10 Best Key Fob Battery in The UK

Last updated on 15/08/2025

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Duracell CR2032 Lithium Coin Batteries 3V (8 Pack) - Up to 70% Extra Life* - Baby Secure Technology & Packaging – For Apple AirTags, Key Fobs, Home Devices, Fitness and Medical Accessories

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Why We Love It

Extended life for dependable use.
Child security features for safety.
Ten year storage guarantee.

Main Highlights

DURACELL CR2032 LITHIUM COIN BATTERIES are RECOMMENDED for use in APPLE AIRTAG and can be used in other devices such as Key Fobs, Home Devices, Fitness and Medical Accessories.
UP TO 70% EXTRA LIFE*
OUR MOST SECURE BATTERY EVER** in partnership with European Association of Paediatrics (**specific to 2032, 2025, 2016 thanks to the bitter taste ring on the cell and baby secure packaging)
BABY SECURE TECHNOLOGY: A non-toxic bitter taste ring-shaped layer with Bitrex applied on the back side of the cell to discourage swallowing by babies and toddlers.
BABY SECURE PACKAGING: With double blister that is difficult to open without scissors
10 YEARS IN STORAGE GUARANTEED: Our technologies keep unused batteries fresh for up to 10 years in their packaging
*vs minimum average duration Electronic Key IEC standard test for 2032 Lithium Coin, results may vary by device and usage patterns. **specific to 2032, 2025, 2016 thanks to the bitter taste ring on the cell and baby secure packaging

GP CR2025 3V Lithium Coin Cell Batteries 10 Pack - Flat Battery for Car Key/Key Fob Audi Mercedes Nissan - DL2025 2025 Batteries also suitable for scales/toys/heartrate monitor etc

40% OffFree Shipping

Why We Love It

Long shelf life of batteries.
Universal device compatibility.
Greater efficiency and longevity.

Main Highlights

CR2025 Battery 3V Lithium GP Batteries Extra Alkaline Pack of 10 comes in letter box friendly packaging, so there’s no need to wait in for delivery. The shelf life of these batteries is up to 7 years.
These CR2025 Batteries are replaceable by or are also known as: CR 2025 Batteries - DL2025 Batteries – ECR2025 Batteries - KCR2025 Batteries and 2025 Batteries.
Suitable for every day use in a variety of devices. Ideal for electronical toys, remote controls, 3D Glasses, Bike Lights, Watches, Heartbeat Monitors, Scales, Toys, Led Lights, Head Light, Torches, Car Keys, Calculators, Remote Controls, Dog Collars, Kitchen Scales, Led Candles, Laser pointer, E-Readers
The Extra technology means greater efficiency and longer battery life than other CR2025 or 2025 battery brands. New technological innovations mean that this battery size continues to be in demand for both new and old home devices. Meets all safety and environmental regulation. This pack is developed to be letter box friendly, so there’s no need to wait for delivery of this single item.
GP Batteries are world renowned for their battery expertise, with over 50 years of manufacturing heritage. More than just a brand, GP Batteries pride themselves in delivering top-quality products, taking every measure to ensure the safety of your device.

Energizer CR2025 Batteries (12 Pack) - Lithium 3V Coin Battery - Car Key Fobs, Watches, Home/Medical/Fitness Devices - 10 Year Shelf Life - Child Resistant Packaging [Amazon Exclusive]

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Why We Love It

Holds power for ten years.
Withstands wide temperature range.
Optimal for speciality devices.

Main Highlights

1 pack of Energizer CR2025 Lithium coin batteries
Long Lasting: Each lithium battery holds power for up to 10 years in storage, so they’re always ready when you need them
Trusted Power: Delivers long-lasting, dependable performance in speciality devices like heart rate monitors, remotes, keyless entry systems, calculators and toys
Safe: Energizer Lithium coin batteries are secured in child-resistant packaging
Reliable: These Energizer CR2025 lithium batteries perform in extreme temperatures, withstanding -30º to 60º C
Energizer Innovation: From the makers of the world’s longest-lasting AA batteries, Energizer Ultimate Lithium

4X Duracell Cr 2032 Lithium (1 Blister Pack of 4 Batteries) 4 Batteries

17% Off

Why We Love It

Reliable long-lasting lifespan.
Perfect for electronic devices.
High-quality lithium composition.

Main Highlights

Duracell 2032 Batteries Long Life Battery
CR2032 Duracell battery suitable for electronic devices
CR2032 fleece with lithium
cr2032 3v

LiCB CR2032 3V Lithium Battery CR 2032 10PCS

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Why We Love It

Reliable long-lasting power supply.
Versatile in numerous devices.
Handy 10PCS exact pack.

Main Highlights

High Quality: Tested under Strict Quality Control Standards. Grade A cells CR2032 Ensure Longer Battery Life and Long Lasting Power
Get the Exact Fresh CR2032 Battery, Have Full 3 Volts Charge, 3 Years Shelf Life
Primarily used in Watches, Computer motherboards, Calculators, PDAs, Electronic organizers, Garage door openers, Toys, Games, MP3 players, Digital voice recorders, Door chimes, Pet collars, LED lights, Sporting goods, Pedometers, Calorie counters, Stopwatches, Glucometers, Medical devices, and more
If your device uses any of the following batteries, this is what you are looking for.:CR2032，CR2032BP，DL2032，ECR2032，KCR2032，BR2032，LM2032,5004LC，5004LB，L14，SB-T15，EA2032C，EA-2032C，L2032,2032，DJ2032，KL2032，E- CR2032，KECR2032，GPCR2032，KT-CR2032
What You Get: 10PCS CR2032 Batteries in Exact Blister Pack

CR2032 Batteries 3V Lithium – Pack of 10 – (CR 2032 / Batteries CR2032 / DL2032 / ECR2032/) GP Extra By GP Batteries Ideal for CMOS - Remotes – Head Torch - Tea Light Candles – Toys – Keyfob – Scales

25% OffFree Shipping

Why We Love It

Long-lasting, efficient performance.
Child-resistant, safe packaging.
Versatile device compatibility.

Main Highlights

💜CR2032 Battery 3V Lithium GP Batteries Extra Pack of 10. These Extra battery is sold all over the world. One of the Top ranges of GP Batteries. These Extra Lithium pack of GP Batteries come in a handy letterbox friendly packaging so there’s no need to wait in. Inside the box the batteries are packed in 2 packs of 5 batteries, 10 in total. These batteries can be stored up to 10 years.
💜 These Extra CR2032 Batteries are also known as, or replaceable by any other 2032 battery brand, or DL2032 batteries, ECR2032 batteries, 20 32 batteries, CR 2032 Batteries.These batteries can be replaced by any other rechargeable or single use battery that have the same reference code.
💜 The Extra batteries can be used in everyday household devices. This means devices such as remote controls, toys, scales, car keys, key fobs, calculators, remote controls, dog collars, kitchen scales, scales, led candles, laser pointers, e-readers, Christmas lighting and many more CR2032 is one of the most used coin cell battery there is. For reference: these flat batteries will last 42 hours in a scale and over 90 hours in a calculator.
💜What do you get? Mailbox friendly packaging with 2 packs of 5 batteries inside. The batteries are leak proof so they are safe to put in any device. This battery pack you can easily store them in your home, so whenever you need power you have access to these batteries. The Extra technology means greater efficiency and longer battery life than other CR2032 / 2032 brands. New technological innovations mean that this battery size continues to be in high demand for both new and hold home devices.
💜This pack has child resistant packaging. This means that it's designed that children cannot acces the battery in the packaging. Due to this measure you cannot open the packaging by hand.

DURACELL 2025 Lithium Coin Batteries 3V (4 Pack) - Up to 70% Extra Life - Baby Secure Technology - For Use in Key Fobs, Fitness Watches and 3D Glasses - Baby Secure Packaging

49% Off

Why We Love It

Great for diverse device use.
Features child security enhancements.
Promises decade-long storage life.

Main Highlights

DURACELL cr2025 LITHIUM COIN BATTERIES are ideal for use in key fobs, car key remotes, sensors, medical and sports devices.
UP TO 70% EXTRA LIFE (vs minimum average duration Electronic Key IEC standard test for 2025 Lithium Coin. Results may vary by device and usage patterns.)
OUR MOST SECURE BATTERY EVER** in partnership with European Association of Paediatrics (**specific to 2032, 2025, 2016 thanks to the bitter taste ring on the cell and baby secure packaging)
BABY SECURE TECHNOLOGY: A non-toxic bitter taste ring-shaped layer with Bitrex applied on the back side of the cell to discourage swallowing by babies and toddlers.
BABY SECURE PACKAGING: With double blister that is difficult to open without scissors
GUARANTEED LIFE FOR 10 YEARS IN STORAGE

Power Peak CR2032 Battery - 3V Lithium Coin Cell Button Batteries - Suitable for AirTag, Car Key Fob, Kitchen Scale, Watch, Remote Control, Toys - CR 2032 DL2032

20% OffFree Shipping

Why We Love It

Enduring performance and power.
Consistent and stable output.
Long-term storage readiness.

Main Highlights

LONG-LASTING POWER: Provides steady, reliable energy to keep your devices running longer—great for everyday use in watches, remotes, and medical tools.
STABLE VOLTAGE: Provides a consistent 3V output from start to finish, helping sensitive electronics work smoothly and without interruptions.
EXTENDED SHELF LIFE: Holds power for up to 10 years in storage, so it's ready whenever you need it—no surprises, no loss of charge.
CHILD-SECURE PACKAGING: Comes in a tamper-resistant package that’s tough for kids to open, giving you peace of mind at home.
LEAK-RESISTANT BUILD: Designed to prevent leaks and protect your devices—even after long periods in storage.

Amazon Basics 6-Pack CR2032 Lithium Coin Cell Battery, 3 Volt, Long Lasting Power, Mercury-Free

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Why We Love It

Long shelf life for reliability.
Perfect for small electronics.
Easy identification with engraving.

Main Highlights

4-pack of lithium coin cell batteries; CR2032 cell size
8-year leak-free shelf life, ideal for watches, calculators, key fobs, Apple TV remotes and other small electronics
Replacement for BR2032, DL2032 and ECR2032
3V power and 225mAh capacity; offers reliable performance
Engraved with battery model for easy identification
Each battery measures 0.8 inch (2.03 cm) in diameter by 0.1 inch (.25 cm) thick; To learn more about recycling single-use batteries, simply copy/paste this link into your browser: call2recycle.org/what-can-i-recycle

5Plus Group 5 Pcs 2032 CR2032 DL2032 ECR2032 3V Lithium Coin Cell Batteries – Ideal for Keyfobs, Scales, AirTags, Wearables, and Other Devices – Great for Home, Professional, and Commercial Use

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Why We Love It

Safe for the environment.
Ideal for everyday devices.
Inspected for optimum quality.

Main Highlights

High-Quality 3V Power: Provides consistent and reliable energy for your devices
Wide Compatibility: Works with keyfobs, digital scales, AirTags, fitness trackers, remote controls, and other electronics that use CR2032, DL2032, or ECR2032 batteries
Long-Lasting Performance: Designed for extended use, ensuring your devices stay powered up for longer
Easy to Use: Compact, coin-cell design that is simple to install in compatible devices
Value Pack: Includes 5 batteries per pack to ensure you always have a spare when you need it
Versatile Applications: Ideal for home use, professional environments, and commercial applications
Cost-Effective Solution: Reliable power at an affordable price, perfect for everyday device needs

8.7

Excellent

We scanned 1727 products

We reviewed these offers relevant to the Key Fob Battery within online retailers such as Amazon, eBay and other local retailers, ensuring we covered all major brands and models. The products we selected come from trusted brands like Duracell, GP, Energizer, LiCB, Power Peak, Amazon Basics, 5 Plus, all of which have a reputation for consistently delivering high-quality products that users love and innovative approaches for function & design.

For the best Key Fob Battery in the market, we considered we took a deep dive into 8636 online reviews , focusing on elements like user satisfaction, performance in real-world conditions, and long-term reliability. Our ranking also evaluates each review’s relevancy, authenticity, up-to-dateness and depth so that the comparison is more sound.

We concluded that:

The clear winner of our analysis is Duracell CR2032 Lithium Coin Batteries 3V (8 Pack) - Up to 70% Extra Life* - Baby Secure Technology & Packaging – For Apple AirTags, Key Fobs, Home Devices, Fitness and Medical Accessories. We love many things about this product by Duracell. What sets it apart from the competition is Extended life for dependable use. , Child security features for safety. , Ten year storage guarantee.
The best value product for most shoppers and where user satisfaction is continuously the highest is GP CR2025 3V Lithium Coin Cell Batteries 10 Pack - Flat Battery for Car Key/Key Fob Audi Mercedes Nissan - DL2025 2025 Batteries also suitable for scales/toys/heartrate monitor etc by GP based on online reviews by bloggers, experts and online shoppers.
The biggest bargain at the moment for Key Fob Battery and the best cost-to-value ratio is DURACELL 2025 Lithium Coin Batteries 3V (4 Pack) - Up to 70% Extra Life - Baby Secure Technology - For Use in Key Fobs, Fitness Watches and 3D Glasses - Baby Secure Packagingat Duracell with a 49% discount.
Our list of the best Key Fob Battery is updated regularly to reflect new releases and changes in product availability, so be sure to check back often for the latest rankings and discounts.

10 Best Key Fob Battery in The UK

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Duracell CR2032 Lithium Coin Batteries 3V (2 Pack) - Up to 70% Extra Life* - Baby Secure Technology – Recommended for use in Apple AirTag - Use in Key Fobs, Home Devices, Fitness, Medical Accessories

Energizer CR2032 Batteries (4 Pack) - Lithium 3V Coin Battery - AirTags, Car Key Fobs, Watches, Home/Medical/Fitness Devices - 10 Year Shelf Life - Child Resistant Packaging

DURACELL 2025 Lithium Coin Batteries 3V (2 pack) - Up to 70% Extra Life - Baby Secure Technology - For Use in Key Fobs, Fitness Watches and 3D Glasses - Baby Secure Packaging

Duracell DL2032 / CR2032 Lithium Button Cell, 3V, 1 Pack

EEMB CR2032 Battery 5PACK CR2032 3V Lithium Battery Button Coin Cell Batteries 2032 Battery DL2032 ECR2032 LM2032 for Remotes Watches Calculators Medical Devices Computer Motherboards Key Fobs

Energizer CR2025 Batteries (4 Pack) - Lithium 3V Coin Battery - Car Key Fobs, Watches, Home/Medical/Fitness Devices - 10 Year Shelf Life - Child Resistant Packaging

Panasonic CR2032 3.0 Volt Long Lasting Lithium Coin Cell Batteries in Child Resistant, Standards Based Packaging, 2-Battery Pack

LiCB CR2032 Battery 3V Lithium 5PCS (CR 2032 / Batteries CR2032 / DL2032 / ECR2032/) for Computer motherboards,Remotes,LED lights,Glucometers,Toys,Car key,Scales.

5Plus 10-Pack LR44 AG13 357 303 SR44 A76 675 392 394 384 376 1.5V Alkaline Button Cell Batteries – Ideal for Watches, Hearing Aids, Glucometers, Key Fobs, Car Keys, and Small Electronics

Allmax CR2032 Lithium Coin Batteries (12 Count) – Longest Lasting, Leakproof Design, 10-Year Shelf Life, Maximum Performance, Perfect for Key Fobs (3V)

We scanned 1727 products

We concluded that: