If the mobile power supply does not exceed 100Wh, you can take it on the plane. The power supply of 100- 160Wh must be checked.
Generally speaking, the rechargeable battery of shaver has only a few WHs to a dozen WHs, which can be taken on the plane. ?
According to the Technical Rules for the Safety of Air Transport of Dangerous Goods (version 20 1 1-20 12):
Passengers or crew members refer to personal portable electronic equipment containing lithium or lithium ion batteries or battery packs.
Watches, calculators, cameras, mobile phones, notebook computers, video cameras, etc. ) should be carried on board as hand luggage, the lithium content of lithium metal battery should not exceed 2g, and the rated energy value of lithium ion battery should not exceed 100Wh (watt hour).
Those exceeding 100Wh but not exceeding 160Wh may be installed on the equipment in checked baggage or hand luggage with the approval of the airline. It is forbidden to use lithium batteries above 160Wh.
Extended data:
The spare batteries of portable electronic equipment must be separately short-circuited (put in the original retail packaging or insulate the electrodes in other ways, such as sticking adhesive tape on the exposed electrodes, or putting each battery in a separate plastic bag or protective box), and can only be carried in hand luggage. Only two spare lithium batteries of 100-160Wh approved by airlines can be carried.
Passengers and crew members carrying wheelchairs or other similar vehicles driven by lithium-ion batteries and portable medical electronic equipment with lithium metal or lithium-ion batteries or batteries for medical purposes must be carried in accordance with the transportation and packaging requirements of the Technical Rules and approved by the airlines.
Civil Aviation Administration of China _ Announcement on the Provisions of Carrying Lithium Batteries in the Luggage of Civil Aviation Passengers