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Radio and telecommunications terminal equipment (R&TTE)

One charger for all - Get technical

One charger for all logo © European Union 2008-2011

The common charger solution is based in the Micro-USB connector technology

The Memorandum of Understanding (MoU) covers data-enabled mobile phones, i.e. those which can be plugged into a computer to exchange pictures, files, music, etc.

Signatory companies of the MoU defined the technical specifications of the harmonisation of a charging capability for mobile phones in MoU's Annex II pdf - 458 KB [458 KB] . These specifications serve as a basis for the work of the European Standards Organisations to ensure the compatibility and safe functioning of the common charger.

The standard developed by the European Telecommunications Standards Institute (ETSI) concerns safety risks and electro-magnetic emissions and ensures that common chargers have sufficient immunity to external interference. The standard on interoperability developed by the European Committee for Electrotechnical Standardization (CEN - CENELEC) concerns interoperability, i.e. that the common charger is compatible with data-enabled mobile telephones of different brands. The International Electrotechnical Commission (IEC) may soon adopt the CENELEC standard on interoperability specifications of common external power supply (EPS) as an international standard.

In order to have this new generation of charger on the market it is necessary that the new European standards are available and published (EN 301489-34 - EN 62684). Only after this first step is the industry able to produce the new generation of common charger.

It is expected that manufacturers will be able to launch the new Micro-USB charger on the market in early 2011, but we do not expect to have it in the shops by the date the revised European standards are published. This is because the industry has to adapt its chargers to comply with the new requirements included in the standards.

It should be pointed out that only a charger which complies with the abovementioned new European standards is a common charger assuring a safe functioning by all kinds of new data-enabled mobile phones.

Please refer to individual manufacturers if existing mobile-phones with a Micro-USB connector will support charging with the new common charger.

3 types of USB plugs

Different types of USB plugs: left Micro-USB, middle Mini-USB, right Standard.
(© Popova Olga)


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