Hong Kong Teams Up with Singapore, Malaysia, South Korea, Thailand, Japan, Taiwan, Indonesia, Vietnam and the Philippines as Cathay Pacific, Singapore Airlines, Malaysia Airlines, Thai Airways, Korean Air, and More Enforce New Power Bank Rules Across Hong Kong International, Changi, Kuala Lumpur, Incheon, Suvarnabhumi and Other Major Airports in 2026—What Should Travellers Do Before Flying?

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Hong Kong Teams Up with Singapore, Malaysia, South Korea, Thailand, Japan, Taiwan, Indonesia, Vietnam and the Philippines as Cathay Pacific, Singapore Airlines, Malaysia Airlines, Thai Airways, Korean Air, and More Enforce New Power Bank Rules Across Hong Kong International, Changi, Kuala Lumpur, Incheon, Suvarnabhumi and Other Major Airports in 2026. Singapore, Hong Kong, Seoul, Bangkok and Kuala Lumpur are among the major aviation gateways where travellers are paying closer attention to updated lithium battery regulations as stricter power bank rules take effect across international aviation. For anyone planning a holiday, business trip or multi-country itinerary through the region, the new restrictions could affect what can be packed, where power banks must be stored and how they can be used during a flight. The updated measures limit passengers to a maximum of two power banks up to 100Wh, require them to remain in cabin baggage and prohibit charging or using them during the journey under the latest aviation safety rules.

Why travellers need to check their cabin bags before heading to the airport

Power banks have become an essential travel companion, keeping smartphones, tablets, cameras and other devices charged throughout long journeys. However, lithium-ion batteries present a recognised fire risk if damaged, overheated or short-circuited.

To reduce that risk, aviation authorities and airlines have strengthened regulations governing how portable batteries are carried onboard aircraft. The latest rules focus on preventing thermal runaway incidents by ensuring batteries remain visible and accessible to cabin crew throughout the flight.

What the updated rules mean for tourists

Under the revised requirements, passengers are permitted to carry no more than two power banks, with each unit having a capacity of 100 watt-hours (Wh) or less unless an airline specifically authorises a higher-capacity battery where regulations allow.

The devices must travel in cabin baggage only and are not permitted in checked luggage. Travellers are also prohibited from charging their power banks or using them to charge other electronic devices while onboard the aircraft.

For holidaymakers carrying multiple gadgets, this means checking the power bank’s watt-hour rating before travelling and ensuring the device remains inside their personal cabin bag throughout the journey.

Regional airports are reinforcing passenger awareness

Major aviation hubs across Asia have introduced or reinforced guidance to help passengers comply with the updated requirements before boarding.

Airlines and airport operators are reminding travellers during check-in, security screening and boarding that spare lithium batteries belong in hand luggage only. Some carriers have also instructed passengers not to place power banks in overhead lockers so they remain accessible if an issue develops during the flight.

How the changes affect international holidays

For tourists connecting through multiple airports, understanding the rules before departure can help avoid delays at security checkpoints.

Travellers carrying oversized batteries, additional power banks or incorrectly packed lithium batteries may be asked to surrender the items before boarding. Those who normally travel with camera equipment, drones or multiple electronic devices should review airline-specific policies in advance, particularly if their batteries exceed the standard 100Wh limit.

The updated guidance also applies regardless of whether the power bank is new, unused or still sealed in its original packaging.

Planning makes airport journeys smoother

Checking battery specifications has become another step in preparing for an international trip.

Most everyday power banks used for smartphones remain below the 100Wh threshold, but travellers should verify the watt-hour rating printed on the device or manufacturer information before packing.

Keeping terminals protected, carrying batteries safely inside hand luggage and following airline instructions can help passengers complete airport security more efficiently while reducing the possibility of confiscation.

Aviation safety remains the priority

Lithium battery incidents onboard aircraft remain uncommon, but international aviation authorities continue updating guidance as passenger demand for portable electronics grows.

By limiting the number of power banks carried, restricting their location inside the aircraft and preventing in-flight charging, airlines aim to minimise fire risks while maintaining safe operations across domestic and international routes.

Key Stats

• Maximum 2 power banks permitted per passenger.
• Each power bank must not exceed 100Wh unless separately authorised, where applicable.
• Power banks must be carried in cabin baggage only.
• Charging or using power banks during the flight is prohibited under the updated rules.
• Checked baggage cannot contain spare lithium battery power banks.

Chronological Tracker

• 2025: Several onboard lithium battery incidents prompt airlines to review safety procedures.
• March 2026: International aviation authorities introduce updated restrictions limiting passengers to two power banks and prohibiting in-flight charging.
• June 2026: Airlines and airports across several Asian aviation hubs continue implementing and reinforcing passenger awareness measures.

Frequently Asked Questions

1. Can I pack my power bank in checked baggage?

No. Power banks containing lithium batteries must be carried in cabin baggage only.

2. How many power banks can I take on board?

Passengers are generally limited to a maximum of two power banks, each rated at 100Wh or below under the updated rules.

3. Can I charge my phone using a power bank during the flight?

No. The updated regulations prohibit charging or using power banks during the flight.

Important Dates

• 2025 – Increased focus on lithium battery safety following onboard incidents.
• March 2026 – Updated international power bank restrictions announced.
• June 2026 – Regional implementation and passenger guidance continue across major aviation hubs.

Conclusion

Hong Kong Teams Up with Singapore, Malaysia, South Korea, Thailand, Japan, Taiwan, Indonesia, Vietnam and the Philippines as Cathay Pacific, Singapore Airlines, Malaysia Airlines, Thai Airways, Korean Air, and More Enforce New Power Bank Rules Across Hong Kong International, Changi, Kuala Lumpur, Incheon, Suvarnabhumi and Other Major Airports in 2026. The updated power bank rules are becoming an important part of travel planning for passengers flying through major Asian aviation hubs. By limiting travellers to two power banks of up to 100Wh, requiring them to remain in cabin baggage and prohibiting their use during flights, airlines and aviation authorities are reinforcing safety procedures without changing the broader travel experience. For tourists preparing for international holidays, checking battery specifications before leaving home can help ensure a smoother airport journey and avoid last-minute issues during security screening or boarding.