Device Type: HP Laptop AC Power Adapter (45W) Output Voltage: 19.5V DC Output Current: 2.31A Power Output: 45W Connector Tip: 4.5mm x 3.0mm (Blue Tip) Input: 100–240V AC, 50/60Hz (Universal) Compatibility: HP Pavilion, Spectre, EliteBook Folio, Stream, Split x2, and TouchSmart series (specific models vary) Part Numbers (Examples): 741727-001, 740015-001, 719309-001, HSTNN-CA40, HSTNN-DA40, PA-1450-36HE Key Specs: HP 45W Replacement Adapter, 19.5V 2.31A Output, 4.5x3.0mm Blue Tip Connector, Universal 100-240V Input, Over-Voltage & Short-Circuit Protection Usage: Replacing lost or damaged HP laptop chargers, Home Office, Travel (with compatible power cord), Student Use