Battery charging malfunction

The saga continues: Drove to holiday in dorset about 220 miles no issues, car behaving as expected. 3 days into holiday driving along coast about 11 miles got Battery Management System Failure plus:
iEloop system malfunction
iStop system malfunction
LDWS malfunction
SCBS malfunction.
Stopped car onboard system registered the above faults. Switched engine off re-started no faults showing. Drove back to holiday apartment no warnings no issues. Few days later drove home 220 miles about 3 hours driving no issues car drove perfectly. Done about 50 miles since mostly town driving no issues. Any ideas Software refresh maybe bit concerned this may be the strart of something serious. Any suggestions much appreciated.