Southwest Airlines has launched a strict safety rule as lithium battery risks climb. On May 28, 2025, the airline will become the first U.S. carrier to require all portable chargers remain visible during use on flights. This bold step goes beyond current U.S. aviation standards and addresses a major cause of onboard fires—overheating lithium-ion batteries.

The growing use of power banks and portable electronics increases the threat of fire during air travel. Many airlines globally have responded with strict measures, but Southwest Airlines leads domestically. Their new in-flight rule forces passengers to place chargers in plain sight, not inside bags, while charging. Travelers must now keep their devices on tray tables or in seat pockets when powered. If not in use, passengers may store them in carry-on bags but must switch them off.

This policy aims to lower fire risks by making these devices easier to monitor. Flight attendants can now spot any battery overheating immediately and take fast action. The decision reflects a trend of battery-related incidents, especially those involving portable power banks and e-cigarettes. Overheating or faulty batteries often cause smoke or even fires in pressurized cabins.

Southwest Airlines sets a new bar with this safety-first decision. While the FAA restricts lithium batteries in checked luggage, no U.S. carrier had previously mandated visibility during use. International airlines have adopted similar measures, and experts believe U.S. carriers will soon follow.

The airline already uses its mobile app and communication channels to educate passengers. With this new rule, Southwest Airlines strengthens its reputation for putting customer safety first. In today’s tech-heavy world, travelers carry more battery-powered devices than ever. That creates more chances for onboard safety issues. This new move by Southwest Airlines could reshape how U.S. carriers handle in-flight tech safety.

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