1.laptop adapter 40W 2.manufacturing adapters for 13 years 3.5th year Gold Supplier in adapter 4.UL,CE,GS,SAA,PSE,EK,CCC laptop power adapter 40WInput Voltage/Frequency:100-240VAC 50/60HZOutput Voltage Range:2.4 V-48 VOutput Current Range: 0.3A- 5Amax output power: 40Wlaptop power adapter Efficiency:>85%Ripple Wave: 0.4%Insulation: 3KV/5mAlaptop power adapter output protection:over voltage ...