The Cordless Angle Grinders has a higher power motor that provides efficient, high-performance power at 1000W motor produces no-load speed of 20000 RPM to increase up to torque for tough grinding & cutting jobs in a more compact size. Brushless motor due to the all-copper and premium magnet, the operation becomes more stable and smoother.Suitable for many professionals and DIY users. With the function of OVERLOAD and POWER-OFF protection, the risk of using the angle grinder can be minimized. Meanwhile, made of premium materials ensures a long service life. The electric angle grinders tool is light in weight Grip perfectly. Portable and lightweight with small non-slip handle, comfortable to grip and use. The Brushless motor for metal rust cleaning, metal cutting, metal grinding, tile cutting, tile grinding, wood grinding and wood cutting and ect. Spindle lock for quicker and easier discs & accessories changing, trigger lock-on for comfortable & continuous operation. Application battery for Makita 18V battery BL1830B BL1830 BL1840B BL1840 BL1850B BL1850 BL1860 BL1860B. If item is defective after 3 months, you can still send it back to us.