Introducing THE NEXT DIMENSION IN POWER™ with the 18V XR POWERSTACK™ Compact Battery. Get 50% more power** enabling faster application speeds and increased productivity with a 25% smaller** footprint using this battery that works with all the 18V XR tools you already have. This battery provides twice the lifetime** and features an impact-resistant, overmolded base with non-marring material. ** Regarding 50% more power: vs. DCB183 battery, not in application. Regarding 25% smaller pack and more compact: footprint vs. DCB183 battery. Regarding our lightest and most powerful: vs. DEWALT 18V XR batteries 2Ah or lower. Regarding 2x lifetime: charge cycles vs DCB183 battery.