Southwest Airlines sets specific expectations for passengers traveling with devices that contain lithium batteries. These rules help protect flight safety while supporting common travel tech needs. Understanding the details reduces surprises at the gate and keeps your journey smooth.
From smartphones to power banks, Southwest aligns its lithium battery policy with federal aviation guidelines. The airline balances convenience with strict handling standards for both passenger and crew safety. This overview breaks down the key requirements in clear, practical terms.
| Item Type | Allowed in Cabin | Checked Bags Allowed | Remarks |
|---|---|---|---|
| Smartphone | Yes | No | Keep in device or carry-on |
| Laptop | Yes | No | Remove during inspection if requested |
| Power Bank | Yes | No | Must have clear capacity marking |
| Spare Batteries | Yes | No | Carry in cabin, protected terminals |
| Lithium Cargo | No | No | Not permitted on passenger flights |
Lithium Battery Size And Watt-Hour Limits
Passenger Devices And Capacity Rules
Southwest follows strict watt-hour limits for lithium batteries in passenger luggage. Most personal electronics fall well below these thresholds and are effortless to transport. Power banks and spare batteries must display clear capacity markings for airline staff to verify compliance.
Devices under 100 watt-hours are generally accepted without special approval. Batteries rated between 100 and 160 watt-hours may require advance approval and careful handling. Anything over 160 watt-hours is not permitted on passenger flights under any circumstances.
Packing And Handling Requirements
Carry-On Only Policies
Lithium batteries must be transported in carry-on baggage, never in checked luggage. This rule applies to devices, power banks, and loose batteries in your personal items. Keeping batteries accessible helps the crew manage risk and respond quickly if needed.
You should protect battery terminals from damage and accidental activation. Use original cases, battery sleeves, or separate zippered compartments. Taping exposed terminals is an additional precaution many travelers find reassuring.
In-Flight Use And Safety Protocols
When You Can Use Battery-Powered Devices
Southwest allows the use of smartphones, tablets, and laptops during most phases of flight. Crew instructions take priority, and devices must be powered off during critical safety periods. Power banks must remain off unless explicitly permitted, and cables should not block aisles or emergency equipment.
Key Takeaways For Southwest Travelers
- Always pack lithium batteries and power banks in your carry-on.
- Verify watt-hour ratings and keep marking visible to airline staff.
- Protect terminals and activate safety caps where possible.
- Follow crew instructions for device use and emergencies.
- Check airline policies before traveling with oversized or spare batteries.
FAQ
Reader questions
Can I check a lithium power bag in my checked luggage on Southwest?
No, lithium power banks and devices with built-in batteries must stay in your carry-on baggage. Checked bags are not permitted for items containing lithium batteries.
Do I need to tell Southwest in advance if I carry a power bank with over 100 watt-hours?
Yes, you must contact Southwest in advance and, if needed, obtain approval before travel. Batteries in this range require special handling and documentation.
Can I bring multiple loose lithium batteries in a single carry-on on Southwest?
Yes, you can bring spare batteries as long as they are in cabin luggage and their terminals are protected. Each battery must meet watt-hour limits and be clearly marked.
What happens if my lithium device gets damaged during the flight on Southwest?
Report any damage to a crew member immediately so the item can be inspected and handled according to safety procedures. Prompt reporting reduces risk to passengers and staff.