Absolutely. The riding and pulling functions are completely independent of the app. Just install the battery, and you can ride it immediately. The smartphone app adds remote forward/backward control and location features, but it is never required to make the suitcase move.
Yes, the 73.26 Wh battery is removable and complies with airline lithium battery rules. You will need to detach it and carry it with you in the cabin if the suitcase is checked. The process takes a few seconds and does not require tools.
The SE3S covers 8–10 km on a single charge, depending on rider weight and terrain. Recharging from empty to full takes about 2 hours, so you can top it up during a layover or overnight.
If you are curious which Airwheel model fits your family’s travel rhythm, take a look at the official Airwheel website for full specs and real-world video demos.