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Can I bring this power bank on my flight?

Short answer: under IATA's 2026 guidance you can bring up to two power banks of 100 Wh or less (about 27,000 mAh at 3.7 V) in your carry-on, never in a checked bag. Some airlines go further and ban using one in flight. Pick yours to see its rule.

15 of 19 airlines verified against their own rule. The rest show the IATA baseline, labelled as such.

2 Your power bank optional
mAh
V

Wh = mAh × V ÷ 1000. If the bank prints a Wh figure, use the Wh tab: that's the number staff check.

IATA baselineiata.org · read 5 Nov 2026

Pick an airline.

Until you do, here is IATA's 2026 baseline: Up to 2 power banks, each 100 Wh or less, in carry-on baggage only. IATA's guidance lists power banks over 100 Wh as forbidden, although ICAO's rules still let an airline approve 100 to 160 Wh. Don't recharge one from aircraft power, don't use one to power a device during taxi, takeoff or landing, and keep it out of the overhead locker.

Cabin bag
Yes, carry-on onlyIATA baseline
Checked bag
No, never in checked baggageIATA baseline
Size limit
100 Wh per bankIATA baseline
Airline approval
None needed up to 100 Wh. Over 100 Wh, IATA's guidance says forbidden and ICAO lets an airline approve up to 160 Wh: ask the airline first.IATA baseline
How many
Up to 2IATA baseline
Using it in flight
Allowed, but not during taxi, takeoff or landingIATA baseline
Recharging it on board
No, never from aircraft powerIATA baseline
Where it rides
With you, not in the overhead lockerIATA baseline

Banks under the 100 Wh baseline

  • Anker Laptop Power Bank 25K25,000 mAh · 90 Wh · model A1695View on Amazon
  • CUKTECH 90W Power Bank with charge display15,000 mAh · 54 Wh · CUKTECH PB150PView on Amazon
More for the flight: our Long-Haul Flight Essentials list on Amazon

Amazon links. We may earn a commission, at no extra cost to you.

The math

Airlines count watt-hours, not mAh.

The number on the box is mAh. The number the rule uses is Wh. Convert with Wh = mAh × V ÷ 1000, where V is the cell voltage. Most power banks use lithium-ion cells rated 3.6 or 3.7 V; the checker uses 3.7 V when you don't enter one, the higher of the two, so it never rounds a bank down under the line.

IATA says every lithium-ion battery must have its Wh rating marked on the case, and that an airline may refuse one whose rating staff can't verify. If your bank prints a Wh figure, that is the number to trust.

Power bank capacity converted to watt-hours at 3.7 V
CapacityAt 3.7 VAgainst 100 Wh
10,000 mAh37.0 WhUnder the limit
20,000 mAh74.0 WhUnder the limit
26,800 mAh99.2 WhUnder the limit
30,000 mAh111.0 WhOver the limit

Airline by airline

15 airlines verified. 4 still on the baseline.

We only show an airline's own rule once a named source confirms it. Until then the airline gets the IATA baseline, marked as the baseline, and nothing is filled in.

  • Lufthansa

    Verified 29 Oct 2026

    Up to 2 power banks, each 100 Wh or less. Since 15 January 2026 you can't use one in flight or charge it on board.

    In flight
    No. Banned in flight since 15 January 2026
    Recharge on board
    No, banned on board
    Check a bank against itLufthansa seat power guide

  • Qatar Airways

    Verified 29 Oct 2026

    Up to 2 power banks, each 100 Wh or less, cabin bag only. You may use a power bank to charge your devices at your seat while it stays in plain sight; recharging the bank itself on board is banned.

    In flight
    Yes, at your seat, kept in plain sight
    Recharge on board
    No, recharging the bank on board is banned
    Check a bank against itQatar Airways seat power guide

  • Air France

    Verified 5 Nov 2026

    Up to 2 power banks, cabin only, each up to 160 Wh (100 to 160 Wh needs Air France's approval before the trip). You can't use one or recharge it on board, and it can't go in the overhead bin.

    In flight
    No, using one on board is prohibited
    Recharge on board
    No, recharging on board is prohibited
    Check a bank against itAir France seat power guide

  • KLM

    Verified 5 Nov 2026

    Up to 2 power banks, each 100 Wh or less (a 100 to 160 Wh battery needs KLM's permission first). Keep it with you: not in the overhead bin, and you can't use it or charge it on board.

    In flight
    No, using one on board is not allowed
    Recharge on board
    No, charging on board is not allowed
    Check a bank against itKLM seat power guide

  • British Airways

    Verified 5 Nov 2026

    Up to 2 power banks, each 100 Wh or less, never in checked baggage. Keep it in the seat pocket or a bag under the seat in front, and never charge it from the seat's power supply.

    In flight
    Allowed, but not during taxi, takeoff or landing
    Recharge on board
    No, never from the seat's power supply
    Check a bank against itBritish Airways seat power guide

  • Delta Air Lines

    Verified 29 Oct 2026

    Carry-on only, up to 2 power banks, each 100 Wh or less with no exceptions. Never recharge it on board, and don't charge a device from it during taxi, takeoff or landing.

    In flight
    Yes, except during taxi, takeoff and landing
    Recharge on board
    No, never on board
    Check a bank against itDelta Air Lines seat power guide

  • JetBlue

    Verified 5 Nov 2026

    No more than 2 power banks per customer, not in checked baggage or overhead compartments. They must not be charged from in-seat power during flight and should not be used to charge or power other devices during flight.

    In flight
    JetBlue says they should not be used to charge or power other devices in flight
    Recharge on board
    No, not from in-seat power
    Check a bank against itJetBlue seat power guide

  • Alaska Airlines

    Verified 5 Nov 2026

    Up to 2 power banks per guest, each 100 Wh or less (101 to 160 Wh is forbidden). Keep it within arm's reach, not in the overhead bin or closet. Don't charge it from in-seat power, and don't use it during taxi, takeoff or landing.

    In flight
    Yes, except during taxi, takeoff and landing
    Recharge on board
    No, not from in-seat power
    Check a bank against itAlaska Airlines seat power guide

  • American Airlines

    Verified 5 Nov 2026

    Up to 2 portable chargers (power banks) per passenger, each 100 Wh or less, carry-on only. Keep them within reach and visible while in use. Don't recharge one from in-seat power, and don't store one in the overhead bin or another enclosed space.

    In flight
    Allowed: American says keep it within reach and visible while in use
    Recharge on board
    No, not from in-seat power
    Check a bank against itAmerican Airlines seat power guide

  • United Airlines

    Verified 5 Nov 2026

    Up to 2 portable chargers per passenger, cabin bags only, kept on you or in your personal item. They can't go in overhead bins or be recharged from aircraft power.

    In flight
    Allowed, but not during taxi, takeoff or landing
    Recharge on board
    No, never from aircraft power
    Check a bank against itUnited Airlines seat power guide

  • Emirates

    Verified 5 Nov 2026

    One power bank per customer, under 100 Wh, never in checked luggage. Using any power bank on board is banned since 1 October 2025, and so is charging one from the aircraft's power. Keep it in the seat pocket or a bag under the seat in front, not the overhead bin.

    In flight
    No. Using any power bank on board is banned since 1 October 2025
    Recharge on board
    No, not from the aircraft's power
    Check a bank against itEmirates seat power guide

  • Turkish Airlines

    Verified 5 Nov 2026

    Up to 2 power banks, each 100 Wh or less, cabin only. A power bank can't be charged at any stage of the flight or used to charge other devices, and it can't go in the overhead bins. Over 100 Wh is prohibited.

    In flight
    No, can't be used to charge other devices
    Recharge on board
    No, can't be charged at any stage of the flight
    Check a bank against itTurkish Airlines seat power guide

  • Singapore Airlines

    Verified 5 Nov 2026

    Up to 2 power banks, cabin only. Up to 100 Wh needs no approval, 100 to 160 Wh needs the airline's prior approval, over 160 Wh is not allowed. You can't charge one from seat power or USB, or use one to charge your devices. Keep it in the seat pocket or under the seat in front, not the overhead compartment.

    In flight
    No. Using one to charge your devices is banned since 1 April 2025
    Recharge on board
    No, not from seat power or USB
    Check a bank against itSingapore Airlines seat power guide

  • Qantas

    Verified 5 Nov 2026

    Up to 2 power banks, each 160 Wh or less, carry-on only. Since 15 December 2025 on Qantas, QantasLink and Jetstar you can't use a power bank or charge one on board, including from in-seat power or USB. Keep it within reach in the seat pocket or under the seat in front.

    In flight
    No. Banned since 15 December 2025
    Recharge on board
    No, including from in-seat power or USB
    Check a bank against itQantas seat power guide

  • easyJet

    Verified 5 Nov 2026

    Up to 2 power banks, each 160 Wh or less, cabin baggage only, each in its retail packaging or a plastic bag. Using a power bank on board is prohibited, including to charge other devices. easyJet recommends keeping them on your person.

    In flight
    No, prohibited on easyJet aircraft
    Recharge on board
    Not stated separately. Using a power bank on board is prohibited
    Check a bank against iteasyJet seat power guide

Not verified yet

For these airlines the checker shows IATA's 2026 baseline: up to 2 power banks, each 100 Wh or less, in carry-on baggage only. IATA's guidance lists power banks over 100 Wh as forbidden, although ICAO's rules still let an airline approve 100 to 160 Wh. Don't recharge one from aircraft power, don't use one to power a device during taxi, takeoff or landing, and keep it out of the overhead locker. It is not the airline's own rule, and an airline may be stricter.

Sources

Where every rule comes from.

Questions

Power banks on planes, answered.

How do I convert mAh to Wh for a power bank?

Multiply the mAh by the cell voltage and divide by 1,000: Wh = mAh × V ÷ 1000. Most power banks use lithium-ion cells rated 3.6 or 3.7 V, so a 20,000 mAh bank is about 74.0 Wh at 3.7 V. If the Wh rating is printed on the bank, use that number instead: it is the one airport staff check.

Can I put a power bank in checked luggage?

No. IATA's 2026 passenger guidance lists power banks as carry-on only, at every size, and Qatar Airways, Air France, British Airways, Delta, JetBlue, Alaska Airlines, American Airlines, United Airlines, Emirates, Turkish Airlines, Singapore Airlines, Qantas and easyJet say the same in their own rules. If your cabin bag is taken at the gate to go in the hold, take the power bank out first.

What is the power bank limit on planes in 2026?

Two power banks per passenger, in carry-on baggage, never recharged on board: ICAO's rules have said so since 27 March 2026 and IATA's 2026 passenger guidance (31 March 2026) repeats it. Up to 100 Wh each needs no approval. Between 100 and 160 Wh the sources split: ICAO's rules still let an airline approve a power bank that size, but IATA's guidance lists it as forbidden and says the approval route will not carry into its 2027 rulebook, and many airlines have already closed it. Over 160 Wh is never allowed. IATA's guidance also says not to use a power bank to power a device during taxi, takeoff or landing and not to keep it in the overhead locker. Airlines may set stricter rules.

Which airlines ban using a power bank in flight?

Of the 15 airlines we have verified against their own page, Lufthansa, Air France, KLM, Emirates, Turkish Airlines, Singapore Airlines, Qantas and easyJet ban using a power bank in flight. Qatar Airways, Delta, Alaska Airlines and American Airlines allow it with conditions. JetBlue asks passengers not to use one to charge or power other devices, without calling it a ban. British Airways and United Airlines print no use rule for power banks that we could find, so the checker shows the IATA baseline in that row and labels it. For the other 4 airlines we have not verified a rule yet, so the checker shows the IATA baseline and labels it as such.

Seat power, airline by airline: the airplane power outlets guide.