WestJet Power Bank Rules 2026
You can take up to 1 power bank of up to 100 Wh, in carry-on only. In-flight use: restricted.
At a glance
Capacity
Up to 100 Wh (≈ 27,000 mAh)Allowed
100–160 WhWith approval
We couldn’t find this on the WestJet website; check with the airline.
Over 160 WhNot allowed
Rules
Power banks per passengerup to 1
Use in flightRestricted
Charge in flightNot allowed
Checked baggageNot allowed
What else matters
Where to keep itOn your person or in the seat pocket; not in the overhead bin
Capacity markingKeep the capacity (Wh, or mAh and V) readable on the case so staff can check it.
Over the limitIt will be taken at security: power banks may not go in checked baggage.
Codeshares and connectionsThe rules of the airline that operates the flight apply. With a connection, follow the strictest one.
SourceOfficial WestJet rule ↗ · reviewed on 9 October 2026
Questions about WestJet and power banks
How many power banks can I take on WestJet?
WestJet allows up to 1 power bank per passenger, in carry-on baggage only.
What is the WestJet power bank capacity limit?
Up to 100 Wh without asking. From 100 to 160 Wh only with the airline’s prior approval. Over 160 Wh is not accepted.
Can I use or charge a power bank on an WestJet flight?
Using it in flight: not permitted to charge a device when seat power is available. Charging the power bank itself on board: not allowed.
Can I put a power bank in checked baggage on WestJet?
No. Power banks are spare lithium batteries and travel in the cabin only.
