The 20V MAX* XR POWERSTACK 3.5Ah battery delivers 50% more power** and a longer lifespan**. Engineered with pouch cell technology, our best performing 20V MAX* 3.5Ah battery powers through tough jobs, day in and day out. XR POWERSTACK batteries are a part of our best performing line of 20V MAX* batteries and are compatible with 20V MAX* tools. | DEWALT 20V Max 3.5Ah XR Powerstack Battery DCBP320