Selling my charger because I ended the project for now
Please see my listing here for price and details: https://www.ebay-kleinanzeigen.de/s-anzeige/25a-13s-48v-54-6v-ladegeraet-e-bike-e-foil-akku-lipo-liion-18650/1584001678-249-18262
Maybe use google translate ion the text… 
Paypal possible