DEWALT Powerstack™ 20V MAX* 5Ah Battery, 2 Pack DEWALT's most powerful batteries in its class, designed to enhance your tool performance with pouch cell technology. These batteries provide 50% more power and 50% more work per charge, along with twice the lifespan d to traditional batteries. They are fully compatible with all DEWALT® 20V MAX* tools and chargers, making them a versatile choice for your power needs. Built to withstand tough conditions, these batteries feature an impact-resistant, rubber overmolded base and include a convenient 3-LED Fuel Gauge to easily monitor the state of charge. Model Number: DCBP520-2