The DEWALT 20V MAX XR POWER-Pack Lithium-Ion 8.0Ah Battery (DCB2108) is a high-quality power tool accessory designed for use in various tools and equipment. This rechargeable battery, with a capacity of 8 Ah and a voltage of 20V, provides reliable power for extended periods of time. The lithium-ion technology ensures efficient performance, while the compact dimensions of 3.375 x 5.875 x 5 inches make it easy to handle and transport. Without a charger included, this battery is a convenient and essential addition to any workshop or tool collection.