Can you bring a 10,000 mAh power bank on a plane?

A 10,000 mAh power bank is about 37 Wh at 3.7 V. That’s under 100 Wh, so all 31 airlines we track allow it in your carry-on, no approval needed (5 allow only one power bank).

Rules checked on 21 October 2026 · 31 airlines.

10,000 mAh in Wh

Capacity at 3.7 V

37 Wh

10,000 mAh × 3.7 V ÷ 1000 = 37 Wh · under the 100 Wh limit

Most power banks use 3.7 V cells. If your label shows another voltage (often 3.6–3.85 V) or a Wh number, check with that — the checker does the math.

Check your 10,000 mAh power bank

Capacity

mAh

Voltage

Both numbers are printed on the label. Not sure about volts? Leave 3.7 V — it’s the standard.Both are on the label. Not sure about volts? Leave 3.7 V.

Airline

How many?

Free. No sign-up. Not affiliated with any airline.

10,000 mAh (37 Wh) by airline

Airline	1 power bank of 37 Wh	Why
Air Canada	Allowed	Up to 2 power banks.
Air China	Allowed	Up to 2 power banks.
Air France	Allowed	Up to 2 power banks.
Air India	Allowed	Up to 2 power banks.
Alaska Airlines	Allowed	Up to 2 power banks.
American Airlines	Allowed	Up to 2 power banks.
ANA	Allowed	Up to 2 power banks.
British Airways	Allowed	Up to 2 power banks.
Cathay Pacific	Allowed	Up to 2 power banks.
China Eastern Airlines	Allowed	Up to 2 power banks.
China Southern Airlines	Allowed	Up to 2 power banks.
Delta Air Lines	Allowed	Up to 2 power banks.
easyJet	Allowed	Up to 2 power banks.
El Al	Allowed	Only 1 power bank allowed.
Emirates	Allowed	Only 1 power bank allowed.
Etihad Airways	Allowed	Only 1 power bank allowed.
IndiGo	Allowed	Up to 2 power banks.
Japan Airlines	Allowed	Up to 2 power banks.
JetBlue	Allowed	Up to 2 power banks.
KLM	Allowed	Up to 2 power banks.
Korean Air	Allowed	Up to 2 power banks.
LATAM Airlines	Allowed	Up to 2 power banks.
Lufthansa	Allowed	Up to 2 power banks.
Qantas	Allowed	Up to 2 power banks.
Qatar Airways	Allowed	Up to 2 power banks.
Ryanair	Allowed	Up to 2 power banks.
Singapore Airlines	Allowed	Up to 2 power banks.
Southwest Airlines	Allowed	Only 1 power bank allowed.
Turkish Airlines	Allowed	Up to 2 power banks.
United Airlines	Allowed	Up to 2 power banks.
Wizz Air	Allowed	Only 1 power bank allowed.

Each verdict comes from the airline’s own page and the worldwide rules, for one power bank. Open an airline for the source.

10,000 mAh power bank questions

How many Wh is a 10,000 mAh power bank?

About 37 Wh at 3.7 V: 10,000 × 3.7 ÷ 1000 = 37 Wh. If the label shows a different voltage or a Wh number, use that.

Can a 10,000 mAh power bank go in checked luggage?

No. Power banks are carry-on only, on every airline we track.

Can I bring two 10,000 mAh power banks?

On most airlines, yes: the worldwide limit is 2 per person. Southwest Airlines, Wizz Air, Emirates, Etihad Airways, El Al allow only one.