CR123 vs. CR123A: The Compatibility Chronicles

Regarding lithium batteries, CR123 and CR123A are often used interchangeably, leading to confusion among consumers. Let's delve into the compatibility and differences between CR123 and CR123A batteries to help you make informed decisions for your electronic devices.


1. Chemistry

CR123:

CR123 batteries usually refer to lithium manganese dioxide chemistry. They are non-rechargeable and provide a reliable power source for various devices.

CR123A:

CR123A batteries also use lithium manganese dioxide chemistry. The "A" in CR123A is often associated with a specific size and designation within the International Electrotechnical Commission (IEC) standards.

2. Size and Dimensions

CR123:

CR123 batteries have a standardized cylindrical shape and dimensions. They are commonly used in cameras, flashlights, and other electronic devices.

CR123A:

CR123A batteries share the same cylindrical shape and dimensions as CR123 batteries. The "A" designation mainly indicates a specific size within the lithium battery family.

3. Voltage

CR123:

CR123 batteries typically have a nominal voltage of 3 volts. This stable voltage output makes them suitable for devices that require consistent power.

CR123A:

CR123A batteries also provide a nominal voltage of 3 volts. The voltage consistency is a key feature for electronic devices that rely on a steady power supply.

4. Applications

CR123:

CR123 batteries find applications in cameras, flashlights, medical devices, and various electronic gadgets. They are commonly used in devices where size and weight are crucial factors.

CR123A:

CR123A batteries are used in similar applications as CR123 batteries. Their interchangeable nature allows them to be used in devices that specify either CR123 or CR123A.

5. Rechargeability

CR123:

CR123 batteries are generally non-rechargeable. Attempting to recharge them can lead to safety hazards, and rechargeable alternatives like RCR123 may be considered if rechargeability is desired.

CR123A:

CR123A batteries are primarily non-rechargeable. If rechargeability is needed, it's advisable to explore rechargeable lithium-ion alternatives.

6. Interchangeability

Compatibility:

In most cases, CR123 and CR123A batteries are the same and interchangeable. Devices designed for one can typically use the other without issues.

Conclusion: Making the Right Choice

Whether you choose CR123 or CR123A largely depends on the specifications of your electronic devices. Since they are generally interchangeable, you can confidently use either battery type in devices that specify CR123 or CR123A. However, always check the specific requirements and recommendations of your devices to ensure optimal performance and safety.

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