If the spin bike is placed for too long and the battery is dead due to shipping or stock, just run the SunUp generators for 15 seconds then the console will be turned up.

To avoid battery overloaded. No overcharge, overvoltage or overcurrent.

Expand the using rang of speed of the generator.

The signals of RPM, Wattage and battery capacity are transferred directly  from the generator and power controller itself.

All the above information can be transferred directly from the built-in Bluetooth module to APP.