Best CR2032 Batteries For Key Fobs

Looking for the best CR2032 batteries for your key fob?
We provide a quick, easy-to-read guide that compares top brands so you can choose the longest‑lasting, child‑safe battery with confidence.

Finding the right CR2032 battery for your key fob can be tricky. With so many options, it’s hard to know which one is best. We’ve tested and compared top brands to make it easy for you.

Duracell, Energizer, and Amazon Basics are popular choices. They offer long-lasting power and child-safe features.

Choosing the right battery saves time and money. Our guide helps you pick the perfect one for your needs.

List of Top 10 CR2032 Batteries For Key Fobs

Title	Best For	Price
Duracell 2032 Lithium Battery, 4 Count (Pack of 1), Child Safety Features, Compatible with Key Fob, Tea Light Candles and Other Devices, CR2032 Battery	This Duracell 2032 Lithium Battery is perfect for anyone who needs long‑lasting power for everyday gadgets like key fobs, remote controls, and wireless cameras. It’s also great for parents who value child‑safe packaging and a bitter coating that keeps kids from swallowing batteries.	View on Amazon (paid link)
Duracell 2032 Lithium Battery, 2 Count (Pack of 1), Child Safety Features, Compatible with Key Fob, Tea Light Candles and Other Devices, CR2032 Battery	This battery is perfect for anyone who needs long‑lasting power for small devices. It’s great for parents keeping kids safe and for tech lovers who rely on key fobs, remote controls, and gadgets that need a steady 3‑volt source.	View on Amazon (paid link)
CR2032 Key Fob Replacement Batteries – Universal Fit, Compatible with Car Key Fobs Requiring CR2032 Batteries (2-Pack) Installation Guide Included	This product is perfect for anyone who wants to save money and time by replacing their car key fob battery themselves. It’s easy to use and works with all key fobs needing CR2032 batteries.	View on Amazon (paid link)
Duracell CR2032 Lithium Battery 3 Volt, 9 Count, Child Safety Features, Compatible with AirTag, Key Fob, Tea Light Candles and Other Devices, 10 Year Storage Guarantee	Duracell CR2032 Lithium Batteries are perfect for anyone who needs reliable power for small devices. Whether you’re using key fobs, AirTags, remote controls, or flameless candles, these batteries are safe, long-lasting, and ready when you need them.	View on Amazon (paid link)
Duracell 2032 Lithium Battery, 6 Count (Pack of 1), Child Safety Features, Compatible with Key Fob, Tea Light Candles and Other Devices, CR2032 Battery	Duracell 2032 Lithium Batteries are perfect for anyone who needs long‑lasting power for small devices—think key fobs, remote controls, Apple AirTags, flameless candles, and wireless cameras. They’re also ideal for parents who want child‑secure packaging and a bitter coating that discourages swallowing.	View on Amazon (paid link)
Energizer 2032 Batteries (6 Pack), 3V Lithium Coin Batteries	This is perfect for anyone who needs safe, strong, and long‑lasting power for small devices. It’s great for people who want extra protection around kids and need batteries they can trust every day.	View on Amazon (paid link)
YFCN CR2032 Battery 3V Lithium Batteries 5 Count Pack CR2032 Batteries – CR 2032 Coin Cell Battery for AirTag, Key Fob, Remotes- 10 Years Shelf Life	YFCN CR2032 batteries are perfect for anyone who needs reliable power for small devices. They’re great for AirTags, key fobs, remotes, and more.	View on Amazon (paid link)
Amazon Basics CR2032 3V Lithium Coin Cell Batteries for Key Fob, Watch, Remote, Child-Proof Package, Non-Coated, AirTag Compatible, 10-Pack	This 10-pack of CR2032 batteries is perfect for anyone who needs reliable power for small devices. It’s great for watches, key fobs, remotes, and more.	View on Amazon (paid link)
Granicell High Capacity CR2032 Lithium Battery (25-Pack) 2032 Lithium 3V Coin Battery for Child Safety, Suitable for Key Fobs, Smart Sensors, Scales, Candles and More	This is great for anyone who needs safe, long‑lasting power for small devices. It’s ideal for people who use key fobs, smart sensors, scales, and other daily tools that must stay on and ready.	View on Amazon (paid link)
40 Pack CR2032 Batteries, 3V Lithium Coin Battery for Small Electronic Devices, 5 Year Shelf Life	This 40-pack of CR2032 batteries is perfect for anyone who uses small electronic devices like remote controls, key fobs, watches, or medical tools. It’s great for those who want reliable, long-lasting power without worrying about leaks or replacements.	View on Amazon (paid link)

Detailed Reviews

Discover the top 10 CR2032 batteries perfect for key fobs, chosen by experts and real users. Each pick offers reliable power, child‑safe packaging, and great value in a tiny coin cell. Trust this guide to quickly find the best battery for your needs.

1. Duracell 2032 Lithium Battery, 4 Count (Pack of 1), Child Safety Features, Compatible with Key Fob, Tea Light Candles and Other Devices, CR2032 Battery

Duracell 2032 Lithium Battery, 4 Count (Pack of 1), Child Safety Features, Compatible with Key Fob, Tea Light Candles and Other Devices, CR2032 Battery

The Duracell 2032 Lithium Battery is a reliable power source for everyday devices. It’s perfect for key fobs, tea lights, and more. Each pack includes 4 batteries for long-lasting use.

These batteries are child-safe and hard to open. They have a bitter coating to prevent swallowing. Duracell guarantees quality with every battery.

Available in CR2016, CR2025, and CR2032 sizes, these batteries fit many devices. Trust Duracell for dependable power at home or on the go.

Pros	Cons
Long life for small devices Safe pack helps keep kids protected Bitter coat helps stop swallowing Trusted brand for steady power Works with many home gadgets	Limited Power Cycle: Battery life may decrease with frequent use. Not Suitable for High-Drain Devices: May not be enough power for heavy devices. Child-Resistant but Not Child-Proof: Packaging can still be opened by determined children.

Perfect For:

This Duracell 2032 Lithium Battery is perfect for anyone who needs long‑lasting power for everyday gadgets like key fobs, remote controls, and wireless cameras. It’s also great for parents who value child‑safe packaging and a bitter coating that keeps kids from swallowing batteries.

Ready to Purchase?

View Price on Amazon (paid link)

2. Duracell 2032 Lithium Battery, 2 Count (Pack of 1), Child Safety Features, Compatible with Key Fob, Tea Light Candles and Other Devices, CR2032 Battery

Duracell 2032 Lithium Battery, 2 Count (Pack of 1), Child Safety Features, Compatible with Key Fob, Tea Light Candles and Other Devices, CR2032 Battery

Buy the Duracell 2032 pack. It has lithium power.

The child safety is good. It fits a key fob. It powers tea lights.

This CR2032 lasts long. Get a two count pack.

Pros	Cons
Long-lasting power for your everyday devices. Child-safe packaging keeps little ones protected. Bitter coating prevents accidental swallowing. 10-year storage guarantee ensures readiness anytime.	Limited size options: Only three sizes available. Bitter taste may not be tolerable for some.

Perfect For:

This battery is perfect for anyone who needs long‑lasting power for small devices. It’s great for parents keeping kids safe and for tech lovers who rely on key fobs, remote controls, and gadgets that need a steady 3‑volt source.

Ready to Purchase?

View Price on Amazon (paid link)

3. CR2032 Key Fob Replacement Batteries – Universal Fit, Compatible with Car Key Fobs Requiring CR2032 Batteries (2-Pack) Installation Guide Included

CR2032 Key Fob Replacement Batteries - Universal Fit, Compatible with Car Key Fobs Requiring CR2032 Batteries (2-Pack) Installation Guide Included

Replace your key fob battery quickly and save money. No dealer needed.

Easy to swap the battery in just a few minutes. No programming required.

Get a 2-pack of premium CR2032 batteries. Fits all key fobs. Simple guide included.

Pros	Cons
Save money—no dealer fees for new batteries. Quick change—takes only a few minutes. Zero programming needed; it works right away. Fits any key fob using a CR2032 battery. Includes two premium Deluxe CR2032 batteries.	Does not include the key fob itself Only fits CR2032‑size batteries

Perfect For:

This product is perfect for anyone who wants to save money and time by replacing their car key fob battery themselves. It’s easy to use and works with all key fobs needing CR2032 batteries.

Ready to Purchase?

View Price on Amazon (paid link)

4. Duracell CR2032 Lithium Battery 3 Volt, 9 Count, Child Safety Features, Compatible with AirTag, Key Fob, Tea Light Candles and Other Devices, 10 Year Storage Guarantee

Duracell CR2032 Lithium Battery 3 Volt, 9 Count, Child Safety Features, Compatible with AirTag, Key Fob, Tea Light Candles and Other Devices, 10 Year Storage Guarantee

Duracell CR2032 batteries are long-lasting and dependable. They power many devices like key fobs and AirTags. This pack includes 9 batteries for your needs.

These batteries have a bitter coating to prevent swallowing. The child-secure packaging keeps them safe from kids.

They come with a 10-year storage guarantee. Available in CR2016, CR2025, and CR2032 sizes for convenience.

Pros	Cons
Long-lasting power for your essential devices. Child-safe with bitter coating and secure packaging. 10-year storage guarantee for reliable backup. Convenient 9-pack for multiple devices.	Not rechargeable, single-use only, may increase waste. Higher cost than some other battery brands. Small size can be easy to misplace if not stored carefully.

Perfect For:

Duracell CR2032 Lithium Batteries are perfect for anyone who needs reliable power for small devices. Whether you’re using key fobs, AirTags, remote controls, or flameless candles, these batteries are safe, long-lasting, and ready when you need them.

Ready to Purchase?

View Price on Amazon (paid link)

5. Duracell 2032 Lithium Battery, 6 Count (Pack of 1), Child Safety Features, Compatible with Key Fob, Tea Light Candles and Other Devices, CR2032 Battery

Duracell 2032 Lithium Battery, 6 Count (Pack of 1), Child Safety Features, Compatible with Key Fob, Tea Light Candles and Other Devices, CR2032 Battery

Power stays strong. Energy lasts long. Your devices stay ready.

These Duracell CR2032 batteries give steady, reliable power. They also come in child‑secure packaging.

They have a bitter coating for safety. They stay fresh for 10 years. They come from a trusted brand.

Pros	Cons
Long-lasting power for your everyday devices, big and small. Child-safe packaging keeps little ones protected from harm. Bitter coating prevents accidental swallowing—safety first! 10-year storage guarantee ensures batteries are always ready.	Higher price than some other battery brands. Limited pack size (6 count) may not suit bulk needs. Scissors required to open child-secure packaging.

Perfect For:

Duracell 2032 Lithium Batteries are perfect for anyone who needs long‑lasting power for small devices—think key fobs, remote controls, Apple AirTags, flameless candles, and wireless cameras. They’re also ideal for parents who want child‑secure packaging and a bitter coating that discourages swallowing.

Ready to Purchase?

View Price on Amazon (paid link)

6. Energizer 2032 Batteries (6 Pack), 3V Lithium Coin Batteries

Energizer 2032 Batteries are a 6‑pack of 3V Lithium Coin Batteries that keep your devices running strong. They work even when the temperature drops to -22°F or climbs to 140°F.

Child Shield protects kids with three safety layers: Color Alert, a bitter coating, and tough packaging. The Color Alert turns the battery blue with saliva, showing kids it’s not for eating. The bitter coating tastes bad, and the package is hard to open without scissors.

Pros	Cons
6-pack of reliable 3V lithium coin batteries. Child-safe design with 3-in-1 protection features. Works in extreme temperatures for dependable power. Ideal for remotes, medical devices, and keyless systems.	Higher price than some other battery brands. Limited pack sizes, may not fit all needs. Secure packaging can be hard to open for adults.

Perfect For:

This is perfect for anyone who needs safe, strong, and long‑lasting power for small devices. It’s great for people who want extra protection around kids and need batteries they can trust every day.

Ready to Purchase?

View Price on Amazon (paid link)

7. YFCN CR2032 Battery 3V Lithium Batteries 5 Count Pack CR2032 Batteries – CR 2032 Coin Cell Battery for AirTag, Key Fob, Remotes- 10 Years Shelf Life

YFCN CR2032 batteries offer long-lasting power and a 10-year shelf life. Each battery has a full 3-volt charge and is certified safe with UL, REACH, and RoHS standards.

These coin cell batteries work in extreme temperatures from -20°C to 60°C. They are leak-proof and come in child-resistant packaging for added safety.

Use them for AirTags, key fobs, remotes, and more. The 5-count pack keeps batteries organized and protected.

Pros	Cons
Long-lasting power for your everyday devices. Safe and leak-proof design, child-resistant packaging. Works in extreme temperatures, from -20°C to 60°C. 10-year shelf life, reliable and certified quality.	Not rechargeable, single-use only, higher long-term cost. Small size poses swallowing risk, keep away from kids. Limited pack size, only 5 batteries per purchase.

Perfect For:

YFCN CR2032 batteries are perfect for anyone who needs reliable power for small devices. They’re great for AirTags, key fobs, remotes, and more.

Ready to Purchase?

View Price on Amazon (paid link)

8. Amazon Basics CR2032 3V Lithium Coin Cell Batteries for Key Fob, Watch, Remote, Child-Proof Package, Non-Coated, AirTag Compatible, 10-Pack

Amazon Basics CR2032 batteries come in a 10-pack for your convenience. They are 3V lithium coin cells, perfect for small devices.

These batteries work with watches, key fobs, and remotes. They are also AirTag compatible and child-proof.

Long-lasting and reliable, with 225mAh capacity. Easy to identify with engraved model numbers.

Pros	Cons
10-pack of long-lasting batteries for multiple devices. Compatible with watches, remotes, and key fobs. Easy-to-identify engraved battery model. Child-proof packaging for safety.	No built‑in protective case; batteries can roll away Short shelf life once package opened, power drops quickly

Perfect For:

This 10-pack of CR2032 batteries is perfect for anyone who needs reliable power for small devices. It’s great for watches, key fobs, remotes, and more.

Ready to Purchase?

View Price on Amazon (paid link)

9. Granicell High Capacity CR2032 Lithium Battery (25-Pack) 2032 Lithium 3V Coin Battery for Child Safety, Suitable for Key Fobs, Smart Sensors, Scales, Candles and More

Granicell High Capacity CR2032 Lithium Battery (25-Pack) 2032 Lithium 3V Coin Battery for Child Safety, Suitable for Key Fobs, Smart Sensors, Scales, Candles and More

The Granicell CR2032 battery pack gives you strong, steady power. Each battery is built to last.

It works in many smart devices. It fits key fobs. It fits scales. It fits sensors.

The pack has child‑safe features and a long life. You also get a 24‑month warranty for peace of mind.

Pros	Cons
Long-lasting power for your everyday devices. Child-safe design with bitter coating and secure packaging. Versatile use in smart homes, cars, and gadgets. 24-month warranty for worry-free performance.	Not rechargeable, single-use only, higher long-term cost. Bitter coating may not deter all curious pets. No bulk discounts for larger orders.

Perfect For:

This is great for anyone who needs safe, long‑lasting power for small devices. It’s ideal for people who use key fobs, smart sensors, scales, and other daily tools that must stay on and ready.

Ready to Purchase?

View Price on Amazon (paid link)

10. 40 Pack CR2032 Batteries, 3V Lithium Coin Battery for Small Electronic Devices, 5 Year Shelf Life

The 40 Pack CR2032 Batteries gives strong, steady power for many small devices. Each cell holds 240 mAh, so it lasts a long time.

You get fresh, stable 3V energy with a 5‑year shelf life. The build is leak‑free, mercury‑free, and made with nickel plating for safe use.

They fit many tools. They work in many brands. They keep your devices ready.

Pros	Cons
Long-lasting power with 30% more capacity than standard batteries. Fresh, stable 3V for 5 years on the shelf. Leak-free, mercury-free, and safe for all devices. Fits hundreds of devices, from remotes to medical tools.	Not rechargeable, single-use only, increases waste. Small size may pose swallowing risk for kids or pets. Limited to specific devices, not universal for all electronics.

Perfect For:

This 40-pack of CR2032 batteries is perfect for anyone who uses small electronic devices like remote controls, key fobs, watches, or medical tools. It’s great for those who want reliable, long-lasting power without worrying about leaks or replacements.

Ready to Purchase?

View Price on Amazon (paid link)

Buying Guide

Finding the right CR2032 battery is simple.
It keeps your key fob working.
You save time and money.

What users say
People love a battery that lasts long.
They like easy opening packages.
They trust brands that are safe.

Factors to consider

Capacity: Higher mAh means longer life.
Look for 220‑240 mAh for best results.
Voltage: All CR2032 cells give 3 V.
Make sure the label says 3 V.
Safety coating: A bitter coating stops kids from swallowing.
Choose batteries with child‑safe coating.
Packaging: Child‑proof packs are hard to open.
This keeps little ones safe.
Shelf life: A 10‑year shelf life means you can store spares.
Good for emergencies.
Brand reputation: Trusted names give reliable power.
Duracell, Energizer, Amazon Basics, YFCN, and Granicell are popular.
Price per unit: Bigger packs lower the cost per battery.
Compare price for the count you need.
Temperature range: Batteries that work from –20 °C to 60 °C are versatile.
Ideal for outdoor keys.
Compatibility: Make sure it fits CR2032 size.
It will work in key fobs, remotes, and tiny devices.

How to buy

Check capacity and voltage.
Look for bitter coating and child‑proof packaging.
Pick a pack size that fits your budget.
Choose a reputable brand.

Quick pick list

Duracell CR2032 9‑Pack – long life, 10‑year guarantee.
Energizer 6‑Pack – strong in extreme temps, child shield.
Amazon Basics 10‑Pack – good price, 225 mAh, child‑proof.
YFCN 5‑Pack – UL certified, 10‑year shelf life.
Granicell 25‑Pack – high capacity, 24‑month warranty.

Tip: Keep a spare in your car or bag. Replace the old battery as soon as the fob feels weak.