The DEWALT DCB206 20V MAX* 6.0Ah Lithium Ion Premium Battery is a premium 6.0Ah battery that provides 2X the capacity of standard Battery Pack (DCB200), and 3X the capacity of compact XR Battery Pack (DCB203). It features a 3-LED fuel gauge system that allows for immediate feedback on state of charge. This battery offers no memory and virtually no self-discharge for maximum productivity and less downtime. It is perfect for higher demand tools like demo hammers and grinders which need longer runtimes.