Find out if it is the correct battery for the e-Golf. If doesn’t drive, then you might as well buy a new battery and see what happens as I suspect towing will cost a lot. Get OBD eleven and check for fault codes.
2017 e-Golf LE, Multi Coat White with Black Vegan Leather interior, purchased in early 2018
2015 e-Golf SEL leased for three years, returned in early 2018