The starter motor works well and the car sounds alert except that it does not start

for sale in the community and with my own groups,
Ping G15 Sale

The starter motor works well and the car sounds alert except that it does not start,
Ping G25 Irons Sale, of course. We have two paralell 12V 95Ah batteries in order to assure ourselves that there is power on the battery. Even tried a little tap on the petrol pump to no avail.