The 18V STANLEY FATMAX V20 Brushless Oscillating Multi-Tool features new and improved battery technology, with no memory effect and minimal self-discharge. The V20 Lithium-ion battery pack is ready to go to work whenever you are and wherever the job takes you and features brushless motor technology for improved power efficiency and longer runtime. With variable speeds for maximum control across a variety of applications and materials, you can achieve clean and efficient plunge cuts, easy trimming of excess materials, detailed sanding in tight areas and even scraping old paint or adhesive. Featuring a tool free accessory system for adjusting and changing attachments quickly and easily and an integral LED work light for improved visibility in all working conditions. Part of the 18V STANLEY FATMAX V20 Cordless System – power all your V20 tools with a common new and improved 18V lithium ion battery to let you power through work with ease.