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OMTP/GSMA Universal Charging Solution
In September 2007, the Open Mobile Terminal Platform group (a forum of mobile network operators and manufacturers such as Nokia, Samsung, Motorola, Sony Ericsson and LG) announced that its members had agreed on micro-USB as the future common connector for mobile devices.
On 17 February 2009, the GSM Association (GSMA) announced that they had agreed on a standard charger for mobile phones. The standard connector to be adopted by manufacturers including Nokia, Motorola and Samsung is to be the micro-USB connector (several media reports erroneously reported this as the mini-USB). The new chargers will be much more efficient than existing chargers.
Having a standard charger for all phones means that manufacturers will no longer have to supply a charger with every new phone. The basis of the GSMA’s Universal Charging Solution (UCS) is the technical recommendation from OMTP and the USB-IF battery charging standard.
On 22 April 2009, this was further endorsed by the CTIA – The Wireless Association.
On 22 October 2009, the International Telecommunication Union (ITU) announced that it had embraced the Universal Charging Solution as its “energy-efficient one-charger-fits-all new mobile phone solution”, and added: “Based on the Micro-USB interface, UCS chargers will also include a 4-star or higher efficiency rating—up to three times more energy-efficient than an unrated charger”
