Best Replacement Cmos Batteries 2026

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Last Updated - 27.03.2026

Best Choice

01

EEMB

10 x CMOS Battery EEMB 3 V CR2032 Battery with Wire Cables and Molex Wire Connection for Computer or Laptop Motherboard Battery Non-Rechargeable

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9.7

Exceptional

Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

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LITHIUMKOIN BATTERY APPLICATION: EEMB 3V coin batteries provide reliable, long-lasting energy for your car key remote controls, electronic scales, electronic dictionaries, electronic watches, toys and some small devices.
If you have any questions or concerns about our products, please send us a message and we will get back to you within 24 hours.
GLOBAL TECHNICAL SUPPORT—Worldwide technical support. We pride ourselves on providing the highest level of customer satisfaction and have over 20 years of experience in the lithium battery business.
Durability energy saving: EEMB coin batteries are free from mercury, high pressure and high energy density, operating temperature range: -20°C to 60°C, durable for long-lasting performance. Less than 3% per year at room temperature, long effective period, superior high speed pulse discharge characteristics, continuous discharge stability.
CERTIFICATIONS - This is not a rechargeable battery. Do not charge the battery. UN 38.3 compliant. More than 400 EEMB battery models are UL certified. Search "MH20555" on UL for all EEMB UL certification information.

9,09 €
02

EEMB

10 x CMOS Battery EEMB 3 V CR2032 Battery with Wire Cables and Molex Wire Connection for Computer or Laptop Motherboard Battery Non-Rechargeable

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9.4

Excellent

Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

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Main highlights

LITHIUMKOIN BATTERY APPLICATION: EEMB 3V coin batteries provide reliable, long-lasting energy for your car key remote controls, electronic scales, electronic dictionaries, electronic watches, toys and some small devices.
If you have any questions or concerns about our products, please send us a message and we will get back to you within 24 hours.
GLOBAL TECHNICAL SUPPORT—Worldwide technical support. We pride ourselves on providing the highest level of customer satisfaction and have over 20 years of experience in the lithium battery business.
Durability energy saving: EEMB coin batteries are free from mercury, high pressure and high energy density, operating temperature range: -20°C to 60°C, durable for long-lasting performance. Less than 3% per year at room temperature, long effective period, superior high speed pulse discharge characteristics, continuous discharge stability.
CERTIFICATIONS - This is not a rechargeable battery. Do not charge the battery. UN 38.3 compliant. More than 400 EEMB battery models are UL certified. Search "MH20555" on UL for all EEMB UL certification information.

9,09 €
03

Aukson

G07 3V CMOS Battery BIOS CR2032 Plug 2-Pin Plug Cable PC Laptop Replacement Battery in Your Laptop

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9.3

Excellent

Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

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Voltage: 3 V, capacity: 210 mAh
Chemical composition: lithium
A small double-sided adhesive pad
3 V lithium button cell with cable and plug 2 pin

5,38 €
04

Eunicell

Eunicell 5 x CMOS BIOS Battery CR2032 3V Lithium Button Cell with MOLEX Plug (2-Pin) - RTC Buffer Battery Including Cable 15 cm Length for PC Motherboard & Laptop | Fixes Time Errors

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9.2

Excellent

Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

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Perfect replacement with Molex plug: specially equipped with a 2-pin MOLEX plug and approx. 15 cm cable length for wide compatibility with PC motherboards and laptops.
Pack of 5 premium CMOS batteries: reliable Eunicell CR2032 3V lithium button cell set for long-term needs - perfect for repairs and as a replacement part.
FIXES TIME & BIOS ERRORS: Ensures the correct function of your real-time clock (RTC) and prevents the reset of date, time and BIOS settings.
EASY REPLACEMENT & STABLE VOLTAGE Simple plug and play installation without soldering; delivers constant 3 volts for a reliable and long-lasting power supply.
Durable Eunicell quality: high-quality components guarantee a long service life and ensure stable system performance and fewer error messages

6,99 €
Value for Money

05

Eunicell

Eunicell 5 x CMOS BIOS Battery CR2032 3V Lithium Button Cell with MOLEX Plug (2-Pin) - RTC Buffer Battery Including Cable 15 cm Length for PC Motherboard & Laptop | Fixes Time Errors

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9.1

Excellent

Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

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Main highlights

Perfect replacement with Molex plug: specially equipped with a 2-pin MOLEX plug and approx. 15 cm cable length for wide compatibility with PC motherboards and laptops.
Pack of 5 premium CMOS batteries: reliable Eunicell CR2032 3V lithium button cell set for long-term needs - perfect for repairs and as a replacement part.
FIXES TIME & BIOS ERRORS: Ensures the correct function of your real-time clock (RTC) and prevents the reset of date, time and BIOS settings.
EASY REPLACEMENT & STABLE VOLTAGE Simple plug and play installation without soldering; delivers constant 3 volts for a reliable and long-lasting power supply.
Durable Eunicell quality: high-quality components guarantee a long service life and ensure stable system performance and fewer error messages

6,99 €
06

Eunicell

1 x CMOS Black Battery BIOS CR2032 3V Plug PC for HP

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9.0

Excellent

Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

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CMOS for BIOS

3,89 €
07

ViCep

ViCep 5-Pack CR2032 CMOS Battery 3V Motherboard BIOS Battery with 2 Cables and Molex Connection Computer Replacement Battery

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11% Off
8.9

Very Good

Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

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5. Quality assurance - Rigorously tested for performance. If you have any questions or concerns about our products, please send us a message and we will get back to you within 24 hours.
4. Safe Design - Advanced anti-leak technology and corrosion-resistant construction to protect your electronics. Please keep out of reach of children. Do not swallow.
3. Wide application: compatible with Alienware M11x R1 R2 Area-51 13 15 17 18 R2 R3 R4 M14x R1 R2 M17x M18x R2 Area-51 M9700 M9750; Dell Latitude E6520, E. 6420, E6320, XFR E6420, ATG E6420, E5530, E6230, E5430, E6530, E6430; IBM Lenovo Thinkpad T40 T400 T41 T410 T410I T42 T420 T420 T420. I T420 I S
2. Long-lasting energy and reliable performance - less than 3% self-discharge per year at room temperature. Designed for a consistent output voltage to supply devices in the range of -20°C to + 60°C (-4°F - 140°F).
1. Product specifications--Model: CR2032; Connector: molex51021. Before purchasing, make sure the polarity of the device matches that of the battery port. The polarity of the plug is not universal. (If the polarity of the battery connector does not match your device, there will be a bottleneck). Do not charge the battery.

7,99 € 8,99 €(11% Off off)
08

ViCep

ViCep 5-Pack CR2032 CMOS Battery 3V Motherboard BIOS Battery with 2 Cables and Molex Connection Computer Replacement Battery

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11% Off
8.8

Very Good

Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

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Main highlights

5. Quality assurance - Rigorously tested for performance. If you have any questions or concerns about our products, please send us a message and we will get back to you within 24 hours.
4. Safe Design - Advanced anti-leak technology and corrosion-resistant construction to protect your electronics. Please keep out of reach of children. Do not swallow.
3. Wide application: compatible with Alienware M11x R1 R2 Area-51 13 15 17 18 R2 R3 R4 M14x R1 R2 M17x M18x R2 Area-51 M9700 M9750; Dell Latitude E6520, E. 6420, E6320, XFR E6420, ATG E6420, E5530, E6230, E5430, E6530, E6430; IBM Lenovo Thinkpad T40 T400 T41 T410 T410I T42 T420 T420 T420. I T420 I S
2. Long-lasting energy and reliable performance - less than 3% self-discharge per year at room temperature. Designed for a consistent output voltage to supply devices in the range of -20°C to + 60°C (-4°F - 140°F).
1. Product specifications--Model: CR2032; Connector: molex51021. Before purchasing, make sure the polarity of the device matches that of the battery port. The polarity of the plug is not universal. (If the polarity of the battery connector does not match your device, there will be a bottleneck). Do not charge the battery.

7,99 € 8,99 €(11% Off off)
09

Bolwins

G07 CMOS BIOS Battery CR2032-3V Lithium Replacement Battery with 2-Pin Plug and Cable (5 cm) - Ideal for PC, Laptop & Motherboard - Includes Self-Adhesive Pad

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8.7

Very Good

Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

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Main highlights

UNIVERSAL COMPATIBILITY Works with most PC and laptop motherboards. Ideal for replacing old or empty CMOS batteries.
Technical Peak Power: Voltage: 3V, Capacity: 210mAh, Chemical Composition: Lithium - Guarantees long-lasting and stable performance.
Robust and reliable: compact size (20 x 3.3 mm) and high quality design. Available in Black or Yellow (Random Delivery)
High-quality CMOS BIOS battery (CR2032): perfect for PCs, laptops, motherboards and boot drives. Reliably replaces old CMOS batteries and restores date, time and BIOS functions.
Easy installation: 2 pin connector with fixed cable (5 cm) and a practical double-sided adhesive pad for firm grip and easy attachment.

5,38 €
10

Eunicell

Eunicell 1 x CMOS Batterie CR2032 mit Stecker 2 polig

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8.6

Very Good

Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

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Lithium button cell with cable and plug 2 pin
From fresh production
3 V

3,89 €