Single voltage Electric Bicycle E-bike Scooter Brushless DC Motor Speed Controller Soft Low-Voltage When the battery voltage become lower, the current will also become lower to keep normal running. It not only protect the battery and extend the battery life, but also increase the running distance. Advantage Automatically recognize the motor phase angle and motor right spin direction. It can be conducted by the Self-Study wires. Compatible Model The battery type can be Lithium battery, Lead Acid battery. It can be suitable to three - wire throttle brushless DC Hub Motor under 1500W Note This controller only supports three - wire brushless motors and three - wire throttle, not six - wire throttle. Regenerative braking is not supported. This controller does not support professional and complex LCD equipment expansion. Read more