Can I use power tool battery packs like this to power ESP32 projects which are usually 3v -5v and may I also ask how you would go about doing so? Could these
Parkside battery, charger & 3D printed adapters - YouTube
Parkside 20V Cordless Battery 2Ah PAP 20 A1 for Parkside Hedge Scissors PHSA 20-Li A1 4035485019069 | eBay
3packs 20v 2500mah Lithium-ion Akku For Parkside X 20v Team Series Cordless Power Tools For Pap 20 A1, Pap 20 B1, Paps 204 A1 - Rechargeable Batteries - AliExpress
For BOSCH 18V Lithium-ion Battery Adapter To Lidl Parkside 20V Power Tools Converter (Not include tools and battery) - AliExpress