DEWALT's 20-Volt MAX Lithium Ion Battery Pack (3.0 Ah) with Fuel Gauge is ideal for users who demand longer tool runtime without significantly increasing tool size. Its compatible with the full 20V MAX system, offering flexibility across drills, drivers, saws, and more. Whether on the jobsite or in the workshop, this battery strikes a balance between performance and portability, making it a practical upgrade for daily professional use.