飛行機にBatteriesを持ち込める？
可能 — Batteriesは機内持ち込み手荷物として飛行機に持ち込めます。 AA/AAA/C/D dry cells: both bags OK.
- · AA/AAA/C/D dry cells: both bags OK
- · Spare lithium batteries: carry-on only
- · Tape terminals or use original retail packaging
- · Installed device batteries: generally fine in either bag
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🔋 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.
航空保安当局別の公式規定
Rules by security authority
United States — TSA
機内持込:
可能
Yes, everyday batteries (AA, AAA, lithium spares) are allowed in carry-on — and lithium spares belong here only.
受託手荷物:
条件付き
Dry batteries (AA/AAA) are fine checked. Spare lithium or power-bank-type batteries are banned from checked bags.
Flying internationally? Security follows the country you depart from — the authority above applies at your departure airport. Customs at arrival is separate.
Batteriesのパッキング注意点
機内持ち込み手荷物: Yes, everyday batteries (AA, AAA, lithium spares) are allowed in carry-on — and lithium spares belong here only.
受託手荷物（預け荷物）: Dry batteries (AA/AAA) are fine checked. Spare lithium or power-bank-type batteries are banned from checked bags.
保安検査場での最終的な持ち込み可否判断は、現場の保安検査員に委ねられます。
よくある質問 (FAQ)
Frequently asked questions
Can you bring Spare Batteries in a carry-on?
Yes, everyday batteries (AA, AAA, lithium spares) are allowed in carry-on — and lithium spares belong here only.
Can you pack Spare Batteries in checked luggage?
Dry batteries (AA/AAA) are fine checked. Spare lithium or power-bank-type batteries are banned from checked bags.
Last verified:
Verified against official sources. Rules change — for high-stakes items, confirm with your airline and the screening authority. Our verification method →