Southwest allows one power bank of up to 100 Wh per customer, carried in the cabin and never in checked bags or the overhead bin. You can use it to charge your devices only if it stays in view, and you cannot charge it from seat power.
Checked against Southwest Airlines' official page on . Airlines change these rules often; confirm before you fly.
- Using it on board
- With conditions
- How many
- 1One power bank per customer, effective April 20, 2026. Each must be 100 Wh or less.
- Size without approval
- 100 Wh
- Size with approval
- Not allowed
- Charging it on board
- Not allowed
- Checked bags
- Not allowed
Where to keep it
Must be visible while in use (not inside a bag). Not allowed in the overhead bin; store in a personal item under the seat.
Other Southwest Airlines' rules
- Cannot be recharged from in-seat power
- For smart bags, take the battery out before putting the bag in the overhead bin
- Recalled, damaged or defective batteries should not be packed
When this started
The current rule took effect on 2026-04-20.
Questions people ask
Can I bring a power bank on Southwest Airlines?
Southwest allows one power bank of up to 100 Wh per customer, carried in the cabin and never in checked bags or the overhead bin. You can use it to charge your devices only if it stays in view, and you cannot charge it from seat power.
Can I use a power bank on Southwest Airlines flights?
Yes, with conditions. Must be visible while in use (not inside a bag). Not allowed in the overhead bin; store in a personal item under the seat.
Can I put a power bank in checked luggage on Southwest Airlines?
No. Power banks must travel in the cabin.