Best Laptop Replacement CMOS Batteries of 2025
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Laptop Replacement CMOS Batteries are small, coin-shaped batteries that power the CMOS memory of your laptop. These batteries are essential for keeping the date and time accurate, as well as storing BIOS settings when the laptop is turned off. When the CMOS battery starts to fail, your laptop may experience issues such as incorrect date and time, boot failures, or BIOS errors. Replacing the CMOS battery is a simple and cost-effective solution to ensure your laptop runs smoothly. There are various reliable and compatible brands of replacement CMOS batteries available in the market that you can easily install yourself or seek professional advice.
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Top 10 Laptop Replacement CMOS Batteries
CMOS BIOS CR2032 3V Batteries (2 Pack)
The Battery Life CR2032 Batteries are designed for your CMOS BIOS needs, providing a reliable 3V power supply. This pack contains two batteries, ensuring you have a backup when the original runs low. With a 2-pin configuration, these batteries are easy to install and compatible with various PCs, including Lenovo ThinkPad and DELL. Before placing your order, check your device's battery type to ensure compatibility, giving you peace of mind that you are purchasing the right product for your laptop.
Rechargeable ML2032 Battery for Logitech K750
The ML2032 Rechargeable Battery is a convenient power source for your Logitech K750 keyboard and other devices. With a voltage of 3.0V, it ensures reliable performance. Its excellent charge and discharge cycle characteristics mean you can enjoy extended use without frequent replacements. Additionally, the low self-discharge rate allows you to keep the battery stored for longer periods without losing power, giving you peace of mind. This battery’s quality performance ensures that your devices run smoothly and efficiently.
eoSync CR2032 CMOS Battery for PCs and Laptops
The eoSync CR2032 Battery is designed for a wide range of temperatures, operating efficiently between -20°C and +40°C. This ensures that it performs reliably even in demanding conditions. With its user-friendly 2 pin plug, connecting the battery to your motherboard or laptop is simple and hassle-free. The battery prioritises safety, featuring a sturdy seal and standard resistance, making it a secure choice for various devices. Additionally, it comes ready to use with a 3V nominal voltage, providing peace of mind when your CMOS battery needs replacement.
Panasonic CR-2032/S5LE Lithium CMOS Battery for IBM
The Panasonic CR-2032 CMOS Battery is a genuine replacement part designed specifically for IBM notebooks. It features a durable lithium cell from Panasonic, ensuring a long and reliable service life for your device. The battery comes with an adhesive pad on the bottom, making installation straightforward and convenient for you. With its new product date of manufacture, you can trust that this battery will perform well, providing the necessary power for your BIOS and RTC functions.
DBTLAP CMOS RTC Battery for Laptops
The DBTLAP CMOS Battery is a high-quality replacement for your laptop's motherboard. This rechargeable 3V CMOS BIOS RTC battery ensures your system retains essential settings, making it an ideal choice for those needing to replace a faulty or broken battery. With each unit tested before shipping, you can trust in its reliability. The package includes one battery, providing a straightforward solution to keep your laptop running smoothly.
Gintai CMOS Battery for Lenovo ThinkPad
The Gintai ThinkPad CMOS Battery is a reliable replacement option designed specifically for various Lenovo ThinkPad models, including the X230s, X240, and X1 Carbon 1st Gen. This 3V CR1632/S7BN battery ensures your laptop maintains its essential settings and time, providing peace of mind during use. It's crucial to check your model number before purchasing, ensuring compatibility and preventing any inconvenience. Remember to handle the battery with dry hands for safety, making the replacement process simple and secure.
CMOS BIOS RTC Battery for Dell Optiplex 780, 790
The Dell Optiplex CMOS Battery is a reliable replacement for your Optiplex 780 and 790 computers. With same day postage, you can enjoy prompt delivery, ensuring minimal downtime. This battery is designed to maintain your computer's BIOS settings, providing peace of mind that your hardware configurations remain intact. As a generic brand, it offers a cost-effective solution without compromising on quality, making it an excellent choice for users looking to replace their old battery efficiently.
DBTLAP CMOS Battery for HP Zbook Models
The DBTLAP CMOS Battery is a reliable replacement for HP Zbook 15 G2 and 17 G1 G2 models. This product includes one high-quality CMOS BIOS RTC battery, designed specifically for laptop motherboards. By replacing your faulty or broken battery, you can ensure your laptop functions optimally. Each battery is tested before shipping, providing you with peace of mind and confidence in its performance.
BenjiPower CR2032 3V CMOS Battery with Connector
The BenjiPower CR2032 Battery is a reliable replacement for your laptop's CMOS system. With a voltage of 3V, it ensures your device retains essential settings, such as date and time. The battery's two-pin connector cable makes installation straightforward, providing you with convenience during setup. Additionally, this battery is compatible with a wide range of laptop models, offering flexibility for various users. Choosing this battery helps maintain your laptop's performance and reliability.
DBTLAP CMOS Battery for HP Elitebook Series
The DBTLAP CMOS Battery is a reliable replacement for your HP Elitebook 2570p, 755 G2, 840 G2, and 850 G2 models. This package includes one high-quality CMOS BIOS RTC battery, ensuring your laptop motherboard functions optimally. With a focus on convenience, this new battery is designed to replace any faulty, cracked, or broken CMOS battery, allowing you to maintain your device's performance. Plus, the battery is tested before shipping, providing peace of mind that you are receiving a dependable product.
Frequently Asked Questions (FAQs)
1. Can you replace laptop CMOS battery?
The CMOS battery is a piece of hardware that's unique to laptops. When it dies, it could cause your laptop to encounter problems booting up. Thankfully, it's easy to install a new CMOS battery in your laptop.
2. Is it worth replacing CMOS battery?
The CMOS (Complementary Metal Oxide Semiconductor) chip on your computer remembers everything like the disk drive, time and date, etc., so you don't want to have a CMOS battery failure. The CMOS battery always provides power to the CMOS chip – i.e., even when your computer is OFF – to save all the settings.
3. Is CMOS battery necessary for laptop?
CMOS RAM requires a battery; the settings would otherwise be lost when the PC was switched off. Modern computers don't use CMOS RAM anymore. They store the BIOS settings in non-volatile memory, which means that the settings don't need constant power to be saved.
4. Can CMOS battery affect laptop battery?
if battery to laptop is removed and the plug comes lose, or dead battery and the plug comes lose. the CMOS was the redundancy power for those settings, without it the unit will need constant power from one of the other sources at all times or you will need to reset the BIOS settings ( time and date- RAM speed, etc.)
During our laptop replacement cmos battery research, we found 135 laptop replacement cmos battery products and shortlisted 10 quality products. We collected and analyzed 4,707 customer reviews through our big data system to write the laptop replacement cmos batteries list. We found that most customers choose laptop replacement cmos batteries with an average price of £6.34.
The laptop replacement cmos batteries are available for purchase. We have researched hundreds of brands and picked the top brands of laptop replacement cmos batteries, including Battery Life, eoSync, IBM, DBTLAP, Gintai. The seller of top 1 product has received honest feedback from 900 consumers with an average rating of 4.7.
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