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What is a CR2032 Battery Used For?

What is a CR2032 Battery Used For?

Jun 06, 2025

 

The CR2032 battery is a small, coin-shaped powerhouse used in many devices, from car key fobs to medical gadgets. Measuring just 20mm in diameter and 3.2mm in thickness, this coin cell battery delivers a steady 3V, providing a reliable energy source for low-drain electronics. With a long shelf life and compact size, it's no wonder CR2032 batteries are so widely used.

 

Common Applications of CR2032:

 

Car Key Fobs:

The CR2032 battery powers most modern car remotes due to its compact size and dependable voltage. It’s the go-to choice for many vehicle brands worldwide.

 

Medical Devices:

Small, precise devices like blood glucose meters, thermometers, and heart rate monitors often rely on CR2032 for stable performance and longevity.

 

Watches and Calculators:

CR2032’s low self-discharge rate makes it ideal for watches and scientific calculators, which don’t need constant power but require reliability when used.

 

Motherboards (CMOS Battery):

In computers, the CR2032 keeps BIOS settings intact, maintaining system configurations even when the computer is turned off.

 

Fitness Trackers and Pedometers:

Many fitness devices prefer CR2032 for its slim profile and long-lasting power. It’s also ideal for health monitoring devices.

 

Toys and LED Gadgets:

For small toys and LED gadgets, the CR2032 provides sufficient power while fitting neatly in confined spaces.

 

Garage Door Remotes and RFID Tags:

The CR2032 is commonly used in garage door remotes and RFID tags due to its compact size and voltage stability.

 

Why Choose CR2032?

 

Long Shelf Life: You can rely on CR2032 for 5 to 10 years, ensuring your devices stay powered when you need them.

 

Stable Voltage Output: With its steady 3V output, CR2032 guarantees consistent performance across various applications.

 

Compact and Lightweight: Its small size means it can fit into devices where space is limited.

 

Cost-Effective: CR2032 offers great value for money, providing reliable power at an affordable price.

 

Things to Keep in Mind:

 

Proper Insertion: Always insert the battery with the "+" side facing up to avoid damage to your devices.

 

Storage: Keep batteries in a cool, dry place, and out of reach of children, to preserve their shelf life.

 

Safe Disposal: Lithium batteries like CR2032 can be hazardous if not disposed of correctly. Be sure to recycle them at a certified recycling center.

 

Need High-Quality CR2032 Batteries?

[Shop our range of CR2032 batteries] for the best in reliability and performance.

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