Brushless Electric Control Switches Drive Plate Spare Parts General For Dayi Control Panel Description: The product fits Dayi 2106/161/169 brushless electric wrenches. Brushless, sensorless angle grinder drive control board. Control board drive voltage: 18V (5 strings of lithium batteries, fully charged 21V), power 300W. The battery marked 48V, 68V, 88V, 98V, 128 VF or TV can be used, and its voltage is actually 18V (5 series of 2 parallel 10 cells or 5 series of 3 parallel 15 lithium batteries, fully charged 21 V). Before testing the machine, first connect the wire, fix the motor, assemble the casing, tighten the screw, make sure the square shaft of the head can be rotated easily without jamming, connect the power supply. Press the speed control switch so that there is no gap in the shell! Follow the steps to prevent damage to the motherboard. Specification : Type: Electric Wrench Brushless Motor Parts motor/control board/switch Control board drive voltage: 18V (21V) 300W Suitable for: brushless electric wrench 2106/161/169 Size chart: 63x52.3mm/2.48x2.06in 63x52.3mm/2.48x2.06in 60x26mm/2.36x1.02inch The package includes: Optional