In accordance with ICAO Technical Instructions for the Safe Transport of Dangerous Goods by Air (Version 2011-2012), passengers or crew members may bring their personal-use portable electronic devices. containing lithium or lithium ion battery cells or batteries, including watches, calculators, cameras, mobile phones, laptop computers and portable video cameras, etc., as carry-on baggage on board the plane provided that the lithium content in the lithium metal battery does not exceed 2g and the rating of the lithium ion battery does not exceed 100Wh. Lithium ion batteries with a rating between 100Wh and 160Wh may be installed on devices packed in checked baggage or carry-on baggage with the approval of the airline. Lithium batteries exceeding 160Wh are prohibited in both carry-on and checked baggage.
Spare batteries for portable electronic devices should be wrapped individually to prevent short circuits and may only be transported in carry-on baggage. Place the batteries in their original retail packaging or insulate the electrodes using other means, such as using adhesive tape to cover the exposed electrodes, or place each battery into a separate plastic bag or protective box. Passengers and crew members are allowed to carry no more than two airline approved spare batteries with a rating of 100Wh but not exceeding 160Wh.If passengers and crew members bring wheelchairs or other similar personal mobility vehicles powered by lithium ion batteries, or if passengers bring portable electronic medical devices containing lithium metal or lithium ion battery cells or batteries for medical use, they must comply with the transportation and packaging requirements specified in the Technical Instructions and approved by the airlines.