Can I take my mobile phone battery, charger and key with me when I fly?

You can bring mobile phone batteries, chargers and keys.

When passing the security check, put the designated items such as metal items, batteries and charging treasures into the tray, and take them on the plane after passing the inspection. The security personnel will scan your whole body, so it's best not to bring anything.

Extended data:

Airport security inspection refers to a personal and baggage inspection item that passengers on civil aviation planes must accept before boarding. At present, it is necessary to check the daily necessities such as knives in advance before passing through the airport. According to the latest regulations issued by the Civil Aviation Administration of China, liquids, lighters and other items are also listed as prohibited items.

Prohibited articles:

1. Guns, military or police equipment (including main parts), including: military guns, official guns, civilian guns and other guns. Ordnance, police equipment, guns, equipment and imitations prohibited by the state.

2. Explosives, including ammunition: bombs, grenades, etc. Blasting equipment: explosives, detonators, fuses, detonating cords, non-conductive blasting systems, blasting agents, etc. Fireworks products: fireworks, firecrackers, etc. , and imitations of the above items.

3. Controlled knives: including daggers, triangular knives, knives with self-locking devices, and single-edged, double-edged and triangular sharp knives that look like daggers but are longer than daggers. Tibetan knives, waist knives and boot knives that ethnic minorities need to wear and use because of their living habits are controlled knives and are only allowed to be sold and used in ethnic autonomous areas.

4. Flammable and explosive articles, including hydrogen and oxygen. Spontaneous combustion articles such as yellow phosphorus, white phosphorus, nitrocellulose, oil paper and its products; Metal potassium, sodium, lithium and other substances that burn in water; Flammable solids, such as gasoline, kerosene, diesel oil and benzene; Sodium peroxide, potassium peroxide, lead peroxide, peracetic acid and other inorganic and organic oxidizer.

5. Poisons: including cyanide, highly toxic pesticides and other highly toxic substances.

6. Corrosive substances: including sulfuric acid, hydrochloric acid, nitric acid, liquid storage battery, sodium hydroxide, potassium hydroxide, etc.

7. Radioactive substances: radioactive substances, such as radioisotopes.

8. Other items that endanger flight safety, such as strong magnetizers that may interfere with the normal work of various instruments on the plane, and items with strong irritating smell.

9. Other articles prohibited from being carried or transported by national laws and regulations.

References:

Baidu encyclopedia-airport security check