20V and 60V Max 9.0 Ah Lithium-Ion Flexvolt Battery 2 Piece Pack

Get power for your most demanding jobs with the FLEXVOLT 20V/60V MAX Battery. Compatible with 20V MAX, 60V MAX, and 120V MAX tools, these batteries feature patented technology that automatically switches voltage when you change your tools. Engineered to run cooler than the leading competitor battery, this battery provides up to 6X the runtime when used in 20V MAX tools.