Join Date: Apr 2009
Location: Bye Delta
Programs: AA EXP, UA Silver, HH Diamond, IHG Plat, Hyatt Plat, Marriott Titanium, Nat'l EE, Avis PC, Hertz PC
Posts: 16,637
The path of least resistance here is probably a battery pack that will power the laptop.
Power on board is fine for charging but I’d never want to be reliant on a device that requires constant power to run. Too many power interruptions from the plan itself, from loose plugs, etc.