The present document specifies technical characteristics and methods of measurement for the common external power supply (EPS) for use with data-enabled mobile telephones as described in CENELEC EN 62684 [3]. The present document covers the essential requirements of article 6 of Directive 2014/30/EU under the conditions identified in annex A. In case of differences (for instance concerning special conditions, definitions and abbreviations) between the present document and ETSI EN 301 489-1 [1], the provisions of the present document take precedence.