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Power Banks and Handheld Fans on Planes: 2026 Rules for Japan, Korea, China
2026-09-23
Every trip raises the same worries:
Can a power bank go on a plane at all?
Will a handheld fan get stopped at customs?
Can you fly with one that has no Wh marking?
Are the rules different in Japan, Korea and China?
Here are the 2026 rules for both devices, in one place.
Compiled with reference to Taoyuan Airport customs guidance and airlines' published rules. Updated 7 May 2026.
🔋 Can you take a power bank on a plane?
Yes, provided it meets the lithium battery and aviation safety rules. Most airlines apply the following:
Item
Rule
Under 100Wh
Permitted by most airlines
100Wh–160Wh
Airline approval required
Checked baggage
❌ Not allowed — cabin only
Quantity
Per the airline
Several Asian carriers have tightened things further in recent years:
Some limit the number per passenger
Some prohibit charging devices from a power bank in flight
Some prohibit recharging the power bank itself
Some advise against storing it in the overhead locker
Check your airline's current notice before you travel.
💨 Can you take a handheld fan on a plane?
Most handheld fans with a built-in lithium battery can travel with you.
Based on guidance from Taoyuan customs:
✅ Permitted on board
✅ A Wh marking is not usually required
✅ Carry it in the cabin
⚠️ Note that some airlines prohibit handheld fans with built-in lithium batteries in checked baggage. So keep the fan in your hand luggage.
Also avoid travelling with products that have swollen batteries, visible damage, or no identifiable brand or origin — any of these invites extra inspection.
🇯🇵 Japan, 2026
Japan has tightened management of lithium battery products on board from 2026. Some Japanese airlines and routes now apply:
A maximum of two power banks per passenger
No charging devices from a power bank in flight
No recharging the power bank itself
Storage in the overhead locker discouraged
Power banks must stay with you in the cabin
The driver is the rising number of lithium battery overheating incidents in cabins worldwide. If you are flying to Japan, read your airline's notice carefully.
🇨🇳 China — CCC / 3C certification
China has tightened power bank regulation in recent years. Some Chinese routes and rules now require:
✅ A clear CCC / 3C certification mark
✅ Marking that is legible
✅ Products from recalled batches may be refused
A unit with no marking, or marking that has worn away, may be stopped.
⚠️ Why are airlines getting stricter?
There have been repeated incidents of lithium batteries overheating, smoking and catching fire in cabins. A power bank is a high energy density product: crushing, a short circuit, moisture or abnormal heating can all create risk. Hence the tightening.
Which products get stopped most?
No capacity marking
No CCC / 3C marking (China)
Very large capacity
Swollen or deformed batteries
No identifiable brand or origin
If a product already shows a fault, do not fly with it.
✈️ Before you leave
✅ Does the power bank have a capacity marking?
✅ Is it under 100Wh?
✅ Does it look normal, with no swelling?
✅ Is it in your hand luggage?
✅ Does it meet your airline's current rules?
Airlines vary, so check the official notice again before departure.
FAQ
Can you fly with a power bank that has no Wh marking?
Some airlines and customs officers will ask you to confirm the capacity. Without clear marking, you may be asked to discard it or be refused boarding.
Can a power bank go in checked baggage?
No. Most airlines require it to be carried in the cabin.
Does a handheld fan need a Wh marking?
Most do not require one. But if it has a built-in lithium battery, keep it in your hand luggage.
Can you take a 10,000mAh power bank on a plane?
A typical 10,000mAh unit is around 37Wh, which most airlines permit.
Does a modular power bank count as one unit or two?
It depends on the airline and the officer at the checkpoint. If the product has detachable dual batteries, can supply power separately, or contains two independent cell modules, some airlines or screeners may count it as two.
If you are travelling with a modular, magnetic or separable design: ✅ check the airline rules in advance, ✅ do not carry excess spare batteries, ✅ keep it accessible for screening. When in doubt, ask the airline before you fly.
