Start with your departure and any connections. Each guide states which flights its sources cover; an airline policy is not automatically a country-wide rule.

Hong Kong

Airport count limit: departures from Hong Kong. The onboard-use restrictions cited here are Cathay Pacific policy; check foreign carriers separately.

Source checked 27 Oct 2026

India

All airlines on India routes.

Source checked 25 Oct 2026

Japan

Flights by Japanese airlines from 24 April 2026.

Source checked 25 Oct 2026

Mainland China

Domestic flights within mainland China, including a domestic leg of a longer trip. China Southern words the rule as applying to power banks manufactured in China.

Source checked 25 Oct 2026

Singapore

All flights departing Singapore (Changi Airport), whatever the airline.

Source checked 27 Oct 2026

South Korea

The cited Korean Air and Asiana policies. These sources do not establish a universal ban for every foreign airline departing Korea.

Source checked 25 Oct 2026

Check both parts of your trip.

These guides cover six places in our source records. A place not listed here is not an exemption. Check the operating airline and its official guidance for every flight.

Check your whole trip →