Can I bring 18650 batteries on a plane?

Can you take 18650 and 21700 lithium-ion vape batteries on planes? Yes, you can take 18650 and 21700 lithium-ion batteries on planes, although it depends on which companies you fly with and whether you store the batteries in your handheld or check-in luggage.



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Quantity limits: None for most batteries — but batteries must be for use by the passenger. Batteries carried for further sale or distribution (vendor samples, etc.) are prohibited. There is a limit of two spare batteries per person for the larger lithium ion batteries described above (101–160 watt hours per battery).

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Spare (uninstalled) lithium metal batteries and lithium ion batteries, portable rechargers, electronic cigarettes and vaping devices are prohibited in checked baggage. They must be carried with the passenger in carry-on baggage.

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Any flashlight can go through checked luggage if safely packed. Lithium batteries cannot go through checked luggage, they must travel with you in a carry-on.

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Spare (uninstalled) lithium ion and lithium metal batteries, including power banks and cell phone battery charging cases, must be carried in carry-on baggage only. With airline approval, passengers may also carry up to two spare larger lithium ion batteries (101–160 Wh) or lithium metal batteries (2-8 grams).

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For example, flyers often wonder if a 20000mah power bank is allowed on flight. As 20000mah makes for less than 100 watt-hours, it can be carried in cabin luggage.

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According to the guidelines of the IATA, the International Air Transport Association, it is allowed to take a power bank with a maximum of 27,000 mAh or 100W on the plane.

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What can happen if I accidentally forgot some portable electronics that use lithium batteries in my check in bag? Generally nothing happens. You can carry most electronic devices with installed lithium batteries in checked luggage. You cannot carry loose batteries or ones in external chargers.

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Quantity limits: None for most batteries — but batteries must be for use by the passenger. Batteries carried for further sale or distribution (vendor samples, etc.) are prohibited. There is a limit of two spare batteries per person for the larger lithium ion batteries described above (101–160 watt hours per battery).

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Spare (uninstalled) lithium ion and lithium metal batteries, including power banks and cell phone battery charging cases, must be carried in carry-on baggage only. With airline approval, passengers may also carry up to two spare larger lithium ion batteries (101–160 Wh) or lithium metal batteries (2-8 grams).

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Damaged, defective or recalled lithium batteries must not be carried in carry-on or checked baggage if they are likely to be a safety concern by overheating or catching on fire. When in doubt, leave it out. Check the FAA's Pack Safe website for the rules on carrying these items and other dangerous goods in baggage.

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Power banks with a capacity of more than 10,000 mAh are prohibited, some companies allow you to take up to 20,000 mAh. Large numbers are an exception. Hand luggage is the easiest way to take your power bank on a plane.

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