isinwheel s9 max controller Precise Motor Control: Regulates power delivery from the battery to the motor for smooth acceleration and stable riding performance Improved Throttle Response: Ensures responsive and consistent speed control during riding Multi-Function Integration: Controls throttle, braking system, lights, and display communication Compatibility Options: Available in different versions (with/without turn signals, app compatibility) to match specific S9 Max models Enhanced Safety Protection: Built-in safeguards against overcurrent, overheating, and voltage fluctuations Plug-and-Play Design: Designed for direct replacement with existing wiring connections (installation may still require basic technical knowledge) Package Controller Only 1 x Controller Only Compatible with models iSinwheel S9 Max or iscooter E9 Max or similar models