18V to 20V Adapter

Product Overview

Add versatility to your toolbox with the DEWALT® 18V to 20V Adapter that allows for the use of 20V MAX* batteries in most 18V DEWALT® tools.

Additional Features

  • 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.


  • (1) 18V - 20V MAX* Adapter


Number of Pieces



  • 3 Year Limited Warranty

We’re confident of the quality of our products and we’ll repair, without charge, any defects due to faulty materials or workmanship within the specified warranty.

Learn More


We take extensive measures to ensure all our products are made to the very highest standards and meet all relevant industry regulations.

Support Manual


  • * Maximum initial battery voltage (measured without a workload) is 20 volts. Nominal voltage is 18.