Airplane Regulations

Name: Boost Fin: Electric Motorized Fin for any Board
Telephone: null

In the current version of the fin, the battery is not removable, but shouldn't cause any issues with the airplane regulations. You can have in the carry-on with you as it fits the limits of 100wh - Boost Fin Specs.

Lithium batteries with more than 100 watt-hours may be allowed in carry-on bags with airline approval. One spare battery, not exceeding 300 watt-hours, or two spare batteries, not exceeding 160 watt-hours each, are permitted in carry-on bags.