The DEWALT DCB609 20V/60V max* flexvolt Lithium 9.0Ah battery gives you the power of corded, with the freedom of cordless. This battery offers you 9.0 Ah capacity when used in a 20V max* tool. An LED state of charge display lets you see how much charge you have left to work with while completing your projects. This battery is compatible with all 20V max*, 60V max* and 120V max* tools - and also compatible with all 20V max* chargers. Backed by DEWALT'S 3 year limited warranty. Includes: (1) 9.0 battery.