DEWALT Battery Adapter 18V to 20V, For Drills, Sanders and More,

Allows for use of 20V MAX* Lithium Ion batteries in most 18V DEWALT tools Requires use of 20V MAX* DEWALT charger Do not use with premium DEWALT batteries in DC970 or DC759 tools This Adapter will not work with 20V/60V FLEXVOLT Batteries The DCA1820 adapter is compatible with the following batteries only: 1.5 Ah, 2.0 Ah, 3.0 Ah, 4.0 Ah, and 5.0 Ah XR