Brushless Angle Grinder Control Board 21V 60A ESC Driver

Upgrade or restore your brushless angle grinder with this precision-engineered 21V 60A Brushless Control Board. Designed as a direct replacement ESC (Electronic Speed Controller) driver board, it delivers smooth, efficient power management for brushless lithium-powered angle grinders — keeping your tools running at peak performance.

Built from durable plastic and metal components, this compact board measures approximately 6 × 5 cm (2.36 × 1.97 in), making it easy to fit into standard grinder housings. Whether you're a DIY enthusiast or a professional tradesperson, this control board is a cost-effective way to extend the life of your power tools without replacing the entire unit.

Key Features

• 21V / 60A Rating — handles the power demands of brushless lithium angle grinders with ease
• Brushless Motor Compatibility — engineered specifically for brushless motor drive systems for enhanced efficiency and longer motor life
• Compact Design — approx. 6 × 5 cm footprint fits neatly within standard grinder housings
• Durable Construction — plastic and metal build resists the rigors of workshop use
• Replacement Ready — ideal as a spare or upgrade control board for brushless angle grinders
• Overvoltage & Protection Circuitry — built-in safeguards help protect the board and connected components during operation

Specifications

• Voltage: 21V
• Current: 60A
• Material: Plastic & Metal
• Dimensions: Approx. 6 × 5 cm / 2.36 × 1.97 in
• Compatible With: Brushless lithium electric angle grinders

Installation Note

⚠️ To prevent damage to the control board, please follow all wiring and voltage requirements carefully before installation. Ensure the power source is disconnected before replacing the board. If you are unfamiliar with power tool electronics, consult a qualified technician.

For general power tool safety guidelines, refer to the U.S. Consumer Product Safety Commission – Power Tools Safety resource.

Frequently Asked Questions

Q: What type of angle grinder is this brushless control board compatible with?

A: This 21V 60A brushless control board is designed for brushless lithium electric angle grinders. It functions as a replacement ESC (Electronic Speed Controller) driver board for brushless motor systems operating at 21V.

Q: What are the dimensions and materials of the control board?

A: The control board measures approximately 6 × 5 cm (2.36 × 1.97 inches) and is constructed from durable plastic and metal components, making it compact and robust enough for workshop environments.

Q: Is this control board easy to install in my angle grinder?

A: Installation requires basic knowledge of power tool electronics. Always disconnect the power source before beginning. Follow all wiring and voltage guidelines carefully to avoid damage. If in doubt, we recommend consulting a qualified technician for safe installation.

Q: Why would I need to replace my angle grinder's control board?

A: Control boards can wear out or become damaged over time due to heat, voltage fluctuations, or general use. Replacing the control board is a cost-effective alternative to purchasing a new grinder entirely, restoring full functionality to your existing tool.