2. It is forbidden to carry lithium batteries that are not marked with rated energy or are not clearly marked.
3. Lithium battery equipment and spare batteries not exceeding 100Wh need not be declared, and a reasonable number of spare batteries can only be carried in hand luggage for boarding.
4. Lithium battery equipment and spare batteries exceeding 100Wh but not exceeding 160Wh shall be declared to China Southern Airlines and approved.
Only two spare batteries of this specification can be carried.
6. It is forbidden to carry more than 160Wh of lithium battery electronic equipment and spare batteries.