48V 1800W Brushless DC Motor Kit, 4500 RPM Controller

48V 1800W brushless DC motor kit delivers high-torque power with efficient speed control for DIY electric go-karts, e-bikes, scooters, and mini motorcycles. The upgraded controller supports smooth acceleration, braking, and reverse, helping you tune performance for commuting, off-road builds, or workshop projects. Built with a pure copper core and dual-direction rotation, it’s designed for stable operation, lower noise, and confident handling on varied terrain.

• Delivers 1800W output with ≥85% conversion efficiency for strong drive and reduced energy waste


• Includes upgraded controller with overload, undervoltage, and short-circuit protection for safer riding


• Enables CW/CCW dual-direction control to switch forward/reverse for tight maneuvering


• Runs quieter at 70 dB and uses a copper core for stable performance in hot or cold conditions


• Simplifies DIY installs with wiring diagram, charger, controller, hardware set, and manual

Build or upgrade your electric vehicle with a compact, high-speed 48V brushless setup that’s easy to integrate and flexible to tune. The controller provides speed control, slow start, braking, and reverse to help reduce jerkiness and improve ride feel. Suitable for gear setups such as 9T/11T to 64T and loads up to 150 kg, this kit is ready for custom projects where space, torque, and controllability matter. Grab yours today and get your drivetrain plan moving.

• Voltage: 48V


• Rated power: 1800W


• Rated speed: 4500 RPM


• No-load speed: 5600 RPM


• Rated torque: 4 N·m


• Rotation: CW/CCW (dual direction)


• Noise level: 70 dB


• Load capacity: ≤ 150 kg / 330.7 lb


• Applicable gear ratio: 9T/11T : 64T


• Motor size: 134 × 107 × 112 mm (5.3 × 4.2 × 4.4 in)


• Weight: 5.3 kg / 11.7 lb


• In the box: motor, controller, charger, assembly hardware set, user manual