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Electric motorcycle conversion kits
QS-212 (1200W-2400W) e-bike motor

QS-212 (1200W-2400W) e-bike motor

QS-212 (1200W-2400W) e-bike motor
Product codeQS-212/R-135 1-2.4kW/kV9.37
In stock # Delivery
1-2 days
Supply voltage

Using batteries of different voltages will change the maximum speed of the motor, but the torque will remain the same. To calculate the maximum speed at different battery voltages, it is important to use the kv (RPM / Volt) constant. It is important to note that if the voltage of the motor itself is 72V a battery with a lower voltage than 48V can be used for the application.

QS-212 (1200W) motoro kv=9.37

Thus (indication of the characteristics of the motor at different battery voltages based on the formula is shown below):

RPM = kv * Voltage = 9.37 RPM/V * 48V = 450 RPM

48V - 450 RPM 109 Nm

60V - 562 RPM 109 Nm

72V - 675 RPM 109 Nm

 
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