"Smart luggage" refers to a new generation of suitcases that integrate advanced technology directly into the bag's frame to enhance the travel experience. The core features typically include GPS or Bluetooth tracking (allowing you to locate your bag via a smartphone app), built-in digital scales in the handle to prevent overweight fees, and USB charging ports powered by an internal battery. Some high-end models even feature "follow-me" technology, where the bag uses sensors and wheels to follow you through the airport autonomously. However, a critical safety regulation in 2026 involves the lithium-ion batteries that power these features. According to IATA and FAA rules, any smart luggage with a non-removable battery is strictly prohibited from being checked into the cargo hold due to fire risks. If you are checking the bag, you must be able to pop the battery out and carry it with you in the cabin. Because of these restrictions, "smart" bags have shifted toward "removable power banks" and using low-energy AirTag-style trackers. While the novelty of "self-driving" bags has faded, the "smart" features like integrated scales and secure proximity locks remain highly valued by tech-savvy frequent flyers.