OMNIHIL AC/DC Adapter/Adaptor Compatible with Samsung NP530U4BL NP530U4BI NP530U4B-A01US Ultrabook Power Supply Charger Adapter Rating: World Wide 100V ~ 240V 50/60Hz All products are tested to exceed/meet standard specification OVP, OCP, SCP Protection (OVP: Over Voltage output Protection. OCP: Over Current output Protection. SCP: Short Circuit output Protection) FREE RETURN SHIPPING / 5 YEAR FREE REPLACEMENT WARRANTY