CMOS Batteries

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RTC CMOS Battery for HP Compaq Mini 700 Series

RTC CMOS Battery for HP Compaq Mini 700 Series

£8.63
Limited Time International Shipping Promo ̶$̶1̶3̶.̶9̶9̶ - $5 Flat FeeHigh-quality and reliable CMOS battery for your HP Compaq Mini 700 SeriesHP Compaq Mini 700 Series CMOS batteries are the highest-quality...
RTC CMOS Battery for HP 2133 Mini-Note PC

RTC CMOS Battery for HP 2133 Mini-Note PC

£8.63
Limited Time International Shipping Promo ̶$̶1̶3̶.̶9̶9̶ - $5 Flat FeeHigh-quality and reliable CMOS battery for your HP 2133 Mini-Note PCHP 2133 Mini-Note PC CMOS batteries are the highest-quality lithium-ion batteries...
RTC CMOS Battery for HP Mini 110

RTC CMOS Battery for HP Mini 110

£8.63
Limited Time International Shipping Promo ̶$̶1̶3̶.̶9̶9̶ - $5 Flat FeeHigh-quality and reliable CMOS battery for your HP Mini 110HP Mini 110 CMOS batteries are the highest-quality lithium-ion batteries on the...
RTC CMOS Battery for Samsung Series 9 NP900X4B

RTC CMOS Battery for Samsung Series 9 NP900X4B

£8.63
Limited Time International Shipping Promo ̶$̶1̶3̶.̶9̶9̶ - $5 Flat FeeHigh-quality and reliable CMOS battery for your Samsung Series 9 NP900X4BSamsung Series 9 NP900X4B CMOS batteries are the highest-quality lithium-ion batteries...
RTC CMOS Battery for HP EliteBook 846 G6

RTC CMOS Battery for HP EliteBook 846 G6

£8.63
Limited Time International Shipping Promo ̶$̶1̶3̶.̶9̶9̶ - $5 Flat FeeHigh-quality and reliable CMOS battery for your HP EliteBook 846 G6HP EliteBook 846 G6 CMOS batteries are the highest-quality lithium-ion batteries...
RTC CMOS Battery for HP EliteBook 846 G5

RTC CMOS Battery for HP EliteBook 846 G5

£8.63
Limited Time International Shipping Promo ̶$̶1̶3̶.̶9̶9̶ - $5 Flat FeeHigh-quality and reliable CMOS battery for your HP EliteBook 846 G5HP EliteBook 846 G5 CMOS batteries are the highest-quality lithium-ion batteries...
RTC CMOS Battery for HP EliteBook 848 G3

RTC CMOS Battery for HP EliteBook 848 G3

£8.63
Limited Time International Shipping Promo ̶$̶1̶3̶.̶9̶9̶ - $5 Flat FeeHigh-quality and reliable CMOS battery for your HP EliteBook 848 G3HP EliteBook 848 G3 CMOS batteries are the highest-quality lithium-ion batteries...
RTC CMOS Battery for HP EliteBook 828 G4

RTC CMOS Battery for HP EliteBook 828 G4

£8.63
Limited Time International Shipping Promo ̶$̶1̶3̶.̶9̶9̶ - $5 Flat FeeHigh-quality and reliable CMOS battery for your HP EliteBook 828 G4HP EliteBook 828 G4 CMOS batteries are the highest-quality lithium-ion batteries...
RTC CMOS Battery for HP EliteBook 828 G3

RTC CMOS Battery for HP EliteBook 828 G3

£8.63
Limited Time International Shipping Promo ̶$̶1̶3̶.̶9̶9̶ - $5 Flat FeeHigh-quality and reliable CMOS battery for your HP EliteBook 828 G3HP EliteBook 828 G3 CMOS batteries are the highest-quality lithium-ion batteries...
RTC CMOS Battery for HP EliteBook 720 G2

RTC CMOS Battery for HP EliteBook 720 G2

£8.63
Limited Time International Shipping Promo ̶$̶1̶3̶.̶9̶9̶ - $5 Flat FeeHigh-quality and reliable CMOS battery for your HP EliteBook 720 G2HP EliteBook 720 G2 CMOS batteries are the highest-quality lithium-ion batteries...
RTC CMOS Battery for HP EliteBook 720 G1

RTC CMOS Battery for HP EliteBook 720 G1

£8.63
Limited Time International Shipping Promo ̶$̶1̶3̶.̶9̶9̶ - $5 Flat FeeHigh-quality and reliable CMOS battery for your HP EliteBook 720 G1HP EliteBook 720 G1 CMOS batteries are the highest-quality lithium-ion batteries...
RTC CMOS Battery for HP ZBook 15u G5

RTC CMOS Battery for HP ZBook 15u G5

£8.63
Limited Time International Shipping Promo ̶$̶1̶3̶.̶9̶9̶ - $5 Flat FeeHigh-quality and reliable CMOS battery for your HP ZBook 15u G5HP ZBook 15u G5 CMOS batteries are the highest-quality lithium-ion batteries...

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.