1、Lightweight and Efficient: The lithium brushless grinder is battery powered, lighter and easier to carry and use. With high performance lithium battery, it has the ability to work for a long time. Excellent motor, very efficient. 2、Applicable Battery: This lithium battery electric grinder is applicable for BL1830B BL1840B BL1850B BL1860B BL1815 BL1820 BL1825, for 194309 1, 194205 3, 194204 5 and for LXT400 18V lithium battery. 3、Multifunctional: The lithium brushless polisher can be used with different kinds of grinding wheels and blades for grinding, sanding, deburring and many other operations. 4、Low Noise Operating: Lithium battery brushless grinder adopts electric motor as the main power source, which is quieter compared with traditional gas straight grinder. It can effectively reduce the noise pollution of operators. 5、Comfortable to Use: The lithium brushless sander is equipped with humanized design of handle and grip, which is more comfortable and convenient to use. Longer electric motor and battery life.