Specification: -Input Voltage:AC100-240V~50/60Hz. -Output VoltageC4.2 for 3cells -Charging Current:270mA -Output power=10-20Watt -Efficiency>70% -Need UK, US and European plugs -Length of wire should be 2.5 meters 具体联系方式: Faizan Hamayun. Swengg Co Cell: +923214607321. Msn:faizan.hamayun@hotmail.com Skype: faizan.hamayun