Send the following on WhatsApp
Continue to ChatAkku https://www.haeussler.name/blogs/hobby/c-control/c-control-als-luftersteuerung-akku-wachter/attachment/dscn5286/
Akku https://www.haeussler.name/blogs/hobby/c-control/c-control-als-luftersteuerung-akku-wachter/attachment/dscn5286/