DEWALT's 20-Volt MAX 5.0Ah XR® Battery (DCB205) is included free with the purchase of DEWALT's DCE555 20V MAX Drywall Cut-Out Tool. Built on XR® lithium-ion technology, this high-capacity battery delivers extended runtime and consistent power output for demanding drywall, framing, and general jobsite applications. Its efficient energy transfer helps maintain tool performance under load, while the integrated fuel gauge provides quick visibility of remaining charge. Compact and lightweight, it supports improved tool balance and reduced user fatigue, making it well suited for both professional contractors and serious DIY users who rely on cordless efficiency throughout the workday.