Amazon.com: AMICROSS Battery Adapter Replacement for Dewalt 18V to 20V Converter DCA1820, Convert Your Old 18V XRP Tools to Run on The Latest Dewalt 20 Volt and Milwaukee M18 Lithium Batteries 2-Pack :
DEWALT 18V–20V MAX Battery Adapter Kit — With (2) 20V MAX Batteries & Charger, Model# DCA2203C | Northern Tool
Milwaukee vs DeWalt – Which Tool Brand is Better in 2023
24v Dewalt to 18v Milwaukee battery adapter. Episode 3 - Useful 3d Prints - YouTube