Brushless Electric Control Switches Drive Plate Spare Parts General For Dayi Control Panel In Pins Description: The product fits Dayi 2106/161/169 brushless electric wrenches. Brushless, sensorless angle grinder drive control board. Drive voltage of the control board: 18 V (5 strings of lithium batteries, fully charged 21 V), power 300 W. The battery marked 48V, 68V, 88V, 98V, 128VF or TV can be used, and its voltage is actually 18V (5 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, mount the housing, tighten the screw, make sure that the square head roller can be easily rotated without jamming, connect the power supply. Press the speed control switch so that there is no gap in the shell! To prevent damage to the motherboard, follow the requirements. Specifications: Type: Brushless Motor Parts Electric Wrench Engine /control board/switch Drive voltage of control board: 18 V (21 V) 300 W Suitable for: brushless electric wrench 2106/161/169 Size Chart: 63x52,3mm/2,48x2,06 inch 63x52,3mm/2,48x2,06 inch 60x26mm/2.36x1.02 inch The package includes: Optional