Powerful 755 Brushed Motor: Designed specifically for 21V lawn mowers and trimmers, delivering 16.8W of power and a no-load speed of 11000 RPM for efficient grass cutting and trimming. Copper Coil for Strong Performance: Equipped with high-quality copper coils that provide stronger torque and higher rotational speed, ensuring excellent cutting power. Dual Bearings for Stability: The motor features dual bearings, ensuring high torque output, smooth operation, and reliable performance during extended use. Built-in Heat Dissipation Fan: Comes with a built-in fan for effective heat dissipation, allowing the motor to withstand high temperatures and prolonging its lifespan. Durable for 21V Lithium Lawn Mowers: Perfect for 21V lithium-powered mowers and trimmers, offering long-lasting durability and high-speed performance for demanding lawn care tasks., Manufacturer: YINETTECH