From light construction to demolition, the 20V MAX* XR Brushless Cordless Reciprocating Saw delivers the cutting power and maneuverability needed by pros like you for challenging projects. This versatile Reciprocating Saw's brushless motor packs the muscle for a wide range of applications. Make quick cuts with its 1-1/8 in. stroke length and its lightweight build. Change blades easily and maintain high productivity with a variable speed trigger that offers optimized control as you work. This kit includes our most powerful battery in its class , the 20V MAX* DEWALT POWERSTACK 5.0 Ah battery utilizing revolutionary pouch cell technology to deliver 50% more power , 50% more work per charge , and 2X the lifespan**. The DEWALT DCBP520 is compatible with all 20V MAX* tools and chargers.