Cordless Drill Speed Controller Board 18-21V 600W Variable Speed, Angle Grinder Control Board(1pc)

Motherboard for electric drill controller Key benefits and why you need it - Reliable speed and power control for electric drills with a compact controller board designed to handle up to 600 W output. - Compatible with 18-21V systems, making it suitable for many corded and battery-powered drills that use a separate controller board. - Durable construction using plastic and metal components for stable performance in workshop and repair applications. Main specifications - Color: as pictured. - Voltage: 18-21V. - Maximum output power: 600 W. - Material: plastic and metal. - Size: as shown in the product image. - Package contents: 1 x electric drill controller motherboard. What makes this controller stand out - High output capacity: Supports motors up to 600 W for strong drilling performance. - Clear installation requirements and step checklist to reduce risk of damage and ensure reliable operation. - Compact form factor and standard wiring layout suitable for replacements and upgrades. Installation and testing checklist (follow exactly to avoid damage) 1. Connect the cable first. 2. Securely attach the motor. 3. Install the housing and tighten the fixing screw. 4. Verify the head square shaft rotates freely without jamming. 5. Connect the power supply. 6. Press the speed control switch fully down so there is no gap in the housing; a gap can cause an audible buzzing alarm. Follow these steps before testing the machine to protect the motherboard and ensure correct operation. Compatibility and variations - Cable color, base plate color, or other minor visual details may differ from the product image; functional performance is unchanged. - Actual item color can vary slightly due to monitor brightness and lighting during photography. Recommended use scenarios - Repair or replace the controller motherboard in a portable electric drill where the original control board is damaged. - Upgrade a DIY drill project to provide stable speed control for wood, metal, or masonry drilling tasks. - Use in a small workshop setup as a replacement module for testing and bench repairs of drill motors operating within 18-21V and up to 600 W. Important note - To avoid motherboard damage, strictly follow the installation and testing checklist provided above.