Southwest Airlines power bank rules (2026)
Southwest Airlines allows one power bank up to 100 Wh per passenger, in your carry-on only. You can’t recharge it on board, and using it is limited. These rules apply since 20 April 2026.
Source: support.southwest.com· Checked 21 Oct 2026
Max power banks
1
No approval up to
100 Wh
Use on board
Limited
Recharge on board
No
What Southwest Airlines says
“must not exceed 100 watt-hours ... each Customer is limited to one power bank (effective April 20, 2026) ... when in use it must be visible (not stored in a bag)”
Source: support.southwest.com· Checked 21 Oct 2026
Every Southwest Airlines power bank rule
Only 1 power bank per passenger on Southwest AirlinesSouthwest Airlines's page: One power bank per customer (from 2026-04-20)
Up to 100 Wh each without approval
Over 100 Wh: not allowed on Southwest Airlines
Using it on board is limited — see the rules below
No recharging the power bank on board
Carry-on only. Never in checked bags
Must be visible when in use
Not in overhead bin
No charging from in-seat power
Prohibited in checked/gate-checked bags
Rules checked on 21 October 2026 · in force since 20 April 2026.
Report an outdated ruleFlying with another North American airline?
| Airline | Max power banks | No approval up to | Use on board |
|---|---|---|---|
| Southwest Airlines | 1 | 100 Wh | Limited |
| American Airlines | 2 | 100 Wh | Limited |
| Delta Air Lines | 2 | 100 Wh | Limited |
| United Airlines | 2 | 100 Wh | Not stated |
Southwest Airlines power bank questions
Can I bring 2 power banks on Southwest Airlines?
No. Southwest Airlines allows only one power bank per passenger. From Southwest Airlines’s page: One power bank per customer (from 2026-04-20).
Can I bring a 20,000 mAh power bank on Southwest Airlines?
Yes. At 3.7 V a 20,000 mAh power bank is about 74 Wh, under Southwest Airlines’s 100 Wh limit. Keep it in your carry-on.
Can I use my power bank on a Southwest Airlines flight?
Only in a limited way. Southwest Airlines’s rules: Must be visible when in use; No charging from in-seat power. You can’t recharge the power bank on board.
