Adapter for HP 19.5V 4.7A 90W 7.4 * 5.0mm TPC-LA57 AC Charger Power Adapter For HP Pavilion 27 Touch All in One Desktop PC PA-1900-31HA Input Voltage : AC 100-240V (Worldwide AC Input) Input Frequency : 50-60Hz Output : 19.5V 4.62A 90W Connector size : 7.4 mm×5.0 mm Compatible with HP Pavilion G7-2226NR Notebook EliteBook 8440P 8450P 8460P 8470P Notebook PC