrabook Series CMOS batteries are...
RTC CMOS Battery for HP ENVY TouchSmart 4-1129tu Sleekbook

RTC CMOS Battery for HP ENVY TouchSmart 4-1129tu Sleekbook

£8.63
Limited Time International Shipping Promo ̶$̶1̶3̶.̶9̶9̶ - $5 Flat FeeHigh-quality and reliable CMOS battery for your HP ENVY TouchSmart 4-1129tu SleekbookHP ENVY TouchSmart 4-1129tu Sleekbook CMOS batteries are the highest-quality...
RTC CMOS Battery for HP ENVY TouchSmart 4-1203ee Sleekbook

RTC CMOS Battery for HP ENVY TouchSmart 4-1203ee Sleekbook

£8.63
Limited Time International Shipping Promo ̶$̶1̶3̶.̶9̶9̶ - $5 Flat FeeHigh-quality and reliable CMOS battery for your HP ENVY TouchSmart 4-1203ee SleekbookHP ENVY TouchSmart 4-1203ee Sleekbook CMOS batteries are the highest-quality...
RTC CMOS Battery for HP ENVY TouchSmart 4-1245tu Sleekbook

RTC CMOS Battery for HP ENVY TouchSmart 4-1245tu Sleekbook

£8.63
Limited Time International Shipping Promo ̶$̶1̶3̶.̶9̶9̶ - $5 Flat FeeHigh-quality and reliable CMOS battery for your HP ENVY TouchSmart 4-1245tu SleekbookHP ENVY TouchSmart 4-1245tu Sleekbook CMOS batteries are the highest-quality...
RTC CMOS Battery for HP ENVY TouchSmart 4-1203sa Sleekbook

RTC CMOS Battery for HP ENVY TouchSmart 4-1203sa Sleekbook

£8.63
Limited Time International Shipping Promo ̶$̶1̶3̶.̶9̶9̶ - $5 Flat FeeHigh-quality and reliable CMOS battery for your HP ENVY TouchSmart 4-1203sa SleekbookHP ENVY TouchSmart 4-1203sa Sleekbook CMOS batteries are the highest-quality...
RTC CMOS Battery for HP ENVY TouchSmart 4 Sleekbook Series

RTC CMOS Battery for HP ENVY TouchSmart 4 Sleekbook Series

£8.63
Limited Time International Shipping Promo ̶$̶1̶3̶.̶9̶9̶ - $5 Flat FeeHigh-quality and reliable CMOS battery for your HP ENVY TouchSmart 4 Sleekbook SeriesHP ENVY TouchSmart 4 Sleekbook Series CMOS batteries are...
RTC CMOS Battery for HP ENVY 4-1038nr Ultrabook

RTC CMOS Battery for HP ENVY 4-1038nr Ultrabook

£8.63
Limited Time International Shipping Promo ̶$̶1̶3̶.̶9̶9̶ - $5 Flat FeeHigh-quality and reliable CMOS battery for your HP ENVY 4-1038nr UltrabookHP ENVY 4-1038nr Ultrabook CMOS batteries are the highest-quality lithium-ion batteries...
RTC CMOS Battery for HP ENVY 4 Ultrabook Series

RTC CMOS Battery for HP ENVY 4 Ultrabook Series

£8.63
Limited Time International Shipping Promo ̶$̶1̶3̶.̶9̶9̶ - $5 Flat FeeHigh-quality and reliable CMOS battery for your HP ENVY 4 Ultrabook SeriesHP ENVY 4 Ultrabook Series CMOS batteries are the highest-quality...
RTC CMOS Battery for HP ENVY 4 Sleekbook Series

RTC CMOS Battery for HP ENVY 4 Sleekbook Series

£8.63
Limited Time International Shipping Promo ̶$̶1̶3̶.̶9̶9̶ - $5 Flat FeeHigh-quality and reliable CMOS battery for your HP ENVY 4 Sleekbook SeriesHP ENVY 4 Sleekbook Series 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.