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Power banks on planes in 2026: how many you can bring and airline rules

Checked in November 2026. Airlines may have stricter rules than international regulations, so check your airline’s website too.

The basic rule

An update to the international rules has applied since 27 March 2026. IATA explains it in its guidance:
- Power banks can be carried only in your carry-on baggage, never in checked baggage.
- No more than two per person.
- They must not be charged on board, and using them to charge other devices is discouraged.
- They must be protected against short circuits.

For power banks between 100 and 160 Wh, airline approval was required. IATA says this category will no longer be included in the edition of the rules effective from 1 January 2027, so we expect airlines that follow these rules to apply a 100 Wh limit.

What 100 Wh means

The capacity in Wh is usually printed on the casing. If it’s shown only in mAh, multiply by 3.7 and divide by 1,000:
- 10,000 mAh is 37 Wh.
- 20,000 mAh is 74 Wh.
- 27,000 mAh is approximately 100 Wh.

A power bank without visible markings may be refused at security because its capacity can’t be verified.

What the airlines say

  • Wizz Air: one power bank, up to 100 Wh, which must not be used during the flight.
  • Ryanair: up to two, up to 100 Wh each; they must not be placed in the overhead compartment or checked in.
  • Lufthansa Group: from 15 January 2026, power banks must not be used or charged on board. Up to two, up to 100 Wh each; they must not be placed in the overhead compartment.
  • Turkish Airlines: up to two, up to 100 Wh each; no charging on board and no storage in the overhead compartment.
  • FlyOne: up to two, up to 100 Wh each; devices must not be charged during the flight.
  • TAROM: use on board is prohibited.

What to do in practice

  • Charge your phone before the flight; you may not be able to charge it on board.
  • Keep your power bank with you or under the seat, where you can see it.
  • If your cabin bag is checked in at the gate, take the power bank out first.
  • Don’t bring a second one “just in case” if you’re flying with Wizz Air.

Also read about carry-on baggage size limits for each airline.