【Efficient Battery Compatibility】This Cordless Angle Grinder is compatible with 18V batteries, such as 48-11-1811, 48-11-1815, 48-11-1820,48-11-1822,48-11-1828,48-11-1840,48-11-1841,48-11-1850 etc. Note: Power Angle Grinder Only, battery is not included,Wheels are not included! 【Powerful Brushless Motor and High RPM】This Electric Angle Grinder Brushless Motor provides up to 8,000 RPM, longer life, more power, less battery energy loss, lower noise level of machine operation and safer working conditions. Say goodbye to traditional brush motors and experience a higher level of grinding performance 【User Friendly Design】 This 4-1/2 inch angle grinder tool is faster with a spindle lock that allows you to change the wheel disk. And the handle is adjustable to accommodate both left-handed and right-handed users. The protective cover of the side grinder will prevent sparks and metal shavings during use to protect you from injury 【Safety】The cordless angle grinder is equipped with a protective switch and a quick-adjust guard. Besides, this tool also has a soft start and power failure protection to prevent accidents and ensure user security. It will stop in 1.5 seconds after you release the power switch, more safer than other grinders. And the adjustable side handle makes operation more comfortable and adaptable to different needs 【Widely Applications】This battery operated angle grinder is multi-functional, suitable for metal cutting, surface treatment, wood polishing, and coating stripping. Whether for DIY projects or professional tasks, this battery powered angle grinder can handle it all. Perform smoothing and grinding on tiles, stone, concrete, bricks, and other materials, significantly improving work efficiency.And it's designed to fit different brand 4-1/2" wheels, ensuring broad usage and simplicity