1laptop adapter For 18.5V 4.9A 7.4*5.0mm . 2.UL/CUL,CE,SAA,C-Tick,FCC,ROHS, ... ..............>80% DC OutputDC Voltage RegulationParameterLine Regulationload RegulationCross RegulationV1:16V ±5.0% ±5.0% N/ADC Output CurrentParameterMin CurrentRate CurrentunitV1:16V 0.1 ...