Parkside battery to Ryobi adapter by lukx - Thingiverse
This is my upgraded version. New design, fully connected with base. Clip is little wider for better fit. Sandpaper maybe needed.
parkside x20 battery to einhell 18v powerx by 3D Models to Print - yeggi - page 17
x 20v 3D Models to Print - yeggi - page 24
Battery Adapter milwaukee to parkside by Piroson - Thingiverse
parkside akku adapter by 3D Models to Print - yeggi - page 13
parkside battery adapter 20v 3D Models to Print - yeggi - page 10
Universal Parkside X20v battery adapter by BaronPork - Thingiverse
Parkside X20V Team Battery Adapter for Ryobi One
Universal Parkside X20v battery adapter by BaronPork - Thingiverse
parkside battery adapter 20v 3D Models to Print - yeggi - page 10
Lidl Parkside X20V Team Battery Adapter by Knuspel - Thingiverse
parkside battery adapter 3D Models to Print - yeggi - page 11