DEWALT DCB205 20V MAX XR 5.0Ah Lithium Ion Battery is a Premium XR Lithium Ion pack that provides up to 60% more capacity than standard 20V MAX battery pack (DCB200). This unit is a 5.0Ah high capactiy battery pack that has no memory and virtually no self-discharge for maximum productivity and less downtime. It offers a 3-LED fuel gauge system that allows immediate feedback on state of charge. It has a lightweight and compact design that weighs only 1.4 lbs, allowing user maximum run-time in a lightweight battery. This battery is compatible with the entire line of DEWALT 20V MAX Tools.