CMOS Batteries

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RTC CMOS Battery for Dell PowerEdge R910

RTC CMOS Battery for Dell PowerEdge R910

£4.53 £5.28
High-quality and reliable CMOS battery for your Dell PowerEdge R910Dell PowerEdge R910 CMOS batteries are the highest-quality lithium-ion batteries on the market. High power ensures efficient operation and long service...
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RTC CMOS Battery for Dell PowerEdge R905

RTC CMOS Battery for Dell PowerEdge R905

£4.53 £5.28
High-quality and reliable CMOS battery for your Dell PowerEdge R905Dell PowerEdge R905 CMOS batteries are the highest-quality lithium-ion batteries on the market. High power ensures efficient operation and long service...
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RTC CMOS Battery for Dell PowerEdge R900

RTC CMOS Battery for Dell PowerEdge R900

£4.53 £5.28
High-quality and reliable CMOS battery for your Dell PowerEdge R900Dell PowerEdge R900 CMOS batteries are the highest-quality lithium-ion batteries on the market. High power ensures efficient operation and long service...
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RTC CMOS Battery for Dell PowerEdge R840

RTC CMOS Battery for Dell PowerEdge R840

£4.53 £5.28
High-quality and reliable CMOS battery for your Dell PowerEdge R840Dell PowerEdge R840 CMOS batteries are the highest-quality lithium-ion batteries on the market. High power ensures efficient operation and long service...
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RTC CMOS Battery for Dell PowerEdge R830

RTC CMOS Battery for Dell PowerEdge R830

£4.53 £5.28
High-quality and reliable CMOS battery for your Dell PowerEdge R830Dell PowerEdge R830 CMOS batteries are the highest-quality lithium-ion batteries on the market. High power ensures efficient operation and long service...
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RTC CMOS Battery for Dell PowerEdge R820

RTC CMOS Battery for Dell PowerEdge R820

£4.53 £5.28
High-quality and reliable CMOS battery for your Dell PowerEdge R820Dell PowerEdge R820 CMOS batteries are the highest-quality lithium-ion batteries on the market. High power ensures efficient operation and long service...
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RTC CMOS Battery for Dell PowerEdge R7625

RTC CMOS Battery for Dell PowerEdge R7625

£4.53 £5.28
High-quality and reliable CMOS battery for your Dell PowerEdge R7625Dell PowerEdge R7625 CMOS batteries are the highest-quality lithium-ion batteries on the market. High power ensures efficient operation and long service...
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RTC CMOS Battery for Dell PowerEdge R7525

RTC CMOS Battery for Dell PowerEdge R7525

£4.53 £5.28
High-quality and reliable CMOS battery for your Dell PowerEdge R7525Dell PowerEdge R7525 CMOS batteries are the highest-quality lithium-ion batteries on the market. High power ensures efficient operation and long service...
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RTC CMOS Battery for Dell PowerEdge R7515

RTC CMOS Battery for Dell PowerEdge R7515

£4.53 £5.28
High-quality and reliable CMOS battery for your Dell PowerEdge R7515Dell PowerEdge R7515 CMOS batteries are the highest-quality lithium-ion batteries on the market. High power ensures efficient operation and long service...
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RTC CMOS Battery for Dell PowerEdge R7425

RTC CMOS Battery for Dell PowerEdge R7425

£4.53 £5.28
High-quality and reliable CMOS battery for your Dell PowerEdge R7425Dell PowerEdge R7425 CMOS batteries are the highest-quality lithium-ion batteries on the market. High power ensures efficient operation and long service...
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RTC CMOS Battery for Dell PowerEdge R7415

RTC CMOS Battery for Dell PowerEdge R7415

£4.53 £5.28
High-quality and reliable CMOS battery for your Dell PowerEdge R7415Dell PowerEdge R7415 CMOS batteries are the highest-quality lithium-ion batteries on the market. High power ensures efficient operation and long service...
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RTC CMOS Battery for Dell PowerEdge R750xs

RTC CMOS Battery for Dell PowerEdge R750xs

£4.53 £5.28
High-quality and reliable CMOS battery for your Dell PowerEdge R750xsDell PowerEdge R750xs CMOS batteries are the highest-quality lithium-ion batteries on the market. High power ensures efficient operation and long service...
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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.