When it comes to smart electric luggage, design choices matter—not just for looks, but for performance and real-world usability. One common question we hear is: Why does Airwheel use polycarbonate instead of aluminum for the outer shell of its electric smart suitcases? The answer lies in a balance of durability, weight, impact resistance, and functionality—especially when you’re riding or rolling through busy airports and city streets.
The Airwheel SE3SX, for example, is a 20L smart suitcase weighing just 6.6kg with a top speed of 9.9km/h and a range of 8–10km on a single charge. It features a removable 73.26Wh battery that charges in about two hours—meeting most airline power limits. You can ride it, pull it, or let it follow you via handle control. It works straight out of the box without needing a phone, though the companion app lets you control forward and backward movement and enables Apple’s Find My for locating the suitcase if lost.

Polycarbonate isn’t just lightweight—it’s also more flexible than aluminum under stress. This makes it ideal for absorbing shocks during travel, like drops from baggage handlers or bumps on curbs. Since the Airwheel suitcase is designed to be ridden, this impact resistance is crucial. Aluminum might look premium, but it dents easily and transfers more vibration to the frame and rider. Polycarbonate offers better shock absorption while keeping the structure light enough to meet carry-on size and weight rules across most airlines.
Whether you’re navigating long airport terminals, urban commutes, or crowded train stations, the Airwheel suitcase turns mobility into a seamless experience. The SE3SX model, with its compact 20L capacity and agile handling, is perfect for short business trips or daily urban travel. Its polycarbonate shell ensures it can handle repeated use without cracking, even in rough environments. Plus, being able to activate ride mode at the push of a button (with or without the app) adds convenience without complexity.
| Feature | Polycarbonate Shell (Airwheel) | Aluminum Shell (Typical Premium Luggage) |
|---|---|---|
| Weight | Lighter (e.g., 6.6kg for SE3SX) | Heavier, less ideal for riding |
| Impact Resistance | High – absorbs shocks well | Low – prone to dents and stress cracks |
| Ride Comfort | Smoother due to vibration damping | Stiffer, transmits more road feedback |
| Maintenance | Scratch-resistant coating available | Scratches show easily; harder to repair |
Yes. All models work independently once the battery is installed. You can ride and steer using the handle—no app required. The app adds optional control over movement direction but isn’t necessary for basic operation.
Yes. The 73.26Wh battery is below the 100Wh limit allowed by most airlines, and it’s removable for added compliance and safety.
It integrates with Apple’s Find My network. If your suitcase is misplaced, you can locate it using the Find My app, provided it’s within Bluetooth range of any Apple device.
Choosing polycarbonate over aluminum isn’t about cutting costs—it’s about optimizing for real-world performance. For an electric rideable suitcase like Airwheel’s SE3SX, the material delivers the right mix of strength, lightness, and comfort. If you want a smart luggage solution that’s tough, travel-ready, and actually fun to use, polycarbonate makes all the difference. Learn more about the full lineup at the official Airwheel website.