CMOS Batteries

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RTC CMOS Battery for Dell Precision T7400 Workstation Desktop / DCDO

RTC CMOS Battery for Dell Precision T7400 Workstation Desktop / DCDO

¥44.05
Limited Time International Shipping Promo ̶$̶1̶3̶.̶9̶9̶ - $5 Flat Fee High-quality and reliable CMOS battery for your Dell Precision T7400 Workstation Desktop / DCDODell Precision T7400 Workstation Desktop / DCDO...
RTC CMOS Battery for Dell Precision T5400 Workstation Desktop / DCTA

RTC CMOS Battery for Dell Precision T5400 Workstation Desktop / DCTA

¥44.05
Limited Time International Shipping Promo ̶$̶1̶3̶.̶9̶9̶ - $5 Flat Fee High-quality and reliable CMOS battery for your Dell Precision T5400 Workstation Desktop / DCTADell Precision T5400 Workstation Desktop / DCTA...
RTC CMOS Battery for Dell Precision M6800 / P30F / P30F001

RTC CMOS Battery for Dell Precision M6800 / P30F / P30F001

¥80.83
Limited Time International Shipping Promo ̶$̶1̶3̶.̶9̶9̶ - $5 Flat Fee High-quality and reliable CMOS battery for your Dell Precision M6800 / P30F / P30F001Dell Precision M6800 / P30F / P30F001...
RTC CMOS Battery for Dell Precision M4800 / P20E / P20E001

RTC CMOS Battery for Dell Precision M4800 / P20E / P20E001

¥80.83
Limited Time International Shipping Promo ̶$̶1̶3̶.̶9̶9̶ - $5 Flat Fee High-quality and reliable CMOS battery for your Dell Precision M4800 / P20E / P20E001Dell Precision M4800 / P20E / P20E001...
RTC CMOS Battery for Dell Precision M2400 / PP27L

RTC CMOS Battery for Dell Precision M2400 / PP27L

¥80.83
Limited Time International Shipping Promo ̶$̶1̶3̶.̶9̶9̶ - $5 Flat Fee High-quality and reliable CMOS battery for your Dell Precision M2400 / PP27LDell Precision M2400 / PP27L CMOS batteries are the...
RTC CMOS Battery for Dell Precision 7530 / P74F / P74F001

RTC CMOS Battery for Dell Precision 7530 / P74F / P74F001

¥80.83
Limited Time International Shipping Promo ̶$̶1̶3̶.̶9̶9̶ - $5 Flat Fee High-quality and reliable CMOS battery for your Dell Precision 7530 / P74F / P74F001Dell Precision 7530 / P74F / P74F001...
RTC CMOS Battery for Dell Precision 3470 / P137G / P137G007 / P137G008

RTC CMOS Battery for Dell Precision 3470 / P137G / P137G007 / P137G008

¥80.83
Limited Time International Shipping Promo ̶$̶1̶3̶.̶9̶9̶ - $5 Flat Fee High-quality and reliable CMOS battery for your Dell Precision 3470 / P137G / P137G007 / P137G008Dell Precision 3470 / P137G...
RTC CMOS Battery for Dell Alienware Steam Machine ASM100-1580

RTC CMOS Battery for Dell Alienware Steam Machine ASM100-1580

¥80.83
Limited Time International Shipping Promo ̶$̶1̶3̶.̶9̶9̶ - $5 Flat Fee High-quality and reliable CMOS battery for your Dell Alienware Steam Machine ASM100-1580Dell Alienware Steam Machine ASM100-1580 CMOS batteries are the...
Replacement RTC CMOS Battery for Lenovo (Part Number) 01HY008, GC020021P00, SB10L70751, SB10L70753, SB10G62453

Replacement RTC CMOS Battery for Lenovo (Part Number) 01HY008, GC020021P00, SB10L70751, SB10L70753, SB10G62453

¥80.83
Limited Time International Shipping Promo ̶$̶1̶3̶.̶9̶9̶ - $5 Flat FeeHigh-quality and reliable CMOS battery for your Lenovo (Part Number) 01HY008, GC020021P00, SB10L70751, SB10L70753, SB10G62453Lenovo (Part Number) 01HY008, GC020021P00, SB10L70751, SB10L70753,...
RTC CMOS Battery for Dell Latitude E6400 / PP27L

RTC CMOS Battery for Dell Latitude E6400 / PP27L

¥80.83
Limited Time International Shipping Promo ̶$̶1̶3̶.̶9̶9̶ - $5 Flat Fee High-quality and reliable CMOS battery for your Dell Latitude E6400 / PP27LDell Latitude E6400 / PP27L CMOS batteries are the...
RTC CMOS Battery for Dell Latitude E6220 / P15S / P15S001

RTC CMOS Battery for Dell Latitude E6220 / P15S / P15S001

¥80.83
Limited Time International Shipping Promo ̶$̶1̶3̶.̶9̶9̶ - $5 Flat Fee High-quality and reliable CMOS battery for your Dell Latitude E6220 / P15S / P15S001Dell Latitude E6220 / P15S / P15S001...
RTC CMOS Battery for Dell Latitude D610 / PP11L

RTC CMOS Battery for Dell Latitude D610 / PP11L

¥80.83
Limited Time International Shipping Promo ̶$̶1̶3̶.̶9̶9̶ - $5 Flat Fee High-quality and reliable CMOS battery for your Dell Latitude D610 / PP11LDell Latitude D610 / PP11L CMOS batteries are 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.