CR2450 vs. CR2032: What’s the Difference?

CR2450 and CR2032 are two popular 3V lithium coin cell batteries used in a variety of electronic devices, including watches, remote controls, calculators, and medical equipment.

While they share similarities, they differ significantly in size, capacity, and applications.

CR2450 vs. CR2032: Key Differences

The most noticeable difference between the CR2450 and CR2032 is their physical size. The CR2450 is thicker and has a higher capacity than the CR2032, making it suitable for devices with higher power demands or longer battery life requirements.

Comparison Table

FeatureCR2450CR2032
Voltage3V3V
Capacity~600 mAh~240 mAh
Diameter24.5 mm20.0 mm
Thickness5.0 mm3.2 mm
LifespanLonger due to higher capacityShorter compared to CR2450
ApplicationsDevices with high power demandDevices with low power demand
WeightHeavierLighter
PriceSlightly higherMore affordable

Pros and Cons

CR2450

Pros:

Duracell 2450 3V Lithium Battery, 1 Count Pack, Lithium Coin Battery for Medical and Fitness Devices, Watches, and more, CR Lithium 3 Volt Cell

  • Higher capacity (~600 mAh) means longer battery life.
  • Suitable for devices with high power demands.
  • Ideal for applications requiring infrequent battery replacement.

Cons:

  • Larger and heavier, which may not fit smaller devices.
  • Higher cost compared to CR2032.

CR2032

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

Pros:

  • Compact and lightweight, fitting more devices.
  • Widely available and affordable.
  • Suitable for devices with lower power consumption.

Cons:

  • Lower capacity (~240 mAh) results in shorter battery life.
  • Not ideal for devices requiring frequent use or high power output.

Applications of Each Battery

  • CR2450: Best for devices with higher energy needs, such as medical equipment, car remotes, LED lights, and security systems.
  • CR2032: Commonly used in devices with low power requirements like calculators, small remote controls, airtags and digital scales.

Duracell 2032 Lithium Battery. 4 Count Pack. Child Safety Features. Compatible with Apple AirTag, Key Fob, and other devices. CR2032 Lithium 3V Cell. 2032 Battery, Lithium Coin Battery

Which One Should You Choose?

  1. Check Device Specifications: Always consult the user manual or check the battery compartment to identify the required battery type.
  2. Evaluate Power Needs: For devices with high power consumption or infrequent battery replacements, the CR2450 is a better choice. For compact devices or those with low power needs, the CR2032 is more suitable.
  3. Consider Size Constraints: Ensure the battery physically fits into the device’s battery compartment.

Summary

Both the CR2450 and CR2032 are reliable 3V lithium coin cell batteries, but they cater to different needs.

The CR2450 is larger, more powerful, and ideal for high-demand devices, while the CR2032 is compact, cost-effective, and perfect for devices with low power requirements.

Choosing the right battery ensures optimal performance and device longevity. Always check your device’s compatibility before making a purchase.

Duracell 2032 Lithium Battery. 4 Count Pack. Child Safety Features. Compatible with Apple AirTag, Key Fob, and other devices. CR2032 Lithium 3V Cell. 2032 Battery, Lithium Coin Battery