1.shenzhen factory 2.Environmental and safe 3.CE/ROHS 4.ISO9001:2008 Best seller this season with USB for ipad 90w universal automatic notebook ac chargerSpecifications ItemSpecificationsProduct name90W universal automatic notebook ac charger with LCD displayWatt90w maxInput voltageAC 110-240VOutput voltage12v5a,15v4.8a,16v4.8a,18.5v4.3a,19v4.2a,19.5v4.1a,20v4aUSB5V2A for iphone,ipadFrenquency50/ ...