huayou 1Pc Control Board+1Pc Switch 18V 21V For Dayi 2106 Brushless Electric Wrench Motherboard Accessories Speed Switch Brushless Control Board

Features: The product is suitable for Dayi 2106 brushless electric wrenches. It has been tested before selling OK. 18V21V Brushless Angle Grinder Drive Plate Polishing Machine Dayi. General Control Panel Size 5.23x6.3CM. Brushless sensorless angle grinder drive control board general. Control board drive voltage: 18V5 strings of lithium batteries, fully charged 21V), power 300W. The battery pack marked with 48V, 68V, 88V, 98V, 128VF or TV can be used, and its voltage is actually 18V5 series 2 parallel 10 cells or 5 series 3 parallel 15 lithium batteries, fully charged 21V. Before testing the machine, you must first connect the wire-fix the motor-install the case-tighten the screw-make sure that the square shaft of the head can be easily rotated without jamming-connect the power supply-Press down the speed control switch so that there is no gap in the Otherwise, there may be a buzzing alarm. To prevent damage to the motherboard, please follow the requirements. Package Contents: 1xControl