DeWalt DW-DCB606-2

DeWalt 20V/60V MAX FLEXVOLT 6.0Ah Batteries (2 Pack) DCB606-2The DCB606 FLEXVOLT 20V/60V MAX 6.0Ah (with DCB606 FLEXVOLT battery when used with DEWALT 20V MAX tools compared to DCB201 1.5 Ah battery pack.) battery pack changes voltage when you change tool