Overview

• FAA guidance warns that lithium batteries, including power banks and e‑cigarettes, can trigger thermal runaway and start onboard fires.
• The alert notes that items placed in overhead bins or packed carry‑ons may be hard to monitor or reach, raising risk during in‑flight emergencies.
• FAA advises operators to review firefighting procedures and passenger messaging to improve early identification and response.
• The agency reports 50 verified battery‑related incidents through August and emphasizes that water is needed to cool overheating cells, as Halon alone does not stop thermal runaway.
• Regulatory and airline steps continue, with TSA reminders about checked‑bag restrictions and Southwest requiring portable chargers in use to remain in plain sight.