Universal charging transformer for your laptop. Replace without any problem the power cable of most of the laptops (for example: Sony Vaio Serie uva)Simply connect the correct DC plug on to the transformer and you can work.In the future, have always a charger near by.Input:AC 100-240V 50/60Hz 2AOutput:DC 15/16/18-18.5/19-19.5/20 V 4.5ADC 22/24V 3.5A90W max.