The 18V STANLEY® FATMAX® V20 Cordless Reciprocating Saw with 1 x 2.0Ah Lithium Ion Battery and Kit Box features 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. Complete with a tool-free blade change feature for quick and effortless blade changes. Part of the new 18V STANLEY® FATMAX® V20 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.