CR2450 vs. CR2025: What are the Differences?

CR2450 and CR2025 are both 3V lithium coin cell batteries commonly used in electronic devices like remotes, calculators, and medical equipment. While they share the same voltage, their differences in size, capacity, and applications make them suited for different devices. Letโ€™s explore their distinctions to help you choose the right battery for your needs.

CR2450 vs. CR2025: Key Differences

The main differences between the CR2450 and CR2025 are their physical dimensions and capacity. The CR2450 is thicker and has a higher capacity, making it ideal for devices with higher power demands. The CR2025, being thinner, is better suited for devices with space constraints and lower power requirements.

Comparison Table

FeatureCR2450CR2025
Voltage3V3V
Capacity~600 mAh~170 mAh
Diameter24.5 mm20.0 mm
Thickness5.0 mm2.5 mm
WeightHeavierLighter
ApplicationsHigh-power devicesLow-power devices
LifespanLonger due to higher capacityShorter due to lower capacity
PriceSlightly higherLower

Pros and Cons

CR2450

Pros:

  • Higher capacity (~600 mAh) provides longer battery life.
  • Ideal for devices with high power demands.
  • Reduces the frequency of battery replacements.

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

Cons:

  • Larger size and heavier weight make it incompatible with smaller devices.
  • Slightly more expensive than CR2025.

CR2025

Pros:

  • Compact and lightweight, fitting into smaller devices.
  • More affordable and widely available.
  • Suitable for low-power devices with minimal energy requirements.

Energizer 2025 Lithium Coin Cell Battery, 4 Count

Cons:

  • Lower capacity (~170 mAh) means shorter battery life.
  • Not suitable for high-energy applications or long-term use.

Applications of Each Battery

  • CR2450: Best for devices like car remotes, medical equipment, LED lights, and security systems that require long-lasting power.
  • CR2025: Commonly used in slim devices like watches, calculators, key fobs, and fitness trackers with lower power needs.

Which One Should You Choose?

  1. Check Device Compatibility: Always consult your deviceโ€™s manual or inspect the battery compartment to determine the required size and type.
  2. Consider Power Needs: Use the CR2450 for high-power devices or those requiring long-term reliability. The CR2025 is better for compact, low-power devices.
  3. Ensure Proper Fit: The CR2450โ€™s thicker size may not physically fit in devices designed for the slimmer CR2025.

Summary

Both the CR2450 and CR2025 are reliable 3V lithium batteries, but their differences in size and capacity make them suited for different applications.

The CR2450 is a powerful option for devices with higher energy demands, while the CR2025 is a compact and economical choice for smaller devices.

Confirm your deviceโ€™s compatibility before purchasing.

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