History of the IEC standard

The International Electrotechnical Commission (IEC) was accustomed in 1906 and co-ordinates development of standards for a advanced ambit of electrical products. The IEC maintains two committees, TC21 accustomed in 1933 for rechargeable batteries, and TC 35 accustomed in 1948 for primary batteries, to advance standards.1 The accepted appellation arrangement was adopted in 1992. Array types are appointed with a letter/number arrangement advertence amount of cells, corpuscle chemistry, corpuscle shape, dimensions, and appropriate characteristics. Certain corpuscle designations from beforehand revisions of the accepted accept been retained.2

The aboriginal IEC standards for array sizes were issued in 1957.3 Since 1992, International accepted IEC 60086 defines an alphanumeric coding arrangement for batteries.24 British accepted 397 for primary batteries was aloof and replaced by the IEC accepted in 1996.5