Ford Repair Questions? Ask a Mechanic for Answers ASAP
Also how old is the battery? – As even good quality ones need replacing every 5 years and faulty battery just won’t hold a charge
if this is OK I'd check the current drain aspect, the best way to find what circuit is causing the excessive currant drain is to fit a current sensing multimeter in series with the positive battery lead on the car and the battery, or use a current clamp meter on the battery positive cable.