FLEXVOLT 20V/60V MAX Lithium-Ion 9.0Ah Battery Pack (2 Pack)

The DEWALT DCB609 FLEXVOLT Battery Pack changes voltage when you change tools. It powers a new line of 60-Volt MAX Brushless tools and 120-Volt MAX Brushless tools. This pack is also backwards compatible with DEWALT 20-Volt MAX tools and chargers. Enjoy the convenience of powering multiple power tools with just one Lithium Ion battery pack. With FLEXVOLT power and longer runtimes . you won't have to keep climbing down the ladder to change batteries.