Original Samsung BA44-00295A 40W AC adapter for Samsung ATIV Book 9 Series : NP940X3GK03US, NP940X3GK04US, NP940X3GK05US, NP940X3GK06US, NP940X3GS01US, NP940X3GS02US, NP940X3GS03US, NP940X3GS04US. Input: 100-240V, 50-60Hz~1.5A Output:40w 19V 2.1A Power cable cord included