In order to use the adapter, a 20V Max DeWalt charger is required. It also warns against using premium DeWalt batteries in DC970 or DC759 tools with the adapter. Additionally, it mentions that the adapter will not work with 20V and 60V FLEXVOLT Batteries. The maximum initial battery voltage is 20 volts, as measured without a workload.
WARNING: Proposition 65 Warning for California Residents View Details
