QUICK ANSWER
The International Civil Aviation Organization says new international power-bank safety specifications became effective March 27, 2026. The rules limit passengers to two power banks and prohibit recharging those power banks during a flight. Power banks remain lithium-battery devices, so travelers should also follow the airline's current cabin-baggage, capacity, terminal-protection and storage instructions.
WHAT CHANGED ON MARCH 27, 2026
ICAO announced that international aviation safety specifications for portable power banks would be tightened because of the fire risk associated with lithium batteries. The two headline changes are a limit of two power banks per passenger and a prohibition on recharging the power banks during flight.
That does not mean every airline website will use identical wording. ICAO establishes international technical standards and recommended practices, while airlines and national authorities can publish their own passenger instructions within the applicable regulatory framework. Always check the carrier actually operating the flight.
CAN I BRING MORE THAN TWO POWER BANKS?
Under the ICAO specifications announced for March 27, 2026, passengers are limited to two power banks. If you are carrying several battery packs for cameras, phones, medical or professional equipment, do not assume they are all treated the same way. Check the airline's dangerous-goods rules before arriving at the airport.
CAN I CHARGE MY POWER BANK ON THE PLANE?
ICAO says passengers are prohibited from recharging power banks during flight. This is different from using a power bank to charge a phone, and airlines may publish additional restrictions about using or storing portable battery packs in the cabin. Follow the operating carrier's instructions once onboard.
WHY POWER BANKS RECEIVE SPECIAL TREATMENT
Power banks contain lithium cells capable of storing substantial energy in a compact device. If a lithium battery is damaged, defective, short-circuited or overheats, it can create a serious fire risk. Cabin rules are designed so a problem can be noticed and handled more quickly than if the device were inaccessible in a baggage hold.
The safest preparation is to inspect every power bank before travel. Do not fly with a swollen, damaged, recalled or visibly compromised battery. Protect exposed terminals from short circuits and keep the device accessible if the airline instructs you to do so.
CHECK CAPACITY BEFORE YOU PACK
Power-bank limits can also depend on watt-hour capacity. Capacity rules and approval requirements are not replaced by the new two-device limit. Look for the Wh rating on the power bank or calculate it from the manufacturer's specifications if necessary, then compare it with the current rules published by your airline and the relevant aviation authority.
Do not rely on an old social-media graphic or a rule from a different airline. A device that is acceptable on one itinerary may require additional approval or be prohibited under another carrier's current policy.
WHAT ABOUT CHECKED BAGGAGE?
Power banks are portable spare lithium batteries, and travelers should expect them to be subject to cabin-baggage controls rather than ordinary checked-baggage handling. Confirm the exact rule with the airline before departure, especially on an international itinerary with multiple operating carriers.
If your itinerary includes a codeshare, check the operating airline rather than only the company that sold the ticket. The operating carrier is the one whose onboard handling rules matter during that segment.
A PRACTICAL PRE-FLIGHT CHECKLIST
1. Count how many power banks you are bringing. 2. Confirm each device's watt-hour rating and condition. 3. Check the operating airline's current lithium-battery page. 4. Keep battery terminals protected from short circuit. 5. Do not pack a damaged, swollen or recalled battery. 6. Follow cabin-placement instructions and do not recharge the power bank during flight. 7. Recheck the policy before the return trip if the itinerary uses a different airline.
VOICE-SEARCH ANSWERS
How many power banks can I bring on a plane in 2026? ICAO's international specifications effective March 27, 2026 limit passengers to two power banks, subject to airline and national rules.
Can I charge my power bank on the plane? ICAO's new rules prohibit recharging the power bank during flight. Check the airline for any additional restrictions on using a power bank to charge another device.
Can I put a power bank in checked luggage? Power banks are treated as spare lithium batteries and are subject to special baggage controls. Verify the operating airline's current rule before packing.
Do all airlines have exactly the same power-bank rule? No. ICAO sets international specifications, but airlines and authorities can publish implementation details and additional restrictions. Check the carrier operating each flight.
STATUS AND FRESHNESS
Verified September 22, 2026 against ICAO's official March 27, 2026 announcement. Airline policies and national implementation details can change, so recheck the operating carrier shortly before departure.