The DEWALT DCB206-2 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 is perfect for higher demand tools like demo hammers and grinders which need longer runtimes. Backed by DeWALT'S 3 year limited warranty. Includes: 2) DCB206 20V Max 6.0Ah Batteries.