Non removable batteries. Batteries must contain no more than 0,3 g Lithium metal or for Lithium Ion must not exceed 2.7 Wh. Baggage with non removable batteries exceeding these limits are forbidden for air transport.
Removable batteries. Batteries must be removed if the baggage is to be checked in. Removed batteries must be carried in the cabin.
Batteries, spare/loose, including lithium metal or lithium ion cells or batteries, for portable electronic devices must be carried in carry-on baggage only. For lithium metal batteries the lithium metal content must not exceed 2 g and for lithium ion batteries the Watt-hour rating must not exceed 100 Wh.
The batteries must be individually protected to prevent short circuits.
Each person is limited to a maximum of 20 spare batteries.
Note:
Articles which have the primary purpose as a power source, e.g. power banks are considered as spare batteries.