AOBEN Cordless Angle Grinder 4-1/2 inch, 21V Battery Grinder Kit, Power Electric Cut Off Tool, Brushless Motor, 2×4.0Ah Battery & Charger, for Metal Cutting, Grinding, Polishing

【Brushless Motor】Electric angle grinder is equipped with a brushless motor. It has longer product life span, stronger power, faster heat dissipation and less energy consumption compared with traditional motor.
【3 Adjustable Speeds】AOBEN cordless angle grinder can offer 3 speeds through the speed control button on the panel – max 9500RPM, widely used for a variety of applications-such as grinding metal, descaling, metal/steel/tile cutting, sanding, rust removal, and surface preparation, etc.
【2 Battery Packs】Powered by the 21V 4.0Ah large-capacity li-ion battery, AOBEN cordless angle grinder has long run time to work continuously indoor or outdoor, get rid of the limitations of the power cord. Compact and handy design makes it feels good in your hand during operation. Please fully charge it before use. Please note that battery packs of other brands are not compatible.