Which power bank can you take on a plane in 2026 so it won't be confiscated at security?

In 2026, the rules for carrying power banks have become stricter, but if you know the basic requirements, there will be no problems. The main thing to remember: a power bank can only be carried in hand luggage; it is strictly forbidden to put it in checked baggage. The maximum capacity you can take without additional coordination with the airline is up to 100 Wh. For most standard power banks, this is approximately up to 27,000 mAh. If your device's capacity is between 100 and 160 Wh (27,000–43,000 mAh), you need to obtain written permission from the airline at least 48 hours in advance. Batteries with a capacity of more than 160 Wh (over 43,000 mAh) are strictly prohibited from being carried on the plane.

Please note that airlines focus on watt-hours (Wh), not milliamp-hours (mAh), which are usually written in large print on the case. To convert mAh to Wh, use the formula: (mAh × 3.7 V) / 1000. For example, a popular 20,000 mAh power bank is (20,000 × 3.7) / 1000 = 74 Wh, which fully complies with the regulations. It is also important that the device has a clear capacity marking on the case. If it is worn off or missing, take the box or a printout of the specifications from the manufacturer's website with you — without this, the power bank may not be allowed on board.

You can learn more in our reliable and honest guide in the article Which power bank can you take on a plane: complete instructions to avoid confiscation

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