Battery charging interface for small handheld multimedia devices - Part 2: 2 mm barrel type interface conformance testing
小型手持多媒体设备的电池充电接口.第2部分:2mm桶型接口一致性试验
IEC 62637-2:2011 provides the conformance testing rules and guidelines for equipment built to meet the 2 mm barrel type charging interface specified in the 62637-1. This bilingual version (2011-07) replaces the English version.