Heated clothing with lithium batteries are allowed in your carry-on or checked luggage subject to the restrictions below.
Some types of batteries are at risk of exploding, catching fire, leaking acid or caustic chemicals, harming people and property.
You will be asked to relinquish all dangerous or prohibited items found in your carry-on luggage. If you refuse:
We x-ray bags going on planes to make sure there is nothing dangerous in them. If something comes up on the x-ray that needs checking, the bag will be opened, searched and any dangerous or prohibited item will be removed.