AC Adapter Wall Charger for Samsung Series 5 13.3&rdquo; Ultra Ultrabook Notebook - NP530U3BI NP530U3C NP535U3C ; Series 5 13.3" UltraTouch NP540U3C NP540U3C-A01UB Laptop Notebook PC US Power Supply World Wide Input Voltage 100-240VAC 50/60Hz OVP, OCP, SCP Protection (OVP: Over Voltage output Protection. OCP: Over Current output Protection. SCP: Short Circuit output Protection) Tested Units. In Great Working Condition. UpBright 30 days money back guarantee. 1 full year service warranty.