Matt LaoDi Dongli-Lithium Battery Torque Wrench is an electric wrench powered by a rechargeable lithium battery. With its wireless and portable features, it is widely used in work scenarios without air sources or with strong mobility. It is easy to operate and has flexible battery life. It is equipped with a detachable high-quality lithium battery and supports multi-battery rotation operation. The torque range is 2-70NM, and the speed is 150-900r.p.m.