Southwest Airlines Implements New Portable Charger Restrictions For Carry-On Luggage

Mei Lin

4 min read

Post on May 24, 2025

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Understanding the New Southwest Portable Charger Restrictions

Southwest's updated policy on portable chargers in carry-on luggage focuses on both size and power capacity. Failure to comply could result in your portable charger being confiscated at the security checkpoint.

Size Limitations

Southwest now restricts the size of portable chargers allowed in carry-on bags. While Southwest Airlines hasn't explicitly stated the exact dimensions, it's crucial to adhere to standard airline guidelines. Generally, portable chargers exceeding the size of a standard smartphone are likely to be flagged. Larger power banks must be checked in as part of your checked baggage.

• Measure your portable charger before your flight to avoid delays and potential frustration at the airport. Use a ruler to check the length, width, and height.
• Consider purchasing a smaller, compliant power bank specifically designed for air travel to avoid any issues. Many travel-sized power banks are readily available.
• Check the Southwest website for the most up-to-date information on allowed dimensions. While this article provides general guidance, official airline information should always take precedence.

Power Capacity Restrictions

The new rules also limit the power capacity (mAh – milliampere-hour) of portable chargers allowed in carry-on luggage. Again, Southwest hasn't publicly stated a specific mAh limit, but typical airline regulations restrict power banks to a maximum of 100 Wh (Watt-hours). Chargers exceeding this limit are generally prohibited in carry-on luggage.

• Check the mAh rating printed on your portable charger. This information is usually found on a label on the device itself.
• If your charger's mAh rating is too high, consider checking it in your checked baggage, ensuring it's properly protected within a hard case. Or, purchase a smaller alternative designed for carry-on use.
• Contact Southwest customer service for clarification on ambiguous situations or if you're unsure about your specific portable charger.

Why the Change? Enhanced Safety Measures

The stricter regulations on portable chargers are primarily driven by safety concerns. Lithium-ion batteries, common in portable chargers, pose a fire hazard if damaged or improperly stored.

• Lithium-ion batteries can overheat and even ignite under specific circumstances, especially if damaged or subjected to extreme temperatures.
• The new regulations aim to minimize these risks and improve overall flight safety for all passengers and crew. By limiting the size and power capacity of portable chargers in carry-on luggage, the potential for incidents is greatly reduced.
• Southwest is following industry trends and safety recommendations established by aviation authorities worldwide, aligning its policies with best practices for air travel.

What to Do If You Have a Non-Compliant Portable Charger

If your portable charger doesn't meet Southwest's (or other airlines') requirements, you have several options:

• Consider purchasing a smaller, compliant portable charger before your flight. This is often the simplest solution, ensuring you have a reliable power source during your journey.
• Check the charger in your checked baggage. Ensure it's properly packaged to prevent damage; placing it in a hard case is recommended. Be aware of Southwest's baggage allowance policy for checked bags.
• Familiarize yourself with Southwest’s baggage allowance policy for checked bags, ensuring your checked baggage weight and dimensions comply with regulations.
• Leave the non-compliant charger at home. This is the safest option if you can't easily replace it with a compliant alternative.

Conclusion

Southwest Airlines' new portable charger restrictions for carry-on luggage are designed to prioritize passenger safety. Understanding these updated rules regarding size and power capacity is crucial for smooth travel. Before your next Southwest flight, carefully review the specifics of these regulations, ensuring your portable chargers comply to avoid delays or issues at the airport. Remember to always check the official Southwest Airlines website for the most up-to-date information on their carry-on luggage and portable charger policies. Safe travels!