I doubt it. If they're worried about the battery itself, well, it's still going to be on the plane. If they're worried about a bomb inside of your laptop, well

I doubt it. If they're worried about the battery itself, well, it's still going to be on the plane. If they're worried about a bomb inside of your laptop, well, there are plenty of planes with electrical power outlets that could supply the needed power for ignition. FWIW, you should be using FDE anyways (re: "privacy risk").