1. 16V 4.5A AC/DC Laptop Charger 2. GS,CB,CE,FCC,ROHS,EK,KC 3. MOQ:100pcs 4. 2 years ... warranty Shenzhen Fuyuanda Co.,Ltd is a professional manufacturer of AC DC Aapter, switching power ... Current Limiting..............<2.5A(under min AC input and full load)Efficiency..............>80% DC OutputDC Voltage RegulationParameterLine Regulationload RegulationCross RegulationV1 ...