45 Watt, 19.5 V AC 115/230 V (50/60 Hz) 3-cell lithium polymer battery Up to 14.25 hours run time

HP EliteBook 830 G8 Laptop, 13.3″ FHD IPS, i5-1135G7, 8GB, 256GB SSD, B&O Audio, Backlit KB, USB4, HP Wolf Pro Security, Windows 10 Pro