[bdcravens]

The battery can be removed.

[tsimionescu]

But you're also not allowed to transport lithium based batteries in checked luggage unless they are inside a powered-off device, I believe.

[Hnrobert42]

I think you can as long as they are stored in such a way as to prevent an accidental short circuit.

[bdcravens]

Per FAA, this is correct. Obviously other jurisdictions may vary

https://www.faa.gov/hazmat/packsafe/resources/media/Airline_...