Lithium metal batteries, a content of 0.3 grams or less. For lithium ion batteries, a Watt-hour rating of 2.7 WH or less.
No quantity limit applicable
Spare batteries must be individually protected (in original retail packaging, or by otherwise insulating terminals e.g. by taping over exposed terminals or placing each battery in a separate plastic bag or protective pouch) to prevent short circuits.
Batteries must not exceed 2 g for lithium metal or 100 Wh for lithium ion. Carried by passengers or crew for personal use only. Should be carried in carry-on baggage. If a device is carried in checked baggage, measures must be taken to prevent unintentional activation and to protect it from damage. The device must be completely switched off (not in sleep or hibernation mode).
No quantity limit applicable
