The DEWALT DCB2108 20V MAX XR Powerpack is a high-capacity 8.0 Ah lithium-ion battery designed for power tools. With a 20V voltage, it provides long-lasting power for various applications. The battery is part of the DEWALT Max XR lineup, ensuring reliable performance and compatibility with DEWALT power tools. The yellow-colored battery measures 5 inches in height, 5.87 inches in length, and weighs 4 pounds, making it a durable and portable power source for your tools.