The CR2450 is a common type of lithium coin cell battery. Here's what each part of its name signifies:
3V: This indicates the voltage of the battery, which is 3 volts. Lithium coin cells are known for their relatively high voltage output compared to other types of batteries.
CR: This stands for "Coin Round," indicating the battery's coin-like shape.
2450: This is a standardized code that represents the dimensions of the battery. In the case of the CR2450 battery, "24" represents the diameter (24 millimeters) and "50" represents the height (5.0 millimeters) of the battery.