Can you bring a power bank on a plane? Yes — but the rules are specific, and getting them wrong can mean losing your power bank at security.
Here is what the TSA and international airlines allow in 2026.
The Core Rule: 100Wh (about 27,000mAh)
Power banks up to 100 watt-hours (roughly 27,000mAh at 3.7V) are allowed in carry-on luggage without special approval. This covers the vast majority of consumer power banks.
Carry-On Only — Never in Checked Luggage
Power banks must go in your carry-on, not checked luggage. This is a universal rule because lithium batteries are a fire risk in the cargo hold, and airlines require them to be within reach of the cabin crew.
100-160Wh Power Banks
Power banks between 100Wh and 160Wh (roughly 27,000-43,000mAh) can be carried with airline approval. Check with your airline in advance — many require you to declare it at check-in.
Practical Tips
- Keep the power bank's capacity label visible — security may ask.
- Do not pack loose lithium cells in checked bags.
- Carry a single larger power bank instead of several small ones.
- Charge it before the flight; many airlines limit use during taxi/takeoff.
For travel, choose a capacity that fits the 100Wh rule comfortably. Our portable power banks collection is built around practical, flight-friendly sizes for daily charging.
Rules vary slightly by airline — always confirm with your carrier before you fly.
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