72V 3000W E- Bicycle Brushless Motor Speed Controller for E-bike and Scooter SZt. Note: Battery under-voltage Protection:31V, 42V, 53V, 56V, 63V, optional. Functions: - Mute when start - Power cut brake - Blockage protection - Current limit protection - Short circuit protection - Avoid out of control - 1:1 pedal assist function - Undervoltage protection - The Super mute function: Optimizing the design of motor and the control strategy, make the motor run with low noise, low oscillation and high output torque. Unique thermolysis function: With the advanced aluminium base heat technology to improve the effect of heat dissipation and the load flow of power component. Parameter: - Suitable for Electric for electric bike & scooter - Rated Voltage: DC 72 Volts - Rated power: 3000 Watts - Maximum Current: 72A - Under-voltage Protection: 56V - Fixed hole diameter:8mm - Install: 265x90mm - Dimension: 300x145x60mm - Weight: appr.3kg Package List: - 1 x 72V 3000W Electric Bicycle Brushless Motor Speed Controller. Usually it cost about 35USD-50USD. The item "72V 3000W E- Bicycle Brushless Motor Speed Controller for E-bike and Scooter SZt" is in sale since Wednesday, January 9, 2019. This item is in the category "Sporting Goods\Cycling\Bike Components & Parts\Electric Bike Components". The seller is "topskyrc" and is located in Shenzhen. This item can be shipped worldwide.