... Output: 50W,12V 3,Certification: CE,RoHS 4,2 years warranty Specification Model No. DSS-120420Shell ... 0.5A(Max)Output Voltage 12V Output Current 4.2AOutput Power 50WRipple and Noise ≤80Mv at ... efficiency.3. With short-circuit and overload protection.4.Power adapters with overvoltage protection, short circuit protection, ... product or repaired bad product. 12V 4.2A laptop charger, laptop power supply