600W Brushless Motor Driver Board 15-22V 4-Speed Angle Grinder
600W Hall-less Brushless Motor Driver Board — 15–22V, 4-Speed Adjustable
Upgrade or repair your angle grinder with this high-performance 600W Brushless Motor Driver Board. Engineered for high-speed, high-power inner rotor brushless (hall-less) DC motors, this compact controller board delivers reliable, consistent performance across a wide voltage range of 15V to 22V — making it ideal for 18V and 20V cordless tool platforms. With four selectable speed gears and a simple 2-wire switch connection for direct startup, it's a practical, professional-grade solution for DIYers and technicians alike.
Key Features
- Wide Voltage Compatibility: Operates across 15V–22V; rated for 18V and 20V systems
- High Power Output: Up to approximately 600W maximum power
- 4-Speed Adjustable: Four selectable speed gears for precise control
- Hall-less Design: Works with sensorless (hall-less) brushless inner rotor motors — no hall sensors required
- Simple Control Interface: 2-wire connection to switch for straightforward direct startup
- Built-in Protection: Overload protection circuit helps safeguard your motor and board
- Lightweight & Compact: Weighs approximately 60g for easy integration into tool housings
- Made in China
Specifications
| Working Voltage | 15V – 22V |
| Rated Applicable Voltage | 18V / 20V |
| Maximum Power | Approx. 600W |
| Speed Gears | 4-speed adjustable |
| Control Mode | 2-wire switch connection for direct startup |
| Motor Type | High-speed high-power inner rotor brushless (hall-less) |
| Weight | Approx. 60g |
Compatibility Notice
⚠️ This controller is designed for high-speed, high-power inner rotor brushless motors. Low-speed or low-power motors may fail to start and trigger the board's built-in protection mode. Always verify compatibility with your specific motor before installation.
What's in the Box
- 1× Brushless Motor Driver Board (600W, Hall-less)
Notes
- Colors may vary slightly from photos due to monitor and lighting differences.
- Please allow 1mm–1cm measurement tolerance due to manual measurement methods.
- Battery and wireless components are not included.
For guidance on safe practices when working with power tool electronics and motor control boards, refer to the OSHA Electrical Safety Guidelines.
Frequently Asked Questions
Q: What type of motor is compatible with this 600W brushless motor driver board?
A: This driver board is specifically designed for high-speed, high-power inner rotor brushless (hall-less) motors, such as those used in angle grinders. Low-speed or low-power brushless motors may not start correctly and could trigger the board's protection circuit. Always test compatibility with your specific motor before full installation.
Q: What voltage range does this brushless motor controller support?
A: The board operates across a working voltage range of 15V to 22V, with an optimal rated voltage of 18V or 20V — making it a great fit for most standard cordless power tool battery platforms.
Q: How do I connect this motor driver board to my angle grinder?
A: The board uses a simple 2-wire control interface that connects directly to your tool's switch for direct startup. No complex wiring harness or hall sensor connections are required, making installation straightforward for experienced DIYers and technicians.
Q: Can I adjust the speed with this controller board?
A: Yes! This driver board features 4-speed adjustable gears, allowing you to select the appropriate speed setting for your application — from lighter tasks to full-power cutting or grinding operations.