Waydoo Battery Activating Magnetic Key with Wrist Strap

The Waydoo Battery Activating Magnetic Key with Wrist Strap is a replacement magnetic fob used to power on and off the smart battery on Waydoo eFoil boards. Waydoo's eFoil batteries use a contactless magnetic switch rather than a traditional physical button, and this small teardrop-shaped magnet is the tool that triggers it. The included adjustable wrist strap attaches to the magnet so riders can secure it to their wrist during sessions, reducing the chance of dropping or losing the key in the water.

The magnetic key is a standard component shipped with every Waydoo eFoil package. This standalone listing is intended as a spare or replacement for riders who have lost or damaged their original fob.

• Weight: 45 g
• Strap type: Adjustable wrist strap
• Activation method: Magnetic contactless switch

This accessory is relevant to any current Waydoo eFoil owner. The magnetic key is required to activate and deactivate the board's smart battery — without it, the battery cannot be powered on for riding or powered down for storage. Riders who frequently travel with their eFoil setup, share boards among multiple riders in a rental or school environment, or simply want a backup key on hand will find a spare useful. Because the fob is small and used around water, losing one is a realistic scenario, making a replacement worth keeping in a gear bag.

The key works through a specific gesture sequence: a brief hold of the magnet against the battery's power indicator followed by a sustained hold until the battery confirms activation through LED indicators and an audible tone. The same sequence powers the battery down. The magnet is also used during Bluetooth pairing between the battery and the handheld remote controller, and can be needed during firmware update procedures.

Within Waydoo's accessory catalog, the magnetic key sits alongside other replacement components like chargers, propellers, and remote controllers. It is one of the lower-cost items in the Waydoo parts lineup at $30. The magnetic activation system has been a consistent design element across multiple Waydoo generations, appearing on the Flyer One Plus, updated V1 boards, and the current Flyer EVO series — which includes the EVO Lite, EVO Max Plus, EVO Pro Plus, and EVO Master Plus. Riders shopping for this part should confirm compatibility with their specific board and battery generation, though the activation mechanism has remained largely unchanged across Waydoo's product line. There is no direct equivalent from other eFoil brands, as competing manufacturers like Lift and Fliteboard use different battery activation systems specific to their own platforms.