Power your 20V MAX* tools with the 20V MAX* DEWALT® POWERSTACK™ 5Ah Battery, our most powerful battery in its class*. Utilizing revolutionary pouch cell technology this battery delivers 50% more power†, 50% more work per charge†, and 2X the lifespan†. Compatible with all DEWALT® 20V MAX* tools and chargers, the DEWALT® POWERSTACK™ 5Ah Battery features an impact-resistant, rubber overmolded base and a 3-LED Fuel Gauge state of charge indicator. (NOTE: This YY version is due to packaging changes)