Two Packs 20V 6Ah Akku Lithium Battery for PAP 20 B3, PAP 20 A3 for Parkside X 20V Team Series Cordless Power Tools, Free Ship|Rechargeable Batteries| - AliExpress
Free STL file LM2596 Voltage regulator holder for PARKSIDE (LIDL) 20V battery adapter・3D print design to download・Cults
Teardown, Lidl 20V 2AH Lithium battery pack and charger.