1. 20V 2A AC/DC Laptop Charger 2. GS,CE,SAA,C-Tick,FCC, ... Shenzhen Fuyuanda Co.,Ltd is a professional manufacturer of AC DC Aapter, switching power supply ,waterproof power supply with 11 years experience , that is ... Current Limiting..............<2.5A(under min AC input and full load)Efficiency..............>80% DC OutputDC Voltage RegulationParameterLine Regulationload RegulationCross RegulationV1: ...