CMOS Batteries

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RTC CMOS Battery for HP ENVY TouchSmart 4-1283eg Ultrabook

RTC CMOS Battery for HP ENVY TouchSmart 4-1283eg Ultrabook

£8.61
Limited Time International Shipping Promo ̶$̶1̶3̶.̶9̶9̶ - $5 Flat FeeHigh-quality and reliable CMOS battery for your HP ENVY TouchSmart 4-1283eg UltrabookHP ENVY TouchSmart 4-1283eg Ultrabook CMOS batteries are the highest-quality...
RTC CMOS Battery for HP ENVY TouchSmart 4-1280ef Ultrabook

RTC CMOS Battery for HP ENVY TouchSmart 4-1280ef Ultrabook

£8.61
Limited Time International Shipping Promo ̶$̶1̶3̶.̶9̶9̶ - $5 Flat FeeHigh-quality and reliable CMOS battery for your HP ENVY TouchSmart 4-1280ef UltrabookHP ENVY TouchSmart 4-1280ef Ultrabook CMOS batteries are the highest-quality...
RTC CMOS Battery for HP ENVY TouchSmart 4-1270ez Ultrabook

RTC CMOS Battery for HP ENVY TouchSmart 4-1270ez Ultrabook

£8.61
Limited Time International Shipping Promo ̶$̶1̶3̶.̶9̶9̶ - $5 Flat FeeHigh-quality and reliable CMOS battery for your HP ENVY TouchSmart 4-1270ez UltrabookHP ENVY TouchSmart 4-1270ez Ultrabook CMOS batteries are the highest-quality...
RTC CMOS Battery for HP ENVY TouchSmart 4-1241tu Ultrabook

RTC CMOS Battery for HP ENVY TouchSmart 4-1241tu Ultrabook

£8.61
Limited Time International Shipping Promo ̶$̶1̶3̶.̶9̶9̶ - $5 Flat FeeHigh-quality and reliable CMOS battery for your HP ENVY TouchSmart 4-1241tu UltrabookHP ENVY TouchSmart 4-1241tu Ultrabook CMOS batteries are the highest-quality...
RTC CMOS Battery for HP ENVY TouchSmart 4-1239tu Ultrabook

RTC CMOS Battery for HP ENVY TouchSmart 4-1239tu Ultrabook

£8.61
Limited Time International Shipping Promo ̶$̶1̶3̶.̶9̶9̶ - $5 Flat FeeHigh-quality and reliable CMOS battery for your HP ENVY TouchSmart 4-1239tu UltrabookHP ENVY TouchSmart 4-1239tu Ultrabook CMOS batteries are the highest-quality...
RTC CMOS Battery for HP ENVY TouchSmart 4-1230eb Ultrabook

RTC CMOS Battery for HP ENVY TouchSmart 4-1230eb Ultrabook

£8.61
Limited Time International Shipping Promo ̶$̶1̶3̶.̶9̶9̶ - $5 Flat FeeHigh-quality and reliable CMOS battery for your HP ENVY TouchSmart 4-1230eb UltrabookHP ENVY TouchSmart 4-1230eb Ultrabook CMOS batteries are the highest-quality...
RTC CMOS Battery for HP ENVY TouchSmart 4-1223tu Ultrabook

RTC CMOS Battery for HP ENVY TouchSmart 4-1223tu Ultrabook

£8.61
Limited Time International Shipping Promo ̶$̶1̶3̶.̶9̶9̶ - $5 Flat FeeHigh-quality and reliable CMOS battery for your HP ENVY TouchSmart 4-1223tu UltrabookHP ENVY TouchSmart 4-1223tu Ultrabook CMOS batteries are the highest-quality...
RTC CMOS Battery for HP ENVY TouchSmart 4-1215dx Ultrabook

RTC CMOS Battery for HP ENVY TouchSmart 4-1215dx Ultrabook

£8.61
Limited Time International Shipping Promo ̶$̶1̶3̶.̶9̶9̶ - $5 Flat FeeHigh-quality and reliable CMOS battery for your HP ENVY TouchSmart 4-1215dx UltrabookHP ENVY TouchSmart 4-1215dx Ultrabook CMOS batteries are the highest-quality...
RTC CMOS Battery for HP ENVY TouchSmart 4-1210tu Ultrabook

RTC CMOS Battery for HP ENVY TouchSmart 4-1210tu Ultrabook

£8.61
Limited Time International Shipping Promo ̶$̶1̶3̶.̶9̶9̶ - $5 Flat FeeHigh-quality and reliable CMOS battery for your HP ENVY TouchSmart 4-1210tu UltrabookHP ENVY TouchSmart 4-1210tu Ultrabook CMOS batteries are the highest-quality...
RTC CMOS Battery for HP ENVY TouchSmart 4-1210sg Ultrabook

RTC CMOS Battery for HP ENVY TouchSmart 4-1210sg Ultrabook

£8.61
Limited Time International Shipping Promo ̶$̶1̶3̶.̶9̶9̶ - $5 Flat FeeHigh-quality and reliable CMOS battery for your HP ENVY TouchSmart 4-1210sg UltrabookHP ENVY TouchSmart 4-1210sg Ultrabook CMOS batteries are the highest-quality...
RTC CMOS Battery for HP ENVY TouchSmart 4-1202ex Ultrabook

RTC CMOS Battery for HP ENVY TouchSmart 4-1202ex Ultrabook

£8.61
Limited Time International Shipping Promo ̶$̶1̶3̶.̶9̶9̶ - $5 Flat FeeHigh-quality and reliable CMOS battery for your HP ENVY TouchSmart 4-1202ex UltrabookHP ENVY TouchSmart 4-1202ex Ultrabook CMOS batteries are the highest-quality...
RTC CMOS Battery for HP ENVY TouchSmart 4-1202eo Ultrabook

RTC CMOS Battery for HP ENVY TouchSmart 4-1202eo Ultrabook

£8.61
Limited Time International Shipping Promo ̶$̶1̶3̶.̶9̶9̶ - $5 Flat FeeHigh-quality and reliable CMOS battery for your HP ENVY TouchSmart 4-1202eo UltrabookHP ENVY TouchSmart 4-1202eo Ultrabook 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.