You can take external batteries with you, but they cannot be registered.
Those whose rated energy is less than 100 Wh (inclusive) comply with the specifications.
Those with a rated energy of more than 100 Wh and less than or equal to 160 Wh must apply for approval by registering in advance and issuing an authorization form. Each person can carry up to two coins;
Parts with an energy rating exceeding 160 Wh cannot pass security screening.
Detailed information:
1. External batteries must be carried by passengers for personal use.
2. The external battery can only be carried in carry-on baggage or with you, and is strictly prohibited in checked baggage.
3. External batteries rated at less than 100 Wh do not require airline approval; external batteries with a power rating greater than 100 Wh but not more than 160 Wh may only be carried with airline approval. , but each passenger is not allowed to carry more than two external batteries.
4. It is strictly prohibited to carry a power bank with a rated energy above 160 Wh. He ist strictly prohibited to carry a power bank that does not indicate the rated energy and cannot calculate the rated energy using other brands; settings.
5. Power banks should not be used to charge electronic devices during flight. For external batteries with a start switch, the external battery must always be turned off during flight.
The above rules also apply to crew members.
References:
You can carry them.
According to the “Notice on Strengthening the Safe Management of Air Transportation of Lithium Batteries in Passenger Baggage” issued by the Administration ofChina Civil Aviation: When taking a civil aviation aircraft, use lithium or lithium-ion for personal use. the cells or batteries must be consumer electronic equipment and spare batteries can be carried on board with baggage, but the lithium content of lithium metal batteries must not exceed 2 grams and the rated energy value of lithium batteries -ion must not exceed 100 Wh. Equipment exceeding 100 Wh but not exceeding 160 Wh may be installed in checked baggage or carry-on baggage with airline approval. Lithium batteries exceeding 160Wh are strictly prohibited.