18- -Volt 5.0Ah LXT Lithium-Ion Brushless Cordless 4-1/2 in. /5 in. Paddle Switch Cut-Off/Angle Grinder Kit delivers corded grinding performance without the cord with the 18-Volt LXT Lithium-Ion Brushless 4-1/2 in./5 in. Cut-Off/Angle Grinder with Paddle Switch Kit (model XAG11T). It's powered by a brushless motor for longer run time, increased power and speed and longer tool life. For the most demanding applications, 's exclusive Automatic Speed Change Technology automatically adjusts speed and torque during operation for optimal performance. For added convenience, the XAG11T has an electric brake that stops the wheel in 2-seconds or less upon release of the paddle switch. The 18-Volt LXT 5.0Ah battery charges in only 45-minutes for less downtime and increased productivity. The XAG11T is ideal for grinding, cutting and sanding a wide range of materials including tile, concrete, pipe, conduit and more. For improved tool performance and extended battery life, created Star Protection Computer Controls. Star Protection is communication technology that allows the Star Protection-equipped tool and battery to exchange data in real time and monitor conditions during use to protect against overloading, over-discharging and overheating. For increased versatility, the tool can also be powered by 18-Volt LXT and Compact Lithium-Ion batteries with the Star Symbol on the battery indicating Star Protection inside.