Portable lithium electric fastener bolt mechanical wrench

Structure:

It consists of lithium battery, shell, motor and control system and mechanical assembly. 

Working Principle: 

High-speed DC motor is used as power, and impact energy storage body is used to tighten and loosen bolts quickly. 

Features:

Portability: Whole machine weight less than 20 kg 

Environmental Protection: Using Lithium Battery as Power Source 

Large Torque: Maximum Torque greater than 500 Nm