Ryanair power bank rules
What Ryanair’s own page says about power banks, checked 22 October 2026.
The rules
- Maximum of 2 power banks, within a limit of 20 spare batteries
- Each must not exceed 100 Wh; power banks over 100 Wh are not permitted
- Keep on your person or in your under-seat bag, not in the overhead locker
- Power banks must not be recharged on board
- You may use one to charge a device except during taxi, take-off and landing
| Using it on board | May charge devices, except during taxi, take-off and landing |
|---|---|
| Charging the power bank | Power banks must not be recharged on board |
| Where to keep it | On your person or in the under-seat bag, not the overhead locker |
Source: help.ryanair.com, checked 22 October 2026. Rules can change and can differ on codeshare flights, so check with the airline that operates your flight.
Common sizes on Ryanair
| Power bank | Wh | One power bank |
|---|---|---|
| 10,000 mAh at 3.7 V | 37.0 Wh | Allowed |
| 20,000 mAh at 3.7 V | 74.0 Wh | Allowed |
| 27,000 mAh at 3.7 V | 99.9 Wh | Allowed |
| 40,000 mAh at 3.7 V | 148.0 Wh | Not allowed |
Wh = mAh ÷ 1000 × V. We show 3.7 V as an example; use the voltage printed on yours. Check yours with the calculator →
Ryanair cabin bag size
Packing your hand luggage too? See the Ryanair cabin bag size and weight allowance, or check your bag against 36 airlines with the cabin bag checker.
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