Introducing THE NEXT DIMENSION IN POWER with the 20V MAX DEWALT POWERSTACK Compact Battery. Get 50% more power with a 25% smaller footprint with this battery that works with the 20V MAX tools you already own. This battery provides twice the lifetime of standard cylindrical battery cells and features an impact-resistant, overmolded base with non-marring material. Enjoy our lightest and most powerful battery, as the rubber overmolded base and 2x life combine to form a reliable lithium-ion solution.