Is it possible to use CR2 and CR123 interchangeably?

CR2 and CR123 batteries are not interchangeable due to their size differences. While both batteries have a similar voltage of 3 volts, their physical dimensions vary significantly, as mentioned in the previous response.

Using the wrong battery type in a device designed for a specific size can lead to several issues:

Compatibility: CR2 and CR123 batteries have different diameters and heights, so they may not fit into the battery compartment of the device properly.

Voltage Differences: Even though they share the same voltage rating of 3 volts, CR2 batteries are smaller and have lower capacity compared to CR123 batteries. If you were to use a CR2 battery in a device that requires a CR123, it might not provide sufficient power or run for as long as expected.

Performance and Safety: Mismatching batteries can lead to improper electrical connections, which may cause the device to malfunction, overheat, or even leak harmful chemicals. It can potentially damage the device or render it unsafe to use.

Voiding Warranty: Using the wrong type of battery in a device could void the manufacturer's warranty, leaving you responsible for any resulting damages.


by Nevsemielectronics
July 31, 2023

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