Can you bring a power bank on Southwest Airlines?
Allowed, with conditions
Short answer: Yes, in carry-on bags only, with battery capacity up to 100 Wh and number of items up to 1 (reviewed 2026-10-27).
Short answer: not available right now. Some of the rules below are being rechecked against their official sources, so we do not sum them up. The rules that are still current are listed below; check the official sources before you travel.
This page puts Southwest Airlines' own rules for a power bank next to the security screening (TSA) and dangerous goods (FAA) rules for flights departing the United States. All of them apply at once when Southwest Airlines operates the flight, and you need to meet every one. Each rule is listed as its official source states it, with the date we last reviewed it.
Most recent review on this page: 2026-10-27.
What Southwest Airlines adds to the TSA and FAA rules
Southwest Airlines policy
Allowed, with the conditions listed
Power bank on Southwest: cabin only, must not exceed 100 watt-hours, one per Customer.
- Limits
- Battery capacity: up to 100 Wh
- Number of items: up to 1
Also note
- Must not be placed in the overhead bin; store it in a personal item under the seat in front of you.
- May not be charged onboard using in-seat power.
- When in use it must be visible (not stored in a bag).
Being rechecked: we are comparing this rule with its source again, so it is not shown. Check the official source below.
Source: Southwest Airlines: Traveling with Lithium Batteries, Chargers, E-Cigs & Lighters. Reviewed on 2026-10-27.
Other rules for power bank in a carry-on bag on Southwest Airlines
Security screening (TSA)
Allowed, with the conditions listed
Power bank rated up to 100 Wh: carry-on bags only.
- Applies when
- Battery capacity: up to 100 Wh
Being rechecked: we are comparing this rule with its source again, so it is not shown. Check the official source below.
Source: TSA: What Can I Bring?. Reviewed on 2026-10-27.
Airline approval required
Power bank rated 101-160 Wh: carry-on bags only, with airline approval, up to two per person.
- Applies when
- Battery capacity: at least 101 Wh
- Battery capacity: up to 160 Wh
- Limits
- Number of items: up to 2
Being rechecked: we are comparing this rule with its source again, so it is not shown. Check the official source below.
Source: TSA: What Can I Bring?. Reviewed on 2026-10-27.
Dangerous goods (FAA)
Allowed, with the conditions listed
Power bank rated up to 100 Wh: allowed in carry-on baggage.
- Applies when
- Battery capacity: up to 100 Wh
Also note
- Must be protected from damage and short circuit.
Being rechecked: we are comparing this rule with its source again, so it is not shown. Check the official source below.
Source: FAA: Airline Passengers and Batteries. Reviewed on 2026-10-27.
Airline approval required
Power bank rated 101-160 Wh: carry-on only, with airline approval, up to two per person.
- Applies when
- Battery capacity: at least 101 Wh
- Battery capacity: up to 160 Wh
- Limits
- Number of items: up to 2
Also note
- Must be protected from damage and short circuit.
Being rechecked: we are comparing this rule with its source again, so it is not shown. Check the official source below.
Source: FAA: Airline Passengers and Batteries. Reviewed on 2026-10-27.
Not allowed
Power bank rated over 160 Wh: forbidden.
- Applies when
- Battery capacity: more than 160 Wh
Being rechecked: we are comparing this rule with its source again, so it is not shown. Check the official source below.
Source: FAA: Airline Passengers and Batteries. Reviewed on 2026-10-27.
Other rules for power bank in a checked bag on Southwest Airlines
Southwest Airlines policy
Not allowed
Power bank on Southwest: not allowed in checked luggage.
Being rechecked: we are comparing this rule with its source again, so it is not shown. Check the official source below.
Source: Southwest Airlines: Traveling with Lithium Batteries, Chargers, E-Cigs & Lighters. Reviewed on 2026-10-27.
Security screening (TSA)
Not allowed
Power bank: not allowed in checked bags.
Being rechecked: we are comparing this rule with its source again, so it is not shown. Check the official source below.
Source: TSA: What Can I Bring?. Reviewed on 2026-10-27.
Dangerous goods (FAA)
Not allowed
Power bank: not allowed in checked baggage.
Being rechecked: we are comparing this rule with its source again, so it is not shown. Check the official source below.
Source: FAA: Airline Passengers and Batteries. Reviewed on 2026-10-27.
Check your own power bank
The item checker combines these rules for the values of your own item and gives a result for a Southwest Airlines flight. Battery rules use watt-hours (Wh): the Wh calculator works it out from the Wh, or the mAh and rated voltage, printed on the battery.
mAh to Wh, and the FAA rule for each value, for common capacities: 10,000 mAh, 20,000 mAh, 25,600 mAh, 26,800 mAh, 27,000 mAh, 27,600 mAh, 30,000 mAh.
Related pages
- All power bank rules (TSA, FAA and every airline)
- All Southwest Airlines rules we have reviewed
- Compare power bank rules by airline
- Can you bring a power bank on American Airlines?
- Can you bring a power bank on Breeze Airways?
- Can you bring a power bank on Delta Air Lines?
- Can you bring a power bank on JetBlue Airways?
Official sources
- FAA: Airline Passengers and Batteries (source checked on 2026-10-01)
- Southwest Airlines: Traveling with Lithium Batteries, Chargers, E-Cigs & Lighters (source checked on 2026-10-01)
- TSA: What Can I Bring? (source checked on 2026-10-01)
This page lists rules as the official sources state them, for travel departing the United States. It is not a decision about your item: security officers and your airline make the final call, and rules can change after the review dates shown. Destination customs and quarantine rules are not checked. See the terms and disclaimer.