... Advantages of brushless gear motor:1. Compare to the brush series motor's lifetime, the brushless gear motor's lifetime increases 3 ... life increased by 30%.3. 1000W brushless gear motor controller limit 90AMPs, to achieve low current, high-torque, thus ... small torque, so the motor heat, even burning motor, and direct impact on battery life.2. Brush series motor controller without limit, starting ...