What if my power bank’s label shows no Wh or mAh?

Expect it to be refused. Several airlines say the rating must be shown on the power bank, and Wizz Air, Qantas and China Southern treat an unmarked one as prohibited.

Rules checked on 21 October 2026. Every answer below is from an official source.

What the rules say

Authority or airlineAnswerQuoteSourceChecked
British AirwaysBA Capacity rating must be displayed. — britishairways.com 21 Oct 2026
KLMKL May be refused if Wh is not printed. — klm.com 21 Oct 2026
Wizz AirW6 No Wh marking = forbidden. — wizzair.com 21 Oct 2026
EmiratesEK Capacity info must be available. — emirates.com 21 Oct 2026
Etihad AirwaysEY Wh clearly marked. — etihad.com 21 Oct 2026
El AlLY Wh rating must be clearly marked. passengers may bring only one power bank on board, with a capacity not exceeding 100Wh and a clear marking of the Wh rating. The use of the power bank during the flight is strictly prohibited elal.com 21 Oct 2026
QantasQF Specs must be shown or treated as prohibited. — qantas.com 21 Oct 2026
China Southern AirlinesCZ Unclear or missing rating = prohibited. — csair.com 21 Oct 2026
IndiGo6E Power rating must be visible. — goindigo.in 21 Oct 2026
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