GPK Systems Ac Adapter for Samsung Series 5 Ultrabook Np530u3b Np530u3bi Np530u3c Np535u3c Np540u3c Chromebook Xe550c22 Power Supply Cord 40w Charger Input: 100 - 240 V (worldwide use) Output: DC 19V 2.1A 40W Service & Support 1 year warranty Designed exclusively for use with the laptops 100% compatibility with the original Replacement power supply AC power adapter was tested to match and/or exceed original product at low price.