With improved battery technology, 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 it will last longer too. Universal Tool-Free accessory system makes adjusting and changing attachments quick and easy. Variable speed for maximum control across a variety of applications and materials Clean and efficient plunge cuts, trimming of excess materials, detail sanding in tight areas, removing grout, scraping old paint or adhesive and all manner of other jobs Integral LED worklight for improved visibility in all working conditions. One 18V STANLEY® FATMAX® V20 Cordless System 4.0Ah battery, a 2A charger, and kit box included. Part of the new 18V STANLEY® FATMAX® V20 Cordless System - power all your V20 tools with a common new & improved 18V lithium ion battery to let you power through work with ease.