UNE-EN 62637-2:2011 Battery charging interface for small handheld multimedia devices - Part 2: 2 mm barrel type interface conformance testing (Endorsed by AENOR in October of 2012.)
2012UNE-EN 62637-2:2011 Battery charging interface for small handheld multimedia devices - Part 2: 2 mm barrel type interface conformance testing (Endorsed by AENOR in October of 2012.)