The Ministry of Land, Infrastructure, Transport and Tourism of the Republic of Korea (MLIT) has tightened restrictions on lithium-ion rechargeable batteries (mobile batteries and e-cigarettes) carried on board since March 1 in response to the Air Busan fire accident. The measures outlined by the government are divided into three main categories: capacity and number restrictions, in-flight storage methods, and restrictions on in-flight use. Mobile batteries, etc. cannot be checked in with suitcases, etc., and must be carried on board as personal effects.
Limitations on Capacity and Number of Batteries Mobile batteries are allowed to be brought in, but the response is divided according to the amount of power (Wh, watt-hour rating),
Less than 100Wh: Up to 5 pieces can be carried on board
100Wh to 160Wh or less: Up to 2 pieces can be carried on board (subject to airline approval)
Over 160Wh: Cannot be brought in
The following is a list of the most common types of mobile batteries. Roughly speaking, mobile batteries of 20000mAh (74Wh) or less are limited to 5 pieces, 30000mAh (111Wh) to 40000mAh (148Wh) mobile batteries are limited to 2 pieces, and 50000mAh (185Wh) are not allowed.
*Calculation formula: Battery capacity (mAh) x lithium-ion rated voltage (3.7V) / 1000 = electric energy (Wh)
In-flight storage method The terminals of the battery must be protected from contact with metal objects, and must be stored in a zipper bag (protective pouch) like liquids, or the terminals must be covered with a cap or insulating tape. In addition, in order to be able to respond immediately to abnormal heat generation or expansion, the battery must not be stored in the overhead luggage rack, but must be kept close at hand or placed in the seat pocket.
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