Brushless Wrench Drive Control Board for Dayi 2106/161/169
Brushless Wrench Drive Control Board for Dayi 2106/161/169
Brushless Electric Wrench Drive Control Board with Switch
Upgrade or repair your brushless electric wrench with this reliable 18V/21V Drive Control Board, purpose-built for Dayi 2106, 161, and 169 brushless electric wrenches. Compact, pre-tested, and ready to install, this sensorless brushless control board delivers 300W of stable power to keep your tools running at peak performance.
Key Features
- Wide Battery Compatibility: Works with battery packs labeled 48V, 68V, 88V, 98V, or 128V/TV — actual operating voltage is 18V (5S lithium configuration, fully charged at 21V, 10–15 cells).
- 300W Power Output: Efficient brushless sensorless motor control for consistent torque and smooth operation.
- Universal Fit: Designed as a general-purpose control board for Dayi 2106/161/169 brushless wrenches and compatible brushless angle grinder platforms.
- Compact Board Size: 5.2 × 6.2 cm — easy to fit into standard tool housings.
- Pre-Tested Quality: Every board is fully tested before shipment, ensuring reliable out-of-the-box performance.
- Includes Speed-Control Switch: Complete kit with control board and switch for a hassle-free replacement.
Specifications
| Compatible Models | Dayi 2106 / 161 / 169 Brushless Electric Wrench |
| Drive Voltage | 18V (5S lithium, fully charged 21V) |
| Power | 300W |
| Board Size | 5.2 × 6.2 cm |
| Motor Type | Brushless Sensorless |
| Country of Origin | Made in Mainland China |
Installation Notes
- Connect all wires before powering on.
- Secure the motor firmly in place before testing.
- Install the casing and tighten all screws.
- Verify the square shaft head rotates freely without jamming.
- Connect the power supply, then press the speed-control switch — ensure there are no gaps in the shell to avoid a buzzing alarm.
- Follow all wiring requirements carefully to prevent motherboard damage.
Package Contents
- 1 × Drive Control Board
- 1 × Speed-Control Switch
Related Products You May Like
- 10Pcs Wooden Handle Nylon Bristle Paint Brush – Hand Tool Set
- 1pc Precision Japanese Double-Edged Hand Saw – SK5 Steel
- 1pc Professional Heavy-Duty Pruning Shears with Anti-Slip Handle
Learn more: OSHA on eye and face protection
Frequently Asked Questions
Q: Which brushless wrench models is this control board compatible with?
A: This drive control board is specifically designed for Dayi 2106, 161, and 169 brushless electric wrenches. It is also compatible as a general sensorless brushless angle grinder control board for platforms using 18V (21V fully charged) 5-series lithium battery configurations.
Q: What battery pack voltage does this control board support?
A: The board supports battery packs labeled 48V, 68V, 88V, 98V, or 128V/TV — these all refer to an actual operating voltage of 18V (5S lithium configuration, 10 or 15 cells, fully charged to 21V). The board's drive voltage is 18V with a maximum power output of 300W.
Q: Is the control board pre-tested before shipping?
A: Yes. Each control board is fully tested and verified before it leaves the facility, so you can be confident in its functionality right out of the box.
Q: What is included in the package?
A: The package includes one drive control board (5.2 × 6.2 cm) and one speed-control switch — everything you need for a complete replacement or repair.
Production & Packaging Notice
To maintain high stock availability and fast shipping times, our items are sourced from multiple verified manufacturing facilities. While the core quality, materials, and product specifications remain identical, you may notice slight variations in the packaging design, manufacturing origin, or the wording of the printed instructions.