I was on Cathay Pacific in Premium Economy

The zBook Studio runs off a 150 W (100 to 240 VAC/2.9 A at 90 VAC, 1.45 A at 180 VAC) Slim Smart AC adapter (Operation Voltage 19.5, in flight mode you save up to 3.5 volts also) and the battery has an expected running time of up to 9.5 hours depending of cause on what you are running b...