Southwest Airlines Carry-On Restrictions: New Rules For Portable Chargers

Aria Freeman

5 min read

Post on May 23, 2025

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Understanding Southwest Airlines' Carry-On Size and Weight Limits

Before diving into portable charger specifics, let's review Southwest's overall carry-on baggage allowance. Understanding these limits is the first step to ensuring a seamless travel experience.

Standard Carry-On Baggage

Southwest Airlines allows one carry-on bag per passenger, free of charge. The standard size limit is generally 24 inches x 16 inches x 10 inches (including handles and wheels). There's no official weight limit explicitly stated, but Southwest recommends keeping your bag reasonably lightweight for easy handling.

• Dimensions: 24" x 16" x 10" (including handles and wheels)
• Weight: While not explicitly stated, aim for a manageable weight to avoid difficulty stowing your bag.
• Exceptions: Families traveling with infants may be allowed additional carry-on items for necessities. Always check with Southwest customer service for clarification on specific circumstances.

[Insert graphic here illustrating allowed carry-on dimensions]

Items Exceeding Size/Weight Limits

Bags exceeding Southwest's carry-on size or deemed excessively heavy may be subject to fees. These fees can be substantial, so it's important to check Southwest's website for the most current information on baggage fees before your flight. Oversized or overweight carry-on bags may be gate-checked (meaning they are transported in the cargo hold and retrieved at the baggage carousel upon arrival).

• Oversized Bag Fees: Vary depending on the size and weight of the bag. Check Southwest's website for the up-to-date fee schedule.
• Alternatives: Consider checking your bag if it exceeds the size/weight limits. Alternatively, pack lighter and use a smaller travel bag that adheres to the carry-on guidelines.

Specific Regulations for Portable Chargers and Power Banks on Southwest Airlines

Now, let's address the specifics regarding portable chargers and power banks. These devices, while essential, fall under specific regulations.

Allowed Battery Capacity

Southwest Airlines follows Transportation Security Administration (TSA) guidelines for portable chargers. The maximum allowed watt-hour (Wh) rating for a portable charger in carry-on baggage is generally 100 Wh. If your charger's rating is expressed in milliampere-hours (mAh), you'll need to convert it to Wh using the following formula: (Voltage x mAh) / 1000 = Wh.

• Maximum Wh: 100 Wh
• mAh to Wh Conversion: (Voltage x mAh) / 1000 = Wh (e.g., a 10,000 mAh battery with a 3.7V voltage is 37Wh)
• Examples: Many standard portable chargers with capacities around 10,000-20,000 mAh fall within the allowed limit. Always double-check your specific charger's specifications.

Safe Transportation of Portable Chargers

It's crucial to keep your portable charger in your carry-on baggage, never in checked luggage. Lithium-ion batteries, which power most portable chargers, are subject to strict regulations and present a potential safety risk if damaged during transit.

• Carry-on Only: Always transport your portable charger in your carry-on bag.
• Protection: Protect your portable charger from damage by storing it in a protective case or bag. Avoid placing heavy objects on top of it.
• Power Bank Protection: Consider a hard case to prevent accidental damage.

Prohibited Portable Chargers

Southwest Airlines prohibits any portable chargers or power banks exceeding the 100 Wh limit. Damaged or recalled portable chargers are also prohibited. This is for both passenger and aircraft safety. Attempting to bring prohibited items onboard can lead to delays and potential fines.

• Damaged Chargers: Do not bring damaged or recalled portable chargers.
• Over 100 Wh: Chargers exceeding the 100 Wh limit are strictly prohibited.
• Lithium-ion Battery Restrictions: These restrictions are in place to prevent potential fire hazards.

Packing Tips for Portable Chargers and Other Electronics

Efficient packing can make your travel experience much smoother. Here are some tips for managing your electronics and portable chargers.

Optimizing Carry-On Space

Maximize your carry-on space by using packing cubes or compression bags. These will help keep your belongings organized and prevent unnecessary wrinkles.

• Packing Cubes: These separate your clothing and accessories.
• Compression Bags: These reduce the size of bulky items.
• Cable Management: Wrap cables using cable ties or small ziplock bags to prevent tangles.

Charging During the Flight

Southwest Airlines does not guarantee power outlets on all their flights. The availability of power outlets varies greatly between planes. If you need to charge your devices during a long flight, it's a good idea to bring a portable charger.

• Power Outlets: Check the plane's availability before counting on them.
• Wall Adapters: For international travel, bring a wall adapter compatible with your devices and the country you are visiting.
• Battery Life Management: Minimize your device usage and enable power-saving modes to maximize battery life.

Conclusion

Successfully navigating Southwest Airlines' carry-on restrictions, particularly regarding portable chargers, ensures a hassle-free travel experience. By understanding the allowed battery capacities (100 Wh maximum), properly packing your electronics, and familiarizing yourself with the airline's size and weight limitations, you can avoid delays and additional fees. Remember to always check the official Southwest Airlines website for the most up-to-date information on carry-on baggage policies and any changes regarding portable chargers before your flight. Plan your trip with confidence and enjoy your journey! Remember to always review the latest Southwest Airlines carry-on restrictions before your next trip.