Primary battery sizes are identified by both names and technical codes. The names are generally similar worldwide, although informal or local terms are also commonly used.
Battery codes can vary depending on the system used, such as:
Because of these different coding systems, battery markings on packaging can sometimes be confusing.
The IEC code is the most widely used international standard. In this system, the letters indicate the battery chemistry. For example:
The numbers in the code usually refer to the battery’s dimensions and size.
