The Stanley FatMax® V20 18V Reciprocating Saw offers new and improved battery technology, with no memory effect and minimal self-discharge. The Reciprocating Saw features a powerful high-performance motor providing 3,000 SPM for aggressive applications, with variable speeds for maximum control across a variety of applications and materials, as well as a compact and light-weight design to help reduce user fatigue and provide better grip for accuracy on site. Complete with a tool-free blade change feature for quick and effortless blade changes. Part of the Stanley FatMax V20 18V Cordless System – power all your V20 tools with a common new and improved 18V lithium-ion battery for longer runtime and power to get the job done.