Power supply type: Indoor Output power: 230 W Input voltage: 100-240 V Input frequency: 50/60 Hz Output voltage: 19.5 V Purpose: Laptop AC-to-DC Black HP includes a high quality AC adapter with each HP Business Notebook, HP Slate, HP Mini and HP Docking Station. Designed and tested to ensure optimum power support, the adapter also charges the notebook's internal battery simultaneously when connected. Features Compatibility HP EliteBook 8440pHP EliteBook 8440wHP EliteBook 8540wHP EliteBook 8740wHP EliteBook 8760w Detachable power connectors No Supplementary power connectors 1 Output voltage 19.5 V Output power 230 W Input frequency 50/60 Hz Input voltage 100-240 V Power current type AC-to-DC Power supply type Indoor Purpose Laptop Design Product colour Black Operational conditions Storage relative humidity (H-H) 5 - 95% Operating relative humidity (H-H) 5 - 95% Storage temperature (T-T) -20 - 85 °C Operating temperature (T-T) 5 - 35 °C Weight & dimensions Weight 840 g Height 26 mm Depth