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Can I Carry It? — verified carry-on guide

¿Se puede llevar Batteries (AA / Lithium) en un avión?

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Yes — you can bring batteries on a plane in your carry-on luggage. AA/AAA/C/D/9V/button cells: both bags.

  • · AA/AAA/C/D/9V/button cells: both bags
  • · Spare lithium batteries + power banks: carry-on only
  • · Lithium limits: ≤ 100 Wh (ion) / ≤ 2 g lithium (metal)
  • · Cover terminals on spares — tape, caps, or a battery case
On this page · 5 sections

🔋 Battery watt-hour calculator

Power banks show mAh, airlines limit Wh. Under 100 Wh flies free in carry-on; 100–160 Wh needs airline approval.

Normativas por autoridad de seguridad

Rules by security authority

United States — TSA

Carry-on

Yes

Yes — everyday alkaline cells fly in either bag; loose lithium batteries and power banks are cabin-only.

Checked bag

Yes

Alkaline/NiMH batteries: yes. Spare lithium batteries: no, they are cabin-only — installed-in-device batteries are fine in checked bags.

Rule conditions: AA/AAA/C/D/9V/button cells: both bagsSpare lithium batteries + power banks: carry-on onlyLithium limits: ≤ 100 Wh (ion) / ≤ 2 g lithium (metal)Cover terminals on spares — tape, caps, or a battery case

Flying internationally? Security follows the country you depart from — the authority above applies at your departure airport. Customs at arrival is separate.

Cómo empacar batteries (aa / lithium)

Equipaje de mano: Yes — everyday alkaline cells fly in either bag; loose lithium batteries and power banks are cabin-only.

Equipaje facturado: Alkaline/NiMH batteries: yes. Spare lithium batteries: no, they are cabin-only — installed-in-device batteries are fine in checked bags.

El oficial de seguridad del aeropuerto siempre tiene la decisión final sobre si un artículo pasa el control.

Preguntas frecuentes

Frequently asked questions

Can you bring Batteries in a carry-on?

Yes — everyday alkaline cells fly in either bag; loose lithium batteries and power banks are cabin-only.

Can you pack Batteries in checked luggage?

Alkaline/NiMH batteries: yes. Spare lithium batteries: no, they are cabin-only — installed-in-device batteries are fine in checked bags.

Can I bring AA batteries on a plane?

Yes — alkaline and other common dry batteries (AA, AAA, C, D, 9V, button cells) are allowed in carry-on and checked bags. Cover the terminals of loose ones to prevent short circuits.

Can lithium batteries go in checked luggage?

Spare (uninstalled) lithium batteries and power banks cannot — they are cabin-only under FAA rules, limited to 100 watt-hours (ion) or 2 grams of lithium (metal). Batteries installed in a device are fine in checked bags.

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