Thought some might be interested in one of these. Car charger for the old Sonys with the round charging port. For $3 I ordered one.
https://www.ebay.com/itm/Sony-PRSA-C...wAAOSwrFtaFZBJ
https://www.ebay.com/itm/Sony-PRSA-C...wAAOSwrFtaFZBJ