Adapter For Lidl Parkside X20V to Dewalt Replace for Dewalt 18V XRP NI-CD Battery (Not include tools and battery) - AliExpress
Makita Battery Adapter to DeWalt – Power Tools Adapters
Amazon.com: Adapter for DeWalt to Milwaukee Battery, Aikeec Battery Adapter for DeWalt 18 20V Lithium Battery Convert to for Milwaukee 18V M18 Battery Use for Milwaukee M18 Cordless Power Tool (Adapter only) :