What size power bank can I take on Ryanair?
Up to 100 Wh. Not allowed over 100 Wh.
Source: Ryanair official page, checked 6 Nov 2026
Quick answer
Yes, in your carry-on only. How many: 2 (within 20 spare batteries in total). Maximum size: 100 Wh (Not allowed over 100 Wh). On board: Must not be recharged at any time on board.
Source: Ryanair official page, checked 6 Nov 2026
How many
2 (within 20 spare batteries in total)
Source: Ryanair, checked 6 Nov 2026
Maximum size
100 Wh
Not allowed over 100 Wh
Source: Ryanair, checked 6 Nov 2026
Using it on board
Must not be recharged at any time on board
Source: Ryanair, checked 6 Nov 2026
Where to keep it
On your person or in your under-seat bag; never in overhead lockers
Source: Ryanair, checked 6 Nov 2026
Can I take a 20,000 mAh power bank on Ryanair?
Yes. A typical 20,000 mAh power bank at 3.7 V is 74 Wh (20,000 × 3.7 ÷ 1,000). Check the Wh printed on yours.
Source: Ryanair official page, checked 6 Nov 2026
Can I take a 30,000 mAh power bank on Ryanair?
No. A typical 30,000 mAh power bank at 3.7 V is 111 Wh, which is over 100 Wh.
Source: Ryanair official page, checked 6 Nov 2026
Can I put a power bank in checked baggage on Ryanair?
No. Power banks are banned in checked bags on every airline, including bags checked at the gate. Take it out and carry it in the cabin.
Source: IATA guidance on the ICAO rule, checked 6 Nov 2026
How many Wh is my power bank?
Wh = mAh × volts ÷ 1,000. Most power banks use 3.7 V cells. The last column applies Ryanair's rule.
| Capacity | Watt-hours at 3.7 V | Allowed on Ryanair? |
|---|---|---|
| 10,000 mAh | 37 Wh | Yes |
| 20,000 mAh | 74 Wh | Yes |
| 26,800 mAh | 99.2 Wh | Yes |
| 30,000 mAh | 111 Wh | No |
Source: FAA PackSafe: lithium batteries, checked 6 Nov 2026