Can I Bring a Power Bank on a Plane?
Yes — but only in your carry-on. Power banks are banned from checked baggage on all commercial flights worldwide.
| Capacity | Carry-On | Checked Bag |
|---|---|---|
| Under 100 Wh (≈27,000 mAh) | ✓ Allowed — no limit | ✗ Banned |
| 100–160 Wh (27,000–43,000 mAh) | ⚠ Max 2, airline approval | ✗ Banned |
| Over 160 Wh (43,000+ mAh) | ✗ Banned | ✗ Banned |
To convert: Wh = (mAh × 3.7) ÷ 1000. A 20,000 mAh power bank = ~74 Wh — safely under the 100 Wh limit.
Related: Power Bank Checker · Baggage Rules by Airline · Carry-On Size Checker