The DEWALT DC9180 18V XRP Lithium Ion Battery is compatible with all DEWALT 18V Tools. It offers a smaller, lighter design at only 1.1 lbs, and features DEWALT's exclusive technology for long life and durability, even in the harshest, most-power-draining applications. It possesses no memory and virtually no self-discharge, which translates to more power, maximum productivity, and less downtime. The DC9182 is a perfect-fit power source for the entire DEWALT line of 18-volt tools, so you can run multiple tools off of the same battery pack.