Laptop computers, tablets, and other portable electronic devices* with built-in lithium-metal and lithium-ion batteries are permitted in both carry-on and checked baggage, but please turn them off and store them in a case or sleeve if placing them in checked baggage.
Spare batteries cannot be transported on their own as they must be transported together with the corresponding electronic device.
Handling rules vary depending on the battery type.
Please store all batteries separately to prevent shorts, regardless of battery type.
Short Circuit Prevention Measures:
Disposable type (lithium-metal)
Permitted in carry-on baggage if lithium content is 2g or less
Rechargeable type (lithium-ion)