Mduoduo Power Tool Angle Grinder Switch Brushless Electric Wrench Drive Control Board

Features: - brand new and high quality - Made of high quality material durable - This product is suitable for 60A brushless electric wrench - Brushless angle grinder drive plate polishing machine total control panel size 5.2*6.2CM - Universal for brushless and non-inductive angle grinder drive control board. - Control board drive voltage: 18V (5 strings of lithium batteries fully charged 21V) power 300W. - You can use battery packs marked 48V 68V 88V 98V 128VF or TV which are actually 18V. - Before the test machine you must connect the wires---fix the motor---install the casing---tighten the screws---make sure the square shaft of the machine head can rotate easily without getting stuck---connect the power---press the speed control Switch so there are no gaps in the case! Otherwise there may be a beeping alarm! - To prevent damage to the motherboard please operate as required. Specification: - Name: electric wrench motherboard - Power supply voltage: 20V - Models: 4 wires-no speed adjustment 7 wires-no speed adjustment 4 wires-adjustable speed 7 wires-speed adjustment (optional) - Angle grinder model: other - Weight: 20g - Power cord length: 10cm - Rated voltage range: single-phase electricity 220V Package includes: 1* Electric wrench motherboard (optional) Notes: 1. Due to various factors such as display brightness and light brightness the actual color of the product may be slightly different from the website picture. 2. Please allow a slight deviation between the data and the manual measurement.