The dual power module can manage two sets of battery components on the bicycle, the hardware architecture adopts MCU+MOS mode, the module adopts low power consumption design, real-time battery voltage monitoring function, online battery detection function. The module is designed with low power consumption, real-time battery voltage monitoring and online battery detection. The module can automatically adjust the current output of each battery group according to the voltage of the two groups of batteries, so that the two groups of batteries can be discharged simultaneously and evenly. Real-time monitoring:Battery online detection function, if only one group of batteries is connected to this module, then this module automatically switches to that group of batteries battery and output power. Dynamic adjustment:During discharge, if the voltages of the two batteries are not the same, then the higher voltage battery be used first until the two sets of batteries have the same voltage. Balanced output:When the two batteries are of the same voltage, the two batteries are discharged simultaneously and the total output current Iout=Ia+Ib 20A Dual Battery Parallel Module Colour:Black Material:aluminum Package Contents: 1 x ebike Dual Battery Balanced module Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.