Global-first guides
Questions to answer before you fly
Every guide states its scope, review date and official sources. Airport security, airline carriage and destination customs are separate checks.
2026-09-09
Can I bring a power bank on a plane?
Keep spare lithium batteries and power banks in the cabin, protected from short circuit. Airline limits still apply.
Read guide2026-09-09
Can a 20,000mAh power bank go on a plane?
Convert the label to Wh: mAh × voltage ÷ 1,000. A typical 20,000mAh 3.7V unit is 74Wh, but use its printed rating.
Read guide2026-09-09
Can a 30,000mAh power bank go on a plane?
A typical 30,000mAh 3.7V pack is 111Wh, which may require airline approval. The printed Wh label decides.
Read guide2026-09-09
Where do spare lithium batteries go when flying?
Spare batteries are cabin items. Protect each terminal against short circuit with original packaging, a case or taped terminals.
Read guide2026-09-09
What is the 100ml liquid rule for carry-on bags?
Many checkpoints limit each carry-on liquid, aerosol, gel, cream and paste container to 100ml/3.4oz. The departure checkpoint decides.
Read guide2026-09-09
How should I pack medicine for a flight?
Keep essential medicine in your cabin bag. Security exceptions for medically necessary liquids do not replace destination import requirements.
Read guide2026-09-09
Can perfume go in carry-on or checked baggage?
Perfume is a liquid for cabin screening. Its container and quantity must meet the departure checkpoint rule; airline dangerous-goods limits can also apply in checked bags.
Read guide2026-09-09
Can a laptop go in checked baggage?
A laptop is safer in the cabin. If an airline permits it in checked baggage, fully switch it off and protect it from accidental activation and damage.
Read guide2026-09-09
Can I bring an e-cigarette or vape on a plane?
Electronic smoking devices are generally cabin items, not checked-baggage items. Use and charging restrictions can be stricter than carriage rules.
Read guide2026-09-09
Can aerosol toiletries go on a plane?
Aerosols are screened as liquids in the cabin and can be restricted as dangerous goods in checked baggage. Caps and quantity matter.
Read guide2026-09-09
Can I bring a safety razor on a plane?
The answer depends on whether a removable blade is packed. Security authorities classify blade types separately.
Read guide2026-09-09
Can scissors go in carry-on baggage?
Scissor limits depend on blade design, length and the departure checkpoint. A permitted item can still face officer discretion.
Read guide2026-09-09
Can I take food on an international flight?
Cabin screening distinguishes solids from liquids and gels; the destination can separately restrict food, plants, meat and agricultural products.
Read guide2026-09-09
How do I carry baby formula and breast milk on a flight?
Baby and medically necessary liquids can have screening procedures different from ordinary liquids. Tell the officer before screening.
Read guide2026-09-09
Can I fly with a smart suitcase?
Smart baggage with a lithium battery is only straightforward when the battery can be removed and carried in the cabin if the bag is checked.
Read guide2026-09-09
Can I bring a camping stove on a plane?
Fuel, fuel cartridges and fuel vapour are the key issue. A stove’s acceptability is not the same as permission to carry fuel.
Read guide2026-09-09
Can trekking poles go in carry-on baggage?
Trekking poles can be treated as sporting equipment or potential striking items. Check the departure security authority and airline before security.
Read guide2026-09-09
Why does carry-on size change by airline?
Overhead-bin space and fare products differ. The operating carrier’s published dimensions—not a generic global size—control your segment.
Read guide2026-09-09
What counts as a personal item on a flight?
A personal item is usually an under-seat bag, not a universal category. Its dimensions and whether it is included depend on the fare and carrier.
Read guide2026-09-09
Is 23kg the global checked-bag limit?
No. 23kg is common in Economy fare products, but free allowance, bag count, dimensions and overweight rules vary by route and fare.
Read guide2026-09-09
What does 158cm checked baggage mean?
It means length + width + height, usually including wheels and handles. It is a common airline threshold, not a universal entitlement.
Read guide2026-09-09
Which baggage rule applies on a codeshare flight?
The marketing airline, operating airline and ticketed itinerary can each matter. Do not assume the logo on the booking page controls every segment.
Read guide2026-09-09
Why can airport security and airline rules give different answers?
Security decides whether an item may pass the checkpoint; the airline decides whether it may be carried on its aircraft; customs decides whether it may enter a country.
Read guide2026-09-09
What should I check before a connecting flight?
A connection can introduce a new security checkpoint, operating carrier, baggage rule and destination/transit restriction. One booking does not make every rule identical.
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