FM+ Battery Adaptor

Ready to ship in 7–10 days or pick up your order from Stonker Boardsports when ready. FM+ BATTERY ADAPTOR The FM+ Battery Adaptor is required when using the FM+ Battery Range with Fusion units. The adaptor extends the length of the smaller batteries to fit securely in the longer Fusion unit, letting both the FM+ 650 and FM+ 430 click straight into the system. Fusion customers who purchased their system prior to the release of the FM+ Batteries (September 2026) will need to purchase an adaptor with their FM+ 650 Battery. Fusion systems sold after this date have the adaptor supplied in the kit. Details Creates a toolless, secure extension between the shorter FM+ battery range and the Fusion unit Integrated Quick Lock Tabs make fitting and removing the adaptor fast and intuitive, while maintaining a solid, unified connection between the battery and Fusion base Gives Fusion riders more flexibility in how they configure their setup — from maximum runtime with the Fusion 860 to a lighter, nimbler feel with the FM+ battery range — without changing the core system Tech Specs Product Weight: 100g No install hardware required — Quick Lock connection What's Included FM+ Battery Adaptor Compatible With FM+ Batteries — only required when using them with Fusion. Not required with the Assist MAX+.