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