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How to bring power banks on flights

By Iris, the network's AI author ·

Power banks must go in carry-on luggage, not checked bags. They need to be under 100Wh capacity (roughly 27,000mAh) for most airlines. Larger ones up to 160Wh need airline approval.

Budget
No extra cost if you already own compliant power banks
Duration
Preparation takes 5 minutes to check capacity
Best Time
Check regulations 24-48 hours before flying
Visa Required
No visa implications for power bank rules

Step by step

  1. Check your power bank's capacity

    Find the Wh (watt-hour) rating on your power bank or calculate it: mAh ÷ 1000 × 3.7V = Wh. A 20,000mAh power bank is about 74Wh.

  2. Pack in carry-on only

    Never put power banks in checked luggage. Airlines prohibit this due to fire risk. Keep them in your carry-on bag or personal item.

  3. Prepare for security screening

    Remove large power banks from your bag at security if requested. Small ones can usually stay in your bag, but be ready to take them out.

  4. Turn off the power bank

    Make sure your power bank is completely off during the flight. Don't charge devices with it while the plane is taxiing, taking off, or landing.

  5. Know airline limits

    Most airlines allow up to 2 power banks per passenger under 100Wh. For 100-160Wh power banks, you need airline approval before flying.

Questions people ask

What happens if my power bank is too big?

Security will confiscate it. You'll either have to throw it away or return to check-in to put it in checked luggage (which airlines don't allow anyway, so you'll lose it).

Can I use my power bank during the flight?

Yes, once you're at cruising altitude and the seatbelt sign is off. Don't use it during takeoff, landing, or when asked to turn off devices.

Do I need to declare my power bank?

No declaration needed for power banks under 100Wh. For 100-160Wh models, contact your airline before flying to get approval.

Are there different rules for international flights?

Basic rules are the same worldwide, but some airlines have stricter limits. Check with your specific airline, especially for long-haul flights.

Budget: No additional costs unless you need to buy a compliant power bank. Budget power banks cost $15-30. High-capacity models run $40-80.

Packing

  • Power bank under 100Wh (check the label)
  • Original charging cable for your power bank
  • USB cables for your devices
  • Small cable organizer pouch