The FLEXVOLT™ battery is backwards compatible with our 20V MAX* tools so you get up to 4x the runtime. And because the FLEXVOLT™ battery is the only battery that automatically changes voltages when you change tools, you can slide the battery into a whole new lineup of 60V MAX* and 120V MAX* tools from DEWALT.

The FLEXVOLT™ battery’s ability to automatically change between two voltages gives users a serious advantage when it comes to efficiency. It’s the battery that not only powers, but improves the runtime** of our DEWALT 20V MAX* tools, so you don’t have to invest in a whole new system. It’s the battery that brings the power of corded to a new lineup of 60V MAX* and 120V MAX* DEWALT tools so you can finally work on a fully cordless jobsite. This revolutionary battery will change the way things get done.