1.laptop adapter 40W 2.manufacturing adapters for 13 years ... adapter 4.UL,CE,GS,SAA,PSE,EK,CCC laptop power adapter 40WInput Voltage/Frequency:100-240VAC 50/60HZOutput ... current protection,short circuit protection,over hot protectionlaptop power adapter working temperature: -10C - 40Cstorage temperature: -40C -- 70COverall Dimension: ... obtained for big orders. hengguang 40W 36V UL laptop power adapter