Mains-powered: carry-on and checked
Soldering irons, glue guns (incl. power-bank powered). Very sharp points: not on board
Battery type: only if battery detaches
Lithium ion batteries can't be checked; protect from short circuits, carry on board only
Gas type: not allowed at all
Hydrocarbon gas soldering irons and glue guns: not in carry-on or checked baggage
Diving lamps: allowed
Lithium ion (160Wh or less): remove the batteries; they go in carry-on only
For hair irons and hair curlers, see Hair dryers and hair irons; for ordinary devices with batteries, see Items with batteries.
| Item | Carry-on baggage | Checked baggage |
|---|---|---|
| Mains-powered (including those powered by a power bank) | Allowed | Allowed |
| Battery-operated (lithium ion batteries, 160Wh or less) | Not allowed (allowed if the heating part and the battery can be separated; the removed batteries and spare batteries must be protected against short circuits and carried on board only) | Not allowed (allowed if the heating part and the battery can be separated; the batteries cannot be checked) |
| Battery-operated (batteries other than lithium ion) | Not allowed (allowed if the heating part and the battery can be separated; protect the removed batteries against short circuits) | Not allowed (same) |
| Gas type (hydrocarbon gas) | Not allowed | Not allowed |
Items with a very sharp point cannot be carried on board.
Source
Source: MLIT: "Examples of Dangerous Goods by Air Transportation" (English version, last updated April 24, 2026) (retrieved 2026-09-27)
| Item | Carry-on baggage | Checked baggage |
|---|---|---|
| Powered by lithium ion batteries (160Wh or less) | Allowed (remove the batteries from the body; the removed batteries and spare batteries must be protected against short circuits and carried on board only) | Allowed (the body only; the batteries cannot be checked) |
| Powered by other batteries | Allowed (separate the heating part and the battery, and protect the batteries against short circuits) | Allowed (same) |
Source
Source: MLIT: "Examples of Dangerous Goods by Air Transportation" (English version, last updated April 24, 2026) (retrieved 2026-09-27)
| Item | Carry-on baggage | Checked baggage |
|---|---|---|
| Electronic devices containing fuel cells (the body) | Allowed | Not allowed |
| Spare fuel cartridges for those devices | Allowed (up to 2; do not refuel on board except with dedicated spare cartridges) | Allowed (up to 2) |
| Luminous paint (used for the face of watches) | Allowed | Allowed |
| Luminous paint (other than the above) | Not allowed | Not allowed |
Source
Source: MLIT: "Examples of Dangerous Goods by Air Transportation" (English version, last updated April 24, 2026) (retrieved 2026-09-27)
Some airlines have stricter rules. On international flights, rules of other countries' authorities may also apply.