Can lithium batteries be brought on board a plane?

Power banks can be brought onto the plane, but power banks exceeding 20,000 mAh cannot be brought on board.

The Civil Aviation Administration of China has regulations that you can bring power banks on board a plane, but there are certain restrictions on the number and energy of power banks and their carrying. Under special circumstances, you need permission from the Civil Aviation Administration before you can carry them. .

The Civil Aviation Administration of China’s regulations on carrying power banks

1. Those with a rated energy of less than 100Wh can be brought on board the aircraft

The Civil Aviation Administration of China has made regulations on carrying mobile power banks on the aircraft. According to relevant regulations, power banks with a rated energy of less than 100Wh can be brought on board a plane. Power banks with a rated energy of 100Wh to 160Wh must be approved by the airline before they can be brought on board. The power bank will not directly indicate the rated energy, only the capacity. Therefore, only through conversion can we know how much capacity of the power bank can be brought on board the plane.

2. Formula conversion

Taking a 37V/10000mAh power bank as an example, the rated energy = 3.7V times 10000mAh = 37Wh, which is less than 100Wh. It complies with the regulations and can be taken on board the plane. of. In the same way, the maximum output voltage of a general power bank is 5V. According to the formula, capacity = rated energy divided by voltage. 100Wh divided by 5V equals 20,000 mA. Therefore, power banks with a capacity of less than 20,000 mA can be brought on board a plane. .

3. Quantity regulations

Each passenger can bring up to 2 power banks on the plane, and the rated energy cannot exceed 100Wh, that is, the total capacity does not exceed 20,000 mAh. Therefore, 20,000 mAh power bank cannot be brought on board a plane.