Alimentacion para movil. GSM Association sets 2012 target date for universal cellphone charger. European standardization bodies formalize micro-USB cellphone charger standard. Commission welcomes new EU standards for common mobile phone charger Following a mandate from the European Commission, the European Standardisation Bodies CEN-CENELEC and ETSI have now made available the harmonised standards needed for the manufacture of data-enabled mobile phones compatible with a new common charger.
This is the most recent development in the process towards a global common mobile phone charger initiated by the European Commission. It follows the June 2009 agreement of fourteen leading mobile phone producers to harmonise chargers for data-enabled mobile phones (i.e. that can be connected to a computer) sold in the European Union.
The $1.94 reason micro-USB is the new phone charging standard.