DEWALTs 20-Volt MAX Compact XR Lithium-Ion Battery Pack includes onboard fuel gauge technology, allowing users to quickly check charge levels on the job without interruptions. With optimized energy density and reduced weight, it improves tool balance while minimizing fatigue during extended use. This compact power solution fits seamlessly into the full line of DEWALT 20V MAX cordless tools, making it a versatile and reliable choice for professionals and DIYers alike.